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Hi Kuryr team,

I open an issue in docker-libnetwork:
https://github.com/docker/libnetwork/issues/1390

Appreciate for any idea or comments. Thanks.

Regards,
Liping Mao


On 16/8/12 下午4:08, "Liping Mao (limao)" <limao at cisco.com> wrote:

>Hi Kuryr team,
>
>When the network in neutron using overlay for vm,
>it will use dhcp option to control the VM interface MTU,
>but for docker, the ip address does not get from dhcp.
>So it will not set up proper MTU in container.
>
>Two work-around in my mind now:
>1. Set the default MTU in docker to 1450 or less.
>2. Manually configure MTU after container start up.
>
>But both of these are not good, the idea way in my mind
>is when libnetwork Call remote driver create network,
>kuryr create neutron network, then return Proper MTU to libnetwork,
>docker use this MTU for this network. But docker remote driver
>does not support this.
>
>Or maybe let user config MTU in remote driver,
>a little similar with overlay driver:
>https://github.com/docker/libnetwork/pull/1349
>
>But now, seems like remote driver will not do similar things.
>
>Any idea to solve this problem? Thanks.
>
>
>Regards,
>Liping Mao
>
>
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