From: Scott M Vermillion (scott_ccie_list@it-ag.com)
Date: Sat Dec 27 2008 - 13:48:39 ARST
Hi Ron,
Yes, it's the case that the classes are evaluated sequentially from top
down. Do you have the QoS Exam Cert Guide? In the second edition, you can
have a look at page 151, where the last full para states "...IOS applies the
policy map classes in the order that they appear in the 'policy-map'
command." If you don't have that book (you should), do you have the 3rd
edition of the R&S Exam Cert Guide? There, on page 423, you can have a look
at the "Key Topic," where a case of a mis-ordered policy-map is discussed
(the more specific case of NetMeet is entered following a generic match for
voice and thus the NetMeet class is theoretically never hit (in spite of the
example 'sh policy-map' text suggesting otherwise)).
Regards,
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Ron
Lim
Sent: Saturday, December 27, 2008 5:23 AM
To: Cisco certification
Subject: MQC - Read in Top Down manner?
Hi Experts,
Does MQC read from topdown?
Example:
policy-map PM
class CLASS2
set ip precedence 1
class CLASS1
set ip precedence 2
MQC will try to match CLASS2 then CLASS1?
My gut feeling is yes but I can't find proof with Cisco documentation for
it.
Thanks!
Regards,
Ron
Blogs and organic groups at http://www.ccie.net
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