Bird v3 BGP route selection

[Nigel Kukard]

Hi there,

I'm wondering if someone can point out how the best path is being 
selected below in Bird 3.0.1?

In Bird v2 the route via 100.201.0.2 was selected. With the exact same 
configuration in Bird v3, the route via 100.201.0.4 is being selected.

In this case R1 is connected to R2. Both with the same ASN. The below 
table is the table I have facing R2.

In terms of my routing tables...
- originate4 =exports to=> bgp4
- static4 =exports to=> master4
- master4 <=exports/imports=> bgp4
- bgp4 <=exports/imports=> t_bgp4_AS65000_r2_peer (below)


1007-Table t_bgp4_AS65000_r2_peer:
  0.0.0.0/0            unicast [bgp_originate4 2025-02-24 23:21:13] * (200)
        via 100.201.0.4 on eth2
  1012- preference: 200
        source: static
        bgp_local_pref: 930
        bgp_large_community: (65000, 3, 1)
  1008- Internal route handling values: 0L 24G 0S id 1
  1007-                     unicast [static4 2025-02-24 23:21:13] (200)
        via 100.201.0.2 on eth2
  1012- preference: 200
        source: static
        bgp_local_pref: 940
        bgp_large_community: (65000, 3, 1) (65000, 5000, 1)
1008- Internal route handling values: 0L 22G 0S id 6


Kind Regards
Nigel

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