[pve-devel] [PATCH] pve-bridge : use mtu of the bridge for tap interface
Alexandre Derumier
aderumier at odiso.com
Fri Sep 28 10:58:26 CEST 2012
currently if the bridge have a mtu of 9000, when putting a tap interface on it (mtu 1500 by default),
the mtu of the bridge goes to 1500.
we want that the mtu of the tap interface equal the mtu of the bridge
correcting bug:
https://bugzilla.proxmox.com/show_bug.cgi?id=258
Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
pve-bridge | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/pve-bridge b/pve-bridge
index 2054705..f63be85 100755
--- a/pve-bridge
+++ b/pve-bridge
@@ -28,7 +28,9 @@ die "unable to parse network config '$netid'\n" if !$net;
my $bridge = $net->{bridge};
die "unable to get bridge setting\n" if !$bridge;
-system ("/sbin/ifconfig $iface 0.0.0.0 promisc up") == 0 ||
+my $bridgemtu = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/mtu");
+
+system ("/sbin/ifconfig $iface 0.0.0.0 promisc up mtu $bridgemtu") == 0 ||
die "interface activation failed\n";
if ($net->{rate}) {
--
1.7.10
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