This is gonna hurt the os , but for this , you will need to change these parms inside the neutron db. Which , for me at least, was asked to avoid at maximum.
On Nov 11, 2016 12:07 AM, "Satish Patel" <satish....@gmail.com> wrote: > In that doc it's not showing how to change MTU of existing created > subnets. currently i am doing following on each veth pair but its not > permanent, so how do i make it permanent across reboot > > ip netns exec qrouter-0363480e-01d7-4557-a3b9-e49244aa6a98 ifconfig > qr-9284543e-58 mtu 1500 > > Is there any way or API so we can change this value in subnet > > [root@controller-5-1 neutron(keystone_admin)]# neutron net-show > d9d691c2-ec91-48a1-9813-e472af249dae | grep mtu > | mtu | 1450 | > [root@ostack-controller-5-1 neutron(keystone_admin)]# > > On Thu, Nov 10, 2016 at 12:35 PM, Rick Jones <rick.jon...@hpe.com> wrote: > > On 11/10/2016 09:23 AM, Satish Patel wrote: > >> > >> 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 ? > > > > > > You would likely have to find all the virtual interfaces for it and alter > > them manually on the compute/network nodes. > > > > The HPE Helion docs on changing MTU, while describing some things > specific > > to HPE Helion, does include the caveat about existing networks not being > > altered: > > > > https://docs.hpcloud.com/hos-3.x/#helion/networking/configure_mtu.html > > > > rick jones > > > > > > > > _______________________________________________ > > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > > Post to : openstack@lists.openstack.org > > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack >
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