From 91229152bdb9597646b5e9f807e3ccb6b29af00e Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Mon, 3 Mar 2025 13:40:15 +0100
Subject: [PATCH] feat: Set MTU size for TAP interface (#909)

---
 src/network.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/network.sh b/src/network.sh
index 96657aa..44d344b 100644
--- a/src/network.sh
+++ b/src/network.sh
@@ -59,6 +59,10 @@ configureDHCP() {
       fi ;;
   esac
 
+  if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
+    warn "Failed to set MTU size.."
+  fi
+
   while ! ip link set "$VM_NET_TAP" up; do
     info "Waiting for MAC address $VM_NET_MAC to become available..."
     sleep 2
@@ -214,6 +218,10 @@ configureNAT() {
     error "$tuntap" && return 1
   fi
 
+  if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
+    warn "Failed to set MTU size.."
+  fi
+
   GATEWAY_MAC=$(echo "$VM_NET_MAC" | rev)
   GATEWAY_MAC="02:${GATEWAY_MAC:0:14}"