[AusNOG] prefix visability

Mon Apr 30 13:04:09 EST 2012

nathan at bdr01:~$ show ip bgp 203.34.97.0
BGP routing table entry for 203.34.97.0/24
Paths: (4 available, best #2, table Default-IP-Routing-Table)
  Advertised to non peer-group peers:
  103.1.109.12 223.25.113.124
  10143 24115 38809 38817
    220.233.196.99 (metric 20) from 223.25.112.5 (223.25.112.5)
      Origin IGP, localpref 150, valid, internal
      Community: 55707:10143
      Last update: Fri Apr 27 02:38:19 2012

  24115 38809 38817
    202.167.228.37 (metric 20) from 223.25.112.7 (223.25.112.7)
      Origin IGP, localpref 210, valid, internal, best
      Community: 55707:24115
      Last update: Wed Apr 25 16:06:59 2012

  4826 4826 24115 38809 38817
    114.31.200.229 from 114.31.200.229 (114.31.192.3)
      Origin IGP, localpref 150, valid, external
      Community: 4826:5203 4826:6500
      Last update: Tue Apr 24 16:48:36 2012

  9942 7545 24115 24115 38809 38817
    125.254.43.9 from 125.254.43.9 (203.194.27.161)
      Origin IGP, localpref 150, valid, external
      Community: 55707:9942
      Last update: Thu Apr 26 16:28:48 2012

-----Original Message-----
From: ausnog-bounces at lists.ausnog.net
[mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Matthew Zobel
Sent: Monday, 30 April 2012 10:16 AM
To: ausnog at ausnog.net
Subject: [AusNOG] prefix visability

Hi List,
           Is anyone able to see 203.34.97.0/24 via any path other than
38809?

Example looking glass:

Router: Internode
Command: show ip bgp 203.34.97.0
BGP routing table entry for 203.34.97.0/24
Paths: (1 available, best #1, table Default-IP-Routing-Table)
  Not advertised to any peer
  4739 703 38809 38817
    150.101.197.127 from 150.101.197.127 (150.101.197.127)
      Origin IGP, localpref 100, valid, external, best
      Community: 4806:99 (Received in unknown location)
      Last update: Thu Apr 26 13:25:25 2012

There "should" be some alternate paths.

I can see an alternate path on PIPE Peering:

Router: Melbourne IX (AS23745)
Command: show ip bgp 203.34.97.0
BGP routing table entry for 203.34.97.0/24, version 0
Paths: (1 available, no best path)
  Not advertised to any peer
  10143 38817, (received-only)
    218.100.13.46 from 218.100.13.46 (58.96.2.79)
      Origin IGP, localpref 100, valid, external

Regards,

Matt
_______________________________________________
AusNOG mailing list
AusNOG at lists.ausnog.net
http://lists.ausnog.net/mailman/listinfo/ausnog