Re: Police and Shaping in the Same Class vs Separated Policy

From: Chris Lewis (chrlewiscsco@yahoo.com)
Date: Sat Oct 29 2005 - 10:31:18 GMT-3


I will have a go if you write out sample configs.
 
Chris

Victor Cappuccio <cvictor@protokolgroup.com> wrote:
Hello,

Could anyone please explain the difference in having a police in a separated
Class matching any req, in the Same Policy Map that it's doing shaping on the
class-default vs. having a separate Policy Map doing rate-limiting and then
applying this police to the class-default using service-police of the main
Policy Map?

Thanks .

=======================================

R6#show policy-map

*Mar 1 04:21:44.518: %SYS-5-CONFIG_I: Configured from console by console

Rack1R6#show policy-map

Policy Map TEST

Class P2P

police cir 8000 bc 1500

conform-action transmit

exceed-action drop

Class class-default

Traffic Shaping

Average Rate Traffic Shaping

CIR 5000000 (bps) Max. Buffers Limit 1000 (Packets)
Bc 160000 Be 80000

police cir 8000 bc 1500

conform-action transmit

exceed-action drop

================= Vs ======================================

R6#show policy-map

Policy Map TEST

Class class-default

Traffic Shaping

Average Rate Traffic Shaping

CIR 5000000 (bps) Max. Buffers Limit 1000 (Packets)
Bc 160000 Be 80000

police cir 8000 bc 1500

conform-action transmit

exceed-action drop

service-policy POLICE

Policy Map POLICE

Class P2P

police cir 8000 bc 1500

conform-action transmit

exceed-action drop

=================

R6#show run interface serial 0/0

Building configuration...

Current configuration : 108 bytes

!

interface Serial0/0

ip address 54.1.1.6 255.255.255.0

service-policy output TEST

clockrate 512000

end

R6#show class-map

Class Map match-any class-default (id 0)

Match any

Class Map match-all P2P (id 1)

Match protocol kazaa2

Match protocol fasttrack

R6#



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