Where to apply QOS ?

Answered Question
Jul 13th, 2007

Hi, After defining the policy maps , how does one decide where and in which direction should the policy be applied ?

I have this problem too.
0 votes
Correct Answer by bjornarsb about 9 years 5 months ago

Yes.

Outbound on your CPE router, and make sure that the service provider does the same on their PE router.

Actually you can do classification input on your Eth inteface.

HTH

BR,

Bjornarsb

Correct Answer by Jon Marshall about 9 years 5 months ago

Hi

Outbound on the Spoke serial interface would guarantee 20kbps of traffic to Hub. To guarantee the return traffic you should apply it outbound at the HUB to each spoke site as well.

HTH

Jon

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vikram_anumukonda Fri, 07/13/2007 - 06:05

Hi Kerek,

Thanks for the reply, but my question is how to decide whether to apply the policy inbound or outbound on a interface.

If you take a Hub and Spoke environment with each spoke connected to the HUB using a 64 kbps leased line, and i want guarantee an bw of 20kbps for http traffic per branch , where should i applcy the policy ???

class-map match-any HTTP

match protocol http

policy-map HTTP

class HTTP

bandwidth 20

where should i apply this policy ???

HUB Serial inbound or outbound

SPOKE Serial inbound or outbound

I hope you got my question..

Correct Answer
Jon Marshall Fri, 07/13/2007 - 06:29

Hi

Outbound on the Spoke serial interface would guarantee 20kbps of traffic to Hub. To guarantee the return traffic you should apply it outbound at the HUB to each spoke site as well.

HTH

Jon

vikram_anumukonda Fri, 07/13/2007 - 20:00

Hi Jon,

So I need to apply the policy both on Spoke Serial and Hub Serial in Outbound directions, Is that what you meant ?

-vikram

Correct Answer
bjornarsb Fri, 07/13/2007 - 20:50

Yes.

Outbound on your CPE router, and make sure that the service provider does the same on their PE router.

Actually you can do classification input on your Eth inteface.

HTH

BR,

Bjornarsb

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