From fc6ab8dfa7b7cb99e3b44994ebe76f9b637ec2c6 Mon Sep 17 00:00:00 2001
From: Wout Mertens <Wout.Mertens@gmail.com>
Date: Sun, 8 Apr 2018 08:46:42 +0200
Subject: [PATCH] google-compute-image: provide correct MTU

---
 nixos/modules/virtualisation/google-compute-image.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nixos/modules/virtualisation/google-compute-image.nix b/nixos/modules/virtualisation/google-compute-image.nix
index 559c30b9416..0b6bec786da 100644
--- a/nixos/modules/virtualisation/google-compute-image.nix
+++ b/nixos/modules/virtualisation/google-compute-image.nix
@@ -75,6 +75,9 @@ in
 
   networking.usePredictableInterfaceNames = false;
 
+  # GC has 1460 MTU
+  networking.interfaces.eth0.mtu = 1460;
+
   # allow the google-accounts-daemon to manage users
   users.mutableUsers = true;
   # and allow users to sudo without password