mls qos cos policy-map on CAT switch

From: david robin (robindavi@gmail.com)
Date: Mon Mar 20 2006 - 05:05:18 GMT-3


Hi all,
I have a question regarding mls qos in catalyst the doc cd said that the
command :

mls qos cos policy-map
 (Optional) Define the CoS value of a port in a policy map.
 When you enter this command, you must also enter the trust
dscp policy-map configuration command in Step 8 and the set
cos new-cos policy-map configuration command in Step 9.

I dont know, shall we trust the dscp and set the cos together in order to
work ?, Also if we set
the cos value what is the function of the dscp-to-cos map here ?

best regards,



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