[alcatel-nsp] RES: Filtering BGP routes using Extended communities

[Pena, Hugo Roger Bernaola (Hugo Roger Bernaola)]

Kevin,

This example:

*A:T>config>router>policy-options# community "PE1_CE" members "target:65002|65003&."
*A:T>config>router>policy-options#

Cheers,
[cid:image001.jpg at 01CFEEEA.944FA800]
Hugo Roger Bernaola Pena
ALCATEL-LUCENT
CALA RBC - IPCC Consulting Engineer
AV. MARGINAL DIREITA ANCHIETA 400
Tel. : 55 11 2947-8956
Cel. : 55 11 98181-0358
hugo_roger_bernaola.pena at alcatel-lucent.com

De: alcatel-nsp [mailto:alcatel-nsp-bounces at puck.nether.net] Em nome de Kevin Billings
Enviada em: quinta-feira, 23 de outubro de 2014 17:31
Para: alcatel-nsp at puck.nether.net
Assunto: [alcatel-nsp] Filtering BGP routes using Extended communities

Hi all,

I have a community set for a customer that is in the format target:ASN:x x being a range from 1-151.  I need to setup a BGP export filter that will match all of the communities and only export these routes.  If I use standard communities ASN:x then I can use this format and it works:

community "CUST-EXPORT" members "^ASN:(.*)$"

This does not work for extended communities.

Does anyone know how to make this work for extended communities?  Reading the ALU docs I should be able to reg-ex for these types of communities, but have not been successful.

I have tried these formats but I get invalid format:
community "CUST-EXPORT" members target:"^ASN:(.*)$"
community "CUST-EXPORT" members target:"ASN:*"
community "CUST-EXPORT" members "target:ASN:*"


Thanks


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