North American Network Operators Group
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Re: PSI/Digex announcements

  • From: Deepak Jain
  • Date: Fri Nov 12 02:18:27 1999 
Generally speaking, networks don't filter their announcements to their 
own customers, or even in their core, except by special need.

Deepak Jain
AiNET

On Thu, 11 Nov 1999, Joe Shaw wrote:

> 
> 
> I have a non peering T1 to PSI for VPN customers.  While troubleshooting
> some problems for one of those VPN customers I came across these:
> 
> HOUSTON_BR1#show ip bgp regex ^174$
> 
>    Network            Next Hop            Metric LocPrf Weight Path
> *> 12.15.224.192/27   38.7.128.1                           200 174 i
> *> 154.32.255.0/30    38.7.128.1                           200 174 i
> *> 192.245.179.248/30 38.7.128.1                           200 174 i
> *> 198.17.203.0/25    38.7.128.1                           200 174 i
> *> 198.137.240.32/27  38.7.128.1                           200 174 i 
> *> 198.207.208.192/27 38.7.128.1                           200 174 iA
> *> 204.4.196.32/27    38.7.128.1                           200 174 i
> *> 204.4.196.64/27    38.7.128.1                           200 174 i
> *> 204.4.196.96/27    38.7.128.1                           200 174 i
> *> 204.68.218.0/27    38.7.128.1                           200 174 i
> *> 204.180.67.160/27  38.7.128.1                           200 174 i
> *> 206.181.125.188/30 38.7.128.1               0           200 174 i
> *> 206.119.241.96/27  38.7.128.1                           200 174 i
> *> 207.37.154.120/29  38.7.128.1                           200 174 i
> *> 207.138.126.128/27 38.7.128.1                           200 174 i
> 
> Isn't it considered "bad" to be announcing nets that small, especially the
> /30's?
> 
> --
> Joseph W. Shaw - [email protected]    
> Free UNIX advocate - "I hack, therefore I am."
> 
> 
>