From: gladston@br.ibm.com
Date: Fri Jul 08 2005 - 18:01:29 GMT-3
===========
quoted
access-list 101 permit tcp any any eq www access-list 101 permit tcp any
any eq smtp !
class-map WWW-SMTP
match access-group 101
!
policy-map QoS
class
WWW-SMTP
bandwidth percent 35
!
int s 0/0
service-policy output QoS
!
Regarding the second configuration,I have doubt whether 35% is reserved
combined for www & smtp ?
=============
In this case you are reserving 35% for anything that matches class WWW-SMTP.
Regarding the reference, it is always a good idea to check the result of what you configured. 'show poli inter x/y' will show you the percent reserved for each class and the value. So, if you have a link which clock rate is 128k but you have a configured bandwidth of 1000k, IOS will show you that you have 350k for the class on your example, which would be wrong.
Bandwidth reference can be a little confusing:
- If you apply the service police to a physical interface, the reference is the bandwidth configured under the interface
- If it is applyed under a Frame-relay map-class, the reference is mincir, or 1/2 CIR if mincir is not configured
- If it is applyed under a ATM VBR-nrt PVC, it will be the average rate configured under the PVC.
But do not try to memorize it. Implement every kind on your lab and work with it, trying to configure a value bigger than the minCIR for frame-relay, for example, and other kind of tests like this.
By the way, as you may know, bandwidth percent is referenced to the total bandwidth on 12.2T, and available bandwidth on releases before that.
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