As path for Junos

Fri Mar 7 19:47:06 UTC 2014

On 7 March 2014 19:44, Pedro Cavaca <pmsac.nanog at gmail.com> wrote:

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> On 7 March 2014 19:26, Michael Loftis <mloftis at wgops.com> wrote:
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>> 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
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>> 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
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>> - and I don't think Juniper has gone anywhere with that engineering
>> request.
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> Why wouldn't ".{3}" work, for this case?
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Or, to better align with the given Cisco example: ".* .{3} .*"

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>> On Fri, Mar 7, 2014 at 3:31 AM, Marco Paesani <marco at 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
>>
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>> --
>>
>> "Genius might be described as a supreme capacity for getting its
>> possessors
>> into trouble of all kinds."
>> -- Samuel Butler
>>
>>
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