[nsp] regexp question

David Flynn davidf at woaf.net
Tue Apr 6 11:25:06 EDT 2004


* David Curran (dm at nuvox.net) wrote:
> I've never used backreferences on a router but I know they can be processor
> and memory intensive on regular server hardware.  Have you ever used these
> on a production router (other than the one that crashed :-) ?

I have not for I've never had a routing policy that requires it.  I would
be asking myself questions if I were and looking for alternatives.

Something that may be of use is cisco's new regex engine implementation,
avaliable in 12.0(26)S and 12.2(22)S.

http://www.cisco.com/en/US/products/sw/iosswrel/ps1838/products_feature_guide09186a0080208af9.html

..david


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