[Openstack] changing MTU setting not working
satish.txt at gmail.com
Thu Nov 10 17:23:18 UTC 2016
figure out.. just need to restart neutron-server and you have to
delete existing network and re-create new network to get those change.
How to change MTU on existing network-subnet ?
On Thu, Nov 10, 2016 at 12:20 PM, kamalakannan sanjeevan
<chirukamalakannan at gmail.com> wrote:
> You can try restarting all Nova and neutron services.
> On 10-Nov-2016 10:44 pm, "Satish Patel" <satish.txt at gmail.com> wrote:
>> We have multi-node cluster and i am trying to change MTU setting of
>> qrouter but it doesn't working.
>> default MTU setting on neutron router interface is 1450 MTU i want to
>> change to 1500
>> [root at controller neutron(keystone_admin)]# ip netns exec
>> qrouter-b17c9641-27f7-4328-82b0-c3132cccdcf1 ifconfig | grep mtu
>> qr-edb341ca-ac: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1450
>> I have changed following file
>> neutron.conf -> global_physnet_mtu = 1550
>> ml2_conf.ini -> path_mtu = 1550
>> and restarted following services
>> systemctl restart neutron-openvswitch-agent
>> systemctl restart neutron-l3-agent.service
>> systemctl restart neutron-server.service
>> Now i am creating new router and attaching subnet but still its using
>> 1450 MTU what is the solution for it? do i need to reboot BOX??
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