[openstack-dev] [neutron] MTU native ovs firewall driver

Ajay Kalambur (akalambu) akalambu at cisco.com
Wed Sep 20 14:28:13 UTC 2017


Hi
i am using large mtu setting of 9000. with the hybrid firewall driver i see large mtu set on both tap devices and the linuxbridges
While i switch from ovs hybrid firewall driver to native ovs firewall driver i now see the tap device gets the default 1500 mtu
i have the right setting for mtu in global physnet mtu in neutron.conf and path mtu in ml2 conf
Do i need to do anything different to get large mtu working with native ovs firewall driver
Ajay





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