From cf6dd8a31dfc2c4f69ccb8104ce4358300d7b8bc Mon Sep 17 00:00:00 2001 From: Alexandre Derumier Date: Tue, 11 Apr 2023 14:44:48 +0200 Subject: [PATCH] fix #4457: use bridge mtu if no mtu is defined Signed-off-by: Alexandre Derumier --- src/PVE/LXC.pm | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm index e582a94..92c1b60 100644 --- a/src/PVE/LXC.pm +++ b/src/PVE/LXC.pm @@ -733,14 +733,14 @@ sub update_lxc_config { $raw .= "lxc.net.$ind.hwaddr = $d->{hwaddr}\n" if defined($d->{hwaddr}); $raw .= "lxc.net.$ind.name = $d->{name}\n" if defined($d->{name}); + my $bridge_mtu = PVE::Network::read_bridge_mtu($d->{bridge}); + my $mtu = $d->{mtu} || $bridge_mtu; + # Keep container from starting with invalid mtu configuration - if (my $mtu = $d->{mtu}) { - my $bridge_mtu = PVE::Network::read_bridge_mtu($d->{bridge}); - die "$k: MTU size '$mtu' is bigger than bridge MTU '$bridge_mtu'\n" - if ($mtu > $bridge_mtu); + die "$k: MTU size '$mtu' is bigger than bridge MTU '$bridge_mtu'\n" + if ($mtu > $bridge_mtu); - $raw .= "lxc.net.$ind.mtu = $mtu\n"; - } + $raw .= "lxc.net.$ind.mtu = $mtu\n"; # Starting with lxc 4.0, we do not patch lxc to execute our up-scripts. if ($lxc_major >= 4) { -- 2.39.5