[c-nsp] community-list regexen

[Michael K. Smith]

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Well, the extended community list will do what you want, but the ranges 
will mean multiple entries.  We use this one to match anything in 
2000-2999.

ip community-list 100 permit <as>:2[0-9][0-9][0-9]_

Mike
- -- 
Michael K. Smith                        			mksmith at noanet.net
Senior Network and Systems Engineer    NoaNet
(206) 963-3679                         			 http://www.noanet.net

On May 6, 2005, at 7:31 AM, christian.macnevin at uk.bnpparibas.com wrote:

> Hm. Yeah, the difficult bit is that the ranges are more like 16384 - 
> 16639
> and 16640 – 16895..
>
>
>
>
> Internet
> Ian.MacKinnon at thus.net - 06/05/2005 15:25
>
>
> To:    Christian MACNEVIN, cisco-nsp
>
> cc:
>
>
> Subject:    RE: [c-nsp] community-list regexen
>
>
> Well a normal regexp would be something like [12][0-9][0-9]
> Ie 1 or 2 followed by 2 digits
> As to how to apply that to bgp, that's left as an exercise for the 
> reader
> :)
>
>> -----Original Message-----
>> From: christian.macnevin at uk.bnpparibas.com
>> [mailto:christian.macnevin at uk.bnpparibas.com]
>> Sent: 06 May 2005 15:21
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] community-list regexen
>>
>>
>> Hi,
>> I want to match against a range of possible community values, like
>> <asn>:100-200 and am feeling a bit thick. What is the exact syntax for
>> this? Is it even possible?
>> Cheers,
>> Christian
>>
>>
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