[169652] in North American Network Operators' Group
Re: As path for Junos
daemon@ATHENA.MIT.EDU (Michael Loftis)
Fri Mar 7 14:26:41 2014
In-Reply-To: <CAOAnmEgGzmOUsb=MHZAWYD=9UNimK=-YD4s=RDHsbaKGqSAoYw@mail.gmail.com>
Date: Fri, 7 Mar 2014 11:26:14 -0800
From: Michael Loftis <mloftis@wgops.com>
To: marco@paesani.it
Cc: nanog <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
http://www.juniper.net/techpubs/en_US/junos13.3/topics/usage-guidelines/policy-configuring-as-path-regular-expressions-to-use-as-routing-policy-match-conditions.html
There's no backref support in the regex subset that juniper has chosen
to implement, see
http://juniper.cluepon.net/index.php/ER_Detect_AS-PATH_prepends
- and I don't think Juniper has gone anywhere with that engineering request.
On Fri, Mar 7, 2014 at 3:31 AM, Marco Paesani <marco@paesani.it> wrote:
> Hi Everyone,
> I need a help to transform this Cisco IOS command:
>
> ip as-path access-list 50 permit _([0-9]+)_\1_\1_
>
> in Juniper JUNOS policy-options.
> Best regards,
> Marco
> M. +39 348 6019349
--
"Genius might be described as a supreme capacity for getting its possessors
into trouble of all kinds."
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