[AusNOG] Pipe Brisbane Peering Exchange traffic dropoff

Thu Nov 12 13:48:37 EST 2009

This maybe considered showing off but:

bdr1.adl6> sh ip bgp 125.252.232.0/21
BGP routing table entry for 125.252.232.0/21, version 174316524
Paths: (1 available, best #1)
  Not advertised to any peer
  4788
    203.16.211.193 (metric 115) from 203.16.211.193 (203.16.211.193)
      Origin IGP, metric 3, localpref 200, valid, internal, best
      Community: 4739:2111

traceroute to 125.252.235.51 (125.252.235.51), 30 hops max, 40 byte packets
 1  vl15.cor3.adl2.internode.on.net (203.16.215.62)  0.443 ms  0.327 ms  0.285 ms
 2  gi5-3.bdr1.adl6.internode.on.net (150.101.225.109)  77.704 ms  77.794 ms  77.648 ms
 3  pos3-1.cor1.per1.internode.on.net (150.101.199.238)  78.762 ms  77.771 ms  80.416 ms
 4  pos1-0.bdr1.sin1.internode.on.net (203.16.211.201)  79.905 ms  79.785 ms  79.789 ms
 5  p4788.sgw.equinix.com (202.79.197.15)  79.725 ms  77.749 ms  78.226 ms
 6  58.27.106.225 (58.27.106.225)  87.663 ms  85.877 ms  86.953 ms

MMC

On 12/11/2009, at 1:14 PM, Nathan Brookfield wrote:

> That IP address I certainly don’t see via Peering L Strange that when I resolve download3.vmware.com we get a different IP which ‘is’ advertised locally.
>  
> BGP routing table entry for 125.252.232.0/21
> Paths: (2 available, best #1, table Default-IP-Routing-Table)
>   Advertised to non peer-group peers:
>   202.130.32.2 202.130.33.1
>   9482 4826 3356 4788
>     202.62.142.81 from 202.62.142.81 (122.252.3.226)
>       Origin IGP, localpref 150, valid, external, best
>       Last update: Mon Nov  9 16:52:26 2009
>  
>   18104 17486 17486 17486 17486 1221 4637 4788
>     125.168.255.233 from 125.168.255.233 (125.168.64.1)
>       Origin IGP, metric 0, localpref 150, valid, external
>       Last update: Mon Nov  9 05:34:25 2009

-- 
Matthew Moyle-Croft
Peering Manager and Team Lead - Commercial and DSLAMs
Internode /Agile
Level 5, 162 Grenfell Street, Adelaide, SA 5000 Australia
Email: mmc at internode.com.au    Web: http://www.on.net
Direct: +61-8-8228-2909		     Mobile: +61-419-900-366
Reception: +61-8-8228-2999        Fax: +61-8-8235-6909

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