[c-nsp] Class-map and match-any - order of operations

Rodney Dunn rodunn at cisco.com
Fri Dec 9 08:52:56 EST 2005


On Fri, Dec 09, 2005 at 12:39:07PM +0800, Brett Looney wrote:
> Greets,
> 
> Imagine I have this:
> 
> 	class-map match-any foo
> 	  match protocol <something>
> 	  match protocol <something else>
> 	  match address name AccessList
> 
> Will the router process the match lines in order? Or will it just 
> pick the match lines randomly until it gets a match or it runs out of 
> lines to try?

In order.

> 
> I realise that this is a somewhat frivolous question as with 
> match-any it doesn't matter which line causes traffic to be 
> classified this way but from a troubleshooting point of view it would 
> be handy to know...
> 
> For the record, I have an issue with the Citrix PDLM where traffic 
> from the citrix servers is not matching at all against any of the ICA 
> tags but it will match against a final access list that checks for 
> packets on port 1494. Yes, I am running the latest Citrix PDLM (the 
> one that hasn't changed in almost exactly a year).
> 
> For kicks, I'm running 12.2(17d) on a 7206VXR but this really is a 
> general question. And just for laughs - does this changes on 
> different IOS revs?

No it should not.


> 
> TIA!
> 
> B.
> 
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