[c-nsp] BGP Q

Brian Desmond brian at briandesmond.com
Tue Oct 24 14:14:43 EDT 2006


ip prefix-list TestList seq 5 permit 10.10.0.0/16 le 32

Something like that should work to get anything which is within that
/16. 


Thanks,
Brian Desmond
brian at briandesmond.com

c - 312.731.3132

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of fredrik.jacobsson at seb.se
> Sent: Tuesday, October 24, 2006 1:55 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] BGP Q
> 
> Hi!
> 
> Time for a newbie BGP question...
> 
> We like to have control over which networks that are announced to us,
> so we're using prefix-lists associated to the neighbors. This is a
> corporate
> network using BGP with private AS's. No internet and such.
> 
> All fine, but it's a bit too much administration with the exact
matches
> needed by the prefix-lists.
> Is there a way to allow all advertisements within for example
> 10.0.0.0/16 ?
> Meaning that I don't have to care about what's specifically announced?
> (aggregate-address on the other end is not an option)
> 
> So that they may add for example 10.0.20.0/24 to their list of a
> other /24's announced to us without any administration at my end...
> 
> Best regards
> /Fredrik
> 
> 
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