Duplicated routes received from Route Reflectors

Délsio Cabá delsio at gmail.com
Tue Feb 2 09:37:06 CET 2021


Dear

We have a installed 2 BIRD RR (10.200.2.125 and 10.200.2.124)  just
installed to use as reflectors on our network

We noticed the client is adding 2 entries to the routing table.

Is this normal?

Taking into consideration we do full global BGP is will be too much
memory wasted:

RR-CLIENT#show ip bgp 0.0.0.0
BGP routing table entry for 0.0.0.0/0, version 0
Paths: (2 available, no best path)
  Not advertised to any peer
  Refresh Epoch 1
  xxxx
    10.200.0.252 (inaccessible) from 10.200.2.125 (10.200.2.125)
      Origin IGP, metric 0, localpref 350, valid, internal
      Community: 2470515592
      Originator: 10.200.0.252, Cluster list: 10.200.2.125
      rx pathid: 0, tx pathid: 0
  Refresh Epoch 1
  xxxx
    10.200.0.252 (inaccessible) from 10.200.2.124 (10.200.2.124)
      Origin IGP, metric 0, localpref 350, valid, internal
      Community: 2470515592
      Originator: 10.200.0.252, Cluster list: 10.200.2.124
      rx pathid: 0, tx pathid: 0



2.125 config: https://pastebin.com/jUh0ZQ6h

2.124 config: https://pastebin.com/5dhx94db


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