Building the Class-Map

From: James Matrisciano (jmatrisciano@kenttech.com)
Date: Fri Apr 15 2005 - 12:13:33 GMT-3


Question to any QoS Gurus out there. While working in the various labs
in preparation for my (next) Lab attempt, I see different ways of
building qos policies to match on DSCP values and Precedence values.
Below are two separate class-maps that to me do the same thing. Would
anyone disagree with this and if so, why? I want to be able to produce
a best practice solution in the lab, however, I want to do it the
quickest way possible. To me, simple match commands in the class-map
seem to work a lot quicker than building an extended access list, then
applying that list into the class-map. Comments?

class-map match-all with_access_list
  match access-group name qos

ip access-list extended qos
 permit ip any any dscp 45
 permit ip any any precedence network

class-map match-all qos
  match ip precedence 7
  match ip dscp 45
!

jm



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