[AusNOG] prefix visability

[Brad Gould]

Being advertised to an IX does not guarantee global visibility.

The Pipe IX supplies peering, not transit.

Brad



On 30/04/2012 9:50 AM, Nicholas Meredith wrote:
> I'm only seeing it via 38809, I think that's all you'll find:
>
> http://bgp.he.net/AS38817
>
> -nick
>
>
> On Mon, Apr 30, 2012 at 10:15 AM, Matthew Zobel <matthew.zobel at gmail.com
> <mailto:matthew.zobel at gmail.com>> wrote:
>
>     Hi List,
>     Is anyone able to see 203.34.97.0/24 <http://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 <http://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 <http://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
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>
>
>
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-- 
Brad Gould, Network Engineer
Internode
PO Box 284, Rundle Mall 5000
Level 5, 150 Grenfell Street, Adelaide 5000
P: 08 8228 2999  F: 08 8235 6999
bradley at internode.com.au; http://www.internode.on.net/