Here is the accept_ra setting on the back controllers...
[root@overcloud-controller-1 ~]# ip netns exec qrouter-b65e3bdc-390e-48b7-9cd9-fca429dafb45 bash [root@overcloud-controller-1 ~]# cat /proc/sys/net/ipv6/ anycast_src_echo_reply conf/ ip6frag_high_thresh ip6frag_time neigh/ xfrm6_gc_thresh bindv6only icmp/ ip6frag_low_thresh ip_nonlocal_bind route/ [root@overcloud-controller-1 ~]# cat /proc/sys/net/ipv6/conf/ all/ default/ ha-bce4b526-c4/ lo/ qg-3f327e61-8b/ qr-1656d4d1-2c/ [root@overcloud-controller-1 ~]# cat /proc/sys/net/ipv6/conf/qg-3f327e61-8b/accept_ra 2
Here is the accept_ra setting on the back controllers...
[root@overcloud -controller- 1 ~]# ip netns exec qrouter- b65e3bdc- 390e-48b7- 9cd9-fca429dafb 45 bash -controller- 1 ~]# cat /proc/sys/net/ipv6/ src_echo_ reply conf/ ip6frag_high_thresh ip6frag_time neigh/ xfrm6_gc_thresh -controller- 1 ~]# cat /proc/sys/ net/ipv6/ conf/ -controller- 1 ~]# cat /proc/sys/ net/ipv6/ conf/qg- 3f327e61- 8b/accept_ ra
[root@overcloud
anycast_
bindv6only icmp/ ip6frag_low_thresh ip_nonlocal_bind route/
[root@overcloud
all/ default/ ha-bce4b526-c4/ lo/ qg-3f327e61-8b/ qr-1656d4d1-2c/
[root@overcloud
2