Link local vs global v6 next hop for BGP rotuer

Mazur, Dariusz dmazur at akamai.com
Mon Sep 19 15:23:28 CEST 2022


Hello,
In my setup I have iBGP session with peer , and I learn v6 route. It is iBGP so we have 2 next hops global and link-local. By default bird uses link-local when route is exported to kernel. Is there any command to change this behavior and use global v6 address as BGP next hop when we export routes to kernel ?


Table master6:
fc00:2001:100:12::/64 unicast [2001:4878:c225::1:3:2__r02.ien.labkrk01.sdn 12:57:29.076] * (100) [i]
                via 2001:4878:c225::1:3:2 on eth-1\1\4
                Type: BGP univ
                BGP.origin: IGP
                BGP.as_path:
                BGP.next_hop: 2001:4878:c225::1:3:2 fe80::1:3:2
                BGP.local_pref: 400
                BGP.community: (20940,550)

Thanks,
Dariusz
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