[j-nsp] AS-path regexp clue needed
kjwilki at gmail.com
Thu Jul 29 08:45:51 EDT 2010
Take a look here:
On 29 July 2010 14:18, Daniel Verlouw <daniel at bit.nl> wrote:
> can someone give me some clue on how to translate the following Cisco
> regexp to Junos ?
> ip as-path access-list 1 permit ^([0-9]+)(_\1)*$
> (this uses pattern recall to match AS paths whose first AS number in the
> path is repeated zero or more times; basically to make sure certain
> customers prepend their own AS number only).
> IOS-to-Junos translator is unable to parse this and JTAC, well, let's
> just say they don't seem to get it -at all-.
> Of course, I could write a regexp per customer, but obviously this
> doesn't scale very well.
> juniper-nsp mailing list juniper-nsp at puck.nether.net
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