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https://forum.netgate.com/topic/157120/frr-0-6-7_6-bgp-won-t-start-without-route-map-ipv6-unicast?_=1601149473142

Above is my forum post.

As explained above. BGPd will not start unless all Networks to Distribute have valid Route Map defined.

But I am sharing IPv6 with BGPd and it seems that if I define a Route Map to the v6 networks BGPd will not redistribute the route.

https://forum.netgate.com/topic/157104/frr-0-6-7_6-bgp-ipv6-advertised-routes

I don't mind not defining a Route Map for IPv6 sharing but if the service will not start cleanly on a reboot that is a big problem.

To resolve the service not starting I navigate to pkg_edit.php?xml=frr/frr_bgp.xml and define a Route Map for the IPv6 networks to distribute and click save.

I then see the BGPd service is running and I have a valid IPv6 peer to my router but there will bo no advertised-routes showed when I issue this command to see the status of my peering via vtysh.

show bgp ipv6 neighbors 2606:0000:a120:5::13 advertised-routes

Now that the service is running if I go back to pkg_edit.php?xml=frr/frr_bgp.xml and remote the Route-Map defined for the IPv6 networks to distribute and click save the service will stay running and I will now see the advertised routes in vtysh.

I have recreated this on a second pfsense.
2.4.5-RELEASE-p1 (amd64)
frr 0.6.7_6

To recreate it yourself create and ipv6 peer in BGP and share a network from pfSense to your peer.