From a84c54d3cc28c6fae840c7435d7e5f602ec52a2a Mon Sep 17 00:00:00 2001
From: tteckster <tteckster@gmail.com>
Date: Thu, 12 Jan 2023 13:33:22 -0500
Subject: [PATCH] Option to set MTU size (#930)

* option to change mtu value
---
 ct/adguard-v5.sh              | 15 ++++++++++++++-
 ct/alpine-v5.sh               | 15 ++++++++++++++-
 ct/archlinux-v5.sh            | 15 ++++++++++++++-
 ct/blocky-v5.sh               | 15 ++++++++++++++-
 ct/casaos-v5.sh               | 15 ++++++++++++++-
 ct/changedetection-v5.sh      | 15 ++++++++++++++-
 ct/cronicle-v5.sh             | 15 ++++++++++++++-
 ct/daemonsync-v5.sh           | 15 ++++++++++++++-
 ct/dashy-v5.sh                | 15 ++++++++++++++-
 ct/debian-v5.sh               | 15 ++++++++++++++-
 ct/deconz-v5.sh               | 15 ++++++++++++++-
 ct/docker-v5.sh               | 15 ++++++++++++++-
 ct/emby-v5.sh                 | 15 ++++++++++++++-
 ct/emqx-v5.sh                 | 15 ++++++++++++++-
 ct/esphome-v5.sh              | 15 ++++++++++++++-
 ct/grafana-v5.sh              | 15 ++++++++++++++-
 ct/grocy-v5.sh                | 15 ++++++++++++++-
 ct/heimdalldashboard-v5.sh    | 15 ++++++++++++++-
 ct/homeassistant-core-v5.sh   | 15 ++++++++++++++-
 ct/homeassistant-v5.sh        | 15 ++++++++++++++-
 ct/homebridge-v5.sh           | 15 ++++++++++++++-
 ct/homepage-v5.sh             | 15 ++++++++++++++-
 ct/hyperion-v5.sh             | 15 ++++++++++++++-
 ct/influxdb-v5.sh             | 15 ++++++++++++++-
 ct/iobroker-v5.sh             | 15 ++++++++++++++-
 ct/jellyfin-v5.sh             | 15 ++++++++++++++-
 ct/k0s-v5.sh                  | 15 ++++++++++++++-
 ct/keycloak-v5.sh             | 15 ++++++++++++++-
 ct/magicmirror-v5.sh          | 15 ++++++++++++++-
 ct/mariadb-v5.sh              | 15 ++++++++++++++-
 ct/meshcentral-v5.sh          | 15 ++++++++++++++-
 ct/motioneye-v5.sh            | 15 ++++++++++++++-
 ct/mqtt-v5.sh                 | 15 ++++++++++++++-
 ct/n8n-v5.sh                  | 15 ++++++++++++++-
 ct/navidrome-v5.sh            | 15 ++++++++++++++-
 ct/nextcloudpi-v5.sh          | 15 ++++++++++++++-
 ct/nginxproxymanager-v5.sh    | 15 ++++++++++++++-
 ct/nocodb-v5.sh               | 15 ++++++++++++++-
 ct/node-red-v5.sh             | 15 ++++++++++++++-
 ct/omada-v5.sh                | 15 ++++++++++++++-
 ct/omv-v5.sh                  | 15 ++++++++++++++-
 ct/openhab-v5.sh              | 15 ++++++++++++++-
 ct/paperless-ngx-v5.sh        | 15 ++++++++++++++-
 ct/photoprism-v5.sh           | 15 ++++++++++++++-
 ct/pihole-v5.sh               | 15 ++++++++++++++-
 ct/plex-v5.sh                 | 15 ++++++++++++++-
 ct/podman-homeassistant-v5.sh | 15 ++++++++++++++-
 ct/podman-v5.sh               | 15 ++++++++++++++-
 ct/postgresql-v5.sh           | 15 ++++++++++++++-
 ct/prometheus-v5.sh           | 15 ++++++++++++++-
 ct/scrypted-v5.sh             | 15 ++++++++++++++-
 ct/shinobi-v5.sh              | 15 ++++++++++++++-
 ct/syncthing-v5.sh            | 15 ++++++++++++++-
 ct/technitiumdns-v5.sh        | 15 ++++++++++++++-
 ct/trilium-v5.sh              | 15 ++++++++++++++-
 ct/ubuntu-v5.sh               | 15 ++++++++++++++-
 ct/umbrel-v5.sh               | 15 ++++++++++++++-
 ct/unifi-v5.sh                | 15 ++++++++++++++-
 ct/uptimekuma-v5.sh           | 15 ++++++++++++++-
 ct/vaultwarden-v5.sh          | 15 ++++++++++++++-
 ct/whoogle-v5.sh              | 15 ++++++++++++++-
 ct/wikijs-v5.sh               | 15 ++++++++++++++-
 ct/wireguard-v5.sh            | 15 ++++++++++++++-
 ct/yunohost-v5.sh             | 15 ++++++++++++++-
 ct/zigbee2mqtt-v5.sh          | 15 ++++++++++++++-
 ct/zwave-js-ui-v5.sh          | 15 ++++++++++++++-
 66 files changed, 924 insertions(+), 66 deletions(-)

diff --git a/ct/adguard-v5.sh b/ct/adguard-v5.sh
index 192530578..da147dfc8 100644
--- a/ct/adguard-v5.sh
+++ b/ct/adguard-v5.sh
@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -225,6 +227,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -358,7 +371,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/alpine-v5.sh b/ct/alpine-v5.sh
index e43b5c22d..db759dd5a 100644
--- a/ct/alpine-v5.sh
+++ b/ct/alpine-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -223,6 +225,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -337,7 +350,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/archlinux-v5.sh b/ct/archlinux-v5.sh
index c56f9b8a2..da561a1fc 100644
--- a/ct/archlinux-v5.sh
+++ b/ct/archlinux-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/blocky-v5.sh b/ct/blocky-v5.sh
index d460035c4..59d2c74d3 100644
--- a/ct/blocky-v5.sh
+++ b/ct/blocky-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/casaos-v5.sh b/ct/casaos-v5.sh
index 6540b4d1a..740930aa9 100644
--- a/ct/casaos-v5.sh
+++ b/ct/casaos-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -228,6 +230,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -351,7 +364,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/changedetection-v5.sh b/ct/changedetection-v5.sh
index 7facabc71..88aa85956 100644
--- a/ct/changedetection-v5.sh
+++ b/ct/changedetection-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/cronicle-v5.sh b/ct/cronicle-v5.sh
index 366f1a15c..f10caccb0 100644
--- a/ct/cronicle-v5.sh
+++ b/ct/cronicle-v5.sh
@@ -115,6 +115,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -224,6 +226,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -388,7 +401,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/daemonsync-v5.sh b/ct/daemonsync-v5.sh
index 9aeafa7a4..39305f4a3 100644
--- a/ct/daemonsync-v5.sh
+++ b/ct/daemonsync-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/dashy-v5.sh b/ct/dashy-v5.sh
index 68308c59d..eb18f3a72 100644
--- a/ct/dashy-v5.sh
+++ b/ct/dashy-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -367,7 +380,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/debian-v5.sh b/ct/debian-v5.sh
index d357e70ce..f4a146020 100644
--- a/ct/debian-v5.sh
+++ b/ct/debian-v5.sh
@@ -113,6 +113,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -222,6 +224,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -336,7 +349,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/deconz-v5.sh b/ct/deconz-v5.sh
index 96f6c164d..4a50fe38a 100644
--- a/ct/deconz-v5.sh
+++ b/ct/deconz-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/docker-v5.sh b/ct/docker-v5.sh
index 05a3e7d1b..c90ee4b05 100644
--- a/ct/docker-v5.sh
+++ b/ct/docker-v5.sh
@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -348,7 +361,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/emby-v5.sh b/ct/emby-v5.sh
index d437d570c..1c8f40310 100644
--- a/ct/emby-v5.sh
+++ b/ct/emby-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -235,6 +237,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -360,7 +373,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/emqx-v5.sh b/ct/emqx-v5.sh
index 1c7fd2d78..053de5a04 100644
--- a/ct/emqx-v5.sh
+++ b/ct/emqx-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/esphome-v5.sh b/ct/esphome-v5.sh
index 08853e263..647a05ca6 100644
--- a/ct/esphome-v5.sh
+++ b/ct/esphome-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -347,7 +360,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/grafana-v5.sh b/ct/grafana-v5.sh
index d8e30cfae..71c801d9a 100644
--- a/ct/grafana-v5.sh
+++ b/ct/grafana-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/grocy-v5.sh b/ct/grocy-v5.sh
index 4c968ca2a..1f45f8980 100644
--- a/ct/grocy-v5.sh
+++ b/ct/grocy-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/heimdalldashboard-v5.sh b/ct/heimdalldashboard-v5.sh
index 6105a6b5a..466269e57 100644
--- a/ct/heimdalldashboard-v5.sh
+++ b/ct/heimdalldashboard-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -420,7 +433,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/homeassistant-core-v5.sh b/ct/homeassistant-core-v5.sh
index 8008bf97f..46bf2b5fb 100644
--- a/ct/homeassistant-core-v5.sh
+++ b/ct/homeassistant-core-v5.sh
@@ -120,6 +120,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -230,6 +232,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -417,7 +430,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/homeassistant-v5.sh b/ct/homeassistant-v5.sh
index f2c189155..043eebb4a 100644
--- a/ct/homeassistant-v5.sh
+++ b/ct/homeassistant-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -230,6 +232,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -416,7 +429,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/homebridge-v5.sh b/ct/homebridge-v5.sh
index 3e8d27d18..f635f3d6a 100644
--- a/ct/homebridge-v5.sh
+++ b/ct/homebridge-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/homepage-v5.sh b/ct/homepage-v5.sh
index 08342af62..5e293376e 100644
--- a/ct/homepage-v5.sh
+++ b/ct/homepage-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -347,7 +360,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/hyperion-v5.sh b/ct/hyperion-v5.sh
index ea2db61ee..f2b83c820 100644
--- a/ct/hyperion-v5.sh
+++ b/ct/hyperion-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/influxdb-v5.sh b/ct/influxdb-v5.sh
index 0c854a397..18e5e1ef5 100644
--- a/ct/influxdb-v5.sh
+++ b/ct/influxdb-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/iobroker-v5.sh b/ct/iobroker-v5.sh
index f5e08b8e1..e58638280 100644
--- a/ct/iobroker-v5.sh
+++ b/ct/iobroker-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/jellyfin-v5.sh b/ct/jellyfin-v5.sh
index 1c500c187..91b007efa 100644
--- a/ct/jellyfin-v5.sh
+++ b/ct/jellyfin-v5.sh
@@ -120,6 +120,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -237,6 +239,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -350,7 +363,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/k0s-v5.sh b/ct/k0s-v5.sh
index 194d5d256..7a5785499 100644
--- a/ct/k0s-v5.sh
+++ b/ct/k0s-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/keycloak-v5.sh b/ct/keycloak-v5.sh
index 78dfca0a2..f23f1c324 100644
--- a/ct/keycloak-v5.sh
+++ b/ct/keycloak-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/magicmirror-v5.sh b/ct/magicmirror-v5.sh
index 74e32759d..199ded64e 100644
--- a/ct/magicmirror-v5.sh
+++ b/ct/magicmirror-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -343,7 +356,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/mariadb-v5.sh b/ct/mariadb-v5.sh
index 72d2af41d..82f7c71a7 100644
--- a/ct/mariadb-v5.sh
+++ b/ct/mariadb-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/meshcentral-v5.sh b/ct/meshcentral-v5.sh
index 6f83cd694..ac9500ffb 100644
--- a/ct/meshcentral-v5.sh
+++ b/ct/meshcentral-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/motioneye-v5.sh b/ct/motioneye-v5.sh
index 94b1d14a9..7d4fe34cd 100644
--- a/ct/motioneye-v5.sh
+++ b/ct/motioneye-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/mqtt-v5.sh b/ct/mqtt-v5.sh
index bff596050..707624b8e 100644
--- a/ct/mqtt-v5.sh
+++ b/ct/mqtt-v5.sh
@@ -115,6 +115,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -224,6 +226,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/n8n-v5.sh b/ct/n8n-v5.sh
index de9aef308..69437e2ad 100644
--- a/ct/n8n-v5.sh
+++ b/ct/n8n-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/navidrome-v5.sh b/ct/navidrome-v5.sh
index 53750da7c..beab09784 100644
--- a/ct/navidrome-v5.sh
+++ b/ct/navidrome-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -352,7 +365,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/nextcloudpi-v5.sh b/ct/nextcloudpi-v5.sh
index 511f39f84..a993d3bcf 100644
--- a/ct/nextcloudpi-v5.sh
+++ b/ct/nextcloudpi-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/nginxproxymanager-v5.sh b/ct/nginxproxymanager-v5.sh
index ccb6d2968..94954f7fe 100644
--- a/ct/nginxproxymanager-v5.sh
+++ b/ct/nginxproxymanager-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -450,7 +463,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/nocodb-v5.sh b/ct/nocodb-v5.sh
index 1b6510da0..1fd549745 100644
--- a/ct/nocodb-v5.sh
+++ b/ct/nocodb-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -344,7 +357,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/node-red-v5.sh b/ct/node-red-v5.sh
index 0a2073097..3743a71ac 100644
--- a/ct/node-red-v5.sh
+++ b/ct/node-red-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -377,7 +390,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/omada-v5.sh b/ct/omada-v5.sh
index ef01599ea..e6aa93bd9 100644
--- a/ct/omada-v5.sh
+++ b/ct/omada-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -235,6 +237,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -339,7 +352,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/omv-v5.sh b/ct/omv-v5.sh
index a9a5366af..e7ed0d627 100644
--- a/ct/omv-v5.sh
+++ b/ct/omv-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/openhab-v5.sh b/ct/openhab-v5.sh
index 033c762c4..401b85b73 100644
--- a/ct/openhab-v5.sh
+++ b/ct/openhab-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/paperless-ngx-v5.sh b/ct/paperless-ngx-v5.sh
index 9e6d1c248..411463c07 100644
--- a/ct/paperless-ngx-v5.sh
+++ b/ct/paperless-ngx-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -409,7 +422,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/photoprism-v5.sh b/ct/photoprism-v5.sh
index 5e5a99611..4691eb675 100644
--- a/ct/photoprism-v5.sh
+++ b/ct/photoprism-v5.sh
@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -225,6 +227,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -362,7 +375,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/pihole-v5.sh b/ct/pihole-v5.sh
index a153ed0f6..a6e3e22fb 100644
--- a/ct/pihole-v5.sh
+++ b/ct/pihole-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/plex-v5.sh b/ct/plex-v5.sh
index c6d04cf2a..537f8bf56 100644
--- a/ct/plex-v5.sh
+++ b/ct/plex-v5.sh
@@ -119,6 +119,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -236,6 +238,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -360,7 +373,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/podman-homeassistant-v5.sh b/ct/podman-homeassistant-v5.sh
index 43d158ecf..995ca428d 100644
--- a/ct/podman-homeassistant-v5.sh
+++ b/ct/podman-homeassistant-v5.sh
@@ -121,6 +121,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -230,6 +232,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -391,7 +404,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/podman-v5.sh b/ct/podman-v5.sh
index 9ce8f0d8d..326705439 100644
--- a/ct/podman-v5.sh
+++ b/ct/podman-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/postgresql-v5.sh b/ct/postgresql-v5.sh
index e1412d2f0..73bf41f58 100644
--- a/ct/postgresql-v5.sh
+++ b/ct/postgresql-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/prometheus-v5.sh b/ct/prometheus-v5.sh
index 490bd911b..8b46ddcfc 100644
--- a/ct/prometheus-v5.sh
+++ b/ct/prometheus-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/scrypted-v5.sh b/ct/scrypted-v5.sh
index 788759d70..1070f9010 100644
--- a/ct/scrypted-v5.sh
+++ b/ct/scrypted-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/shinobi-v5.sh b/ct/shinobi-v5.sh
index 94d0b2f88..4e3f1107e 100644
--- a/ct/shinobi-v5.sh
+++ b/ct/shinobi-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -235,6 +237,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -351,7 +364,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/syncthing-v5.sh b/ct/syncthing-v5.sh
index 892c06f18..4825b5ab4 100644
--- a/ct/syncthing-v5.sh
+++ b/ct/syncthing-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -342,7 +355,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/technitiumdns-v5.sh b/ct/technitiumdns-v5.sh
index 696fdd954..9e55abd1f 100644
--- a/ct/technitiumdns-v5.sh
+++ b/ct/technitiumdns-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -403,7 +416,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/trilium-v5.sh b/ct/trilium-v5.sh
index 54cbf7865..88cdc0176 100644
--- a/ct/trilium-v5.sh
+++ b/ct/trilium-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -360,7 +373,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/ubuntu-v5.sh b/ct/ubuntu-v5.sh
index 5433958eb..6fb92d13b 100644
--- a/ct/ubuntu-v5.sh
+++ b/ct/ubuntu-v5.sh
@@ -114,6 +114,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -231,6 +233,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -344,7 +357,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/umbrel-v5.sh b/ct/umbrel-v5.sh
index 047ec0771..9a2b7b0ee 100644
--- a/ct/umbrel-v5.sh
+++ b/ct/umbrel-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -228,6 +230,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -349,7 +362,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/unifi-v5.sh b/ct/unifi-v5.sh
index 025506142..d8f71fe21 100644
--- a/ct/unifi-v5.sh
+++ b/ct/unifi-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -341,7 +354,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/uptimekuma-v5.sh b/ct/uptimekuma-v5.sh
index a82870c4f..81f77d756 100644
--- a/ct/uptimekuma-v5.sh
+++ b/ct/uptimekuma-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -358,7 +371,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/vaultwarden-v5.sh b/ct/vaultwarden-v5.sh
index 0a6076726..650023228 100644
--- a/ct/vaultwarden-v5.sh
+++ b/ct/vaultwarden-v5.sh
@@ -116,6 +116,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -409,7 +422,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/whoogle-v5.sh b/ct/whoogle-v5.sh
index 08741c4c4..a92970eb8 100644
--- a/ct/whoogle-v5.sh
+++ b/ct/whoogle-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -340,7 +353,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/wikijs-v5.sh b/ct/wikijs-v5.sh
index c38f34d1b..a8785853a 100644
--- a/ct/wikijs-v5.sh
+++ b/ct/wikijs-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -354,7 +367,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/wireguard-v5.sh b/ct/wireguard-v5.sh
index 4d825bd5b..333635b5c 100644
--- a/ct/wireguard-v5.sh
+++ b/ct/wireguard-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -396,7 +409,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/yunohost-v5.sh b/ct/yunohost-v5.sh
index a1382e7fb..9a44f24e2 100644
--- a/ct/yunohost-v5.sh
+++ b/ct/yunohost-v5.sh
@@ -113,6 +113,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -222,6 +224,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -336,7 +349,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/zigbee2mqtt-v5.sh b/ct/zigbee2mqtt-v5.sh
index 5c8348f4c..1d4d9cc1f 100644
--- a/ct/zigbee2mqtt-v5.sh
+++ b/ct/zigbee2mqtt-v5.sh
@@ -118,6 +118,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -227,6 +229,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -371,7 +384,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE
diff --git a/ct/zwave-js-ui-v5.sh b/ct/zwave-js-ui-v5.sh
index 1b5fb451e..3b7394df4 100644
--- a/ct/zwave-js-ui-v5.sh
+++ b/ct/zwave-js-ui-v5.sh
@@ -117,6 +117,8 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using Interface MTU Size: ${BGN}Default${CL}"
+  MTU=""
   echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
   SD=""
   echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
@@ -226,6 +228,17 @@ function advanced_settings() {
       echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
     fi
   fi
+  MTU1=$(whiptail --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $MTU1 ]; then
+      MTU1="Default" MTU=""
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    else
+      MTU=",mtu=$MTU1"
+      echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
+    fi
+  fi
   SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
   exitstatus=$?
   if [ $exitstatus = 0 ]; then
@@ -354,7 +367,7 @@ export PCT_OPTIONS="
   -hostname $HN
   $SD
   $NS
-  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN
+  -net0 name=eth0,bridge=$BRG$MAC,ip=$NET$GATE$VLAN$MTU
   -onboot 1
   -cores $CORE_COUNT
   -memory $RAM_SIZE