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Add MTU to lxc conf to make host and container MTU match

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If you are using jumbo frames the host side of the veth was being set to
1500.  Docker would set the MTU of the container side of the veth to 9001.
This would lead to a situation in which the two sides of the veth had
different MTU sizes causing issues in network traffic.

Docker-DCO-1.1-Signed-off-by: Darren Shepherd <darren.s.shepherd@gmail.com> (github: ibuildthecloud)
This commit is contained in:
Darren Shepherd
2014-02-21 03:02:06 -07:00
parent 4f20538f73
commit 0db53bd2ec
1 changed files with 1 additions and 0 deletions
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execdriver/lxc/lxc_template.go
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@@ -12,6 +12,7 @@ const LxcTemplate = `
lxc.network.type = veth
lxc.network.link = {{.Network.Bridge}}
lxc.network.name = eth0
lxc.network.mtu = {{.Network.Mtu}}
{{else}}
# network is disabled (-n=false)
lxc.network.type = empty