Re: [openstack-dev] [neutron] neutron ipv6 radvd sends out link-local or nothing as def gw (L3 HA issue?)

2018-08-20 Thread Assaf Muller
On Mon, Aug 20, 2018 at 6:06 AM, Tobias Urdin wrote: > When I removed those ips and set accept_ra to 0 on the backup router: > > ip netns exec qrouter-0775785e-a93a-4501-917b-be92ff03f36a sysctl -w > net.ipv6.conf.qr-7fad6b1b-c9.accept_ra=0 > ip netns exec

Re: [openstack-dev] [neutron] neutron ipv6 radvd sends out link-local or nothing as def gw (L3 HA issue?)

2018-08-20 Thread Tobias Urdin
When I removed those ips and set accept_ra to 0 on the backup router: ip netns exec qrouter-0775785e-a93a-4501-917b-be92ff03f36a sysctl -w net.ipv6.conf.qr-7fad6b1b-c9.accept_ra=0 ip netns exec qrouter-0775785e-a93a-4501-917b-be92ff03f36a sysctl -w net.ipv6.conf.qr-5be04815-68.accept_ra=0 ip

Re: [openstack-dev] [neutron] neutron ipv6 radvd sends out link-local or nothing as def gw (L3 HA issue?)

2018-08-20 Thread Tobias Urdin
Continuing forward, these patches should've fixed that https://review.openstack.org/#/q/topic:bug/1667756+(status:open+OR+status:merged) I'm on Queens. The two inside interfaces on the backup router: [root@controller2 ~]# ip netns exec qrouter-0775785e-a93a-4501-917b-be92ff03f36a cat

Re: [openstack-dev] [neutron] neutron ipv6 radvd sends out link-local or nothing as def gw (L3 HA issue?)

2018-08-20 Thread Tobias Urdin
Ok, so the issue here seems to be that I have a L3 HA router with SLAAC, both the active and standby router will configure the SLAAC obtained address causing a conflict since both side share the same MAC address. Is there any workaround for this? Should SLAAC even be enabled for interfaces on

[openstack-dev] [neutron] neutron ipv6 radvd sends out link-local or nothing as def gw (L3 HA issue?)

2018-08-20 Thread Tobias Urdin
Forgot [neutron] tag. On 08/20/2018 11:36 AM, Tobias Urdin wrote: Hello, Note: before reading, this router was a regular router but was then disable, changed ha=true so it's now a L3 HA router, then it was enabled again. CC openstack-dev for help or feedback if it's a possible bug. I've