Link-local address change in Blackhole routing

[Maria Matejka]

Hello,

iirc setting bgp_next_hop to something new should discard the LL address altogether. (Sitting at a meeting, not checking.)

M


On 4 October 2024 12:41:24 CEST, ushiroz at ate-mahoroba.jp wrote:
>Hi
>
>I am aware that IPv4 next-hop / IPv6 next-hop global can be achieved by changing bgp_next_hop when Blackhole Community is applied.
>I believe that if we notify the next-hop of only global, the link-local in the FIB will remain the same as the peer's address even though the RIB has changed, resulting in unintended behavior, and I believe that the link-local address needs to be changed.
>
>Is it possible to change the link-local address in Bird?
>
>

-- 
Maria Matejka (she/her) | BIRD Team Leader | CZ.NIC, z.s.p.o.
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