Difference between Class-Map Commands.

Unanswered Question
Mar 27th, 2009

Hi Freinds,

Please anyone of you provide exact difference between commands(In QoS) on switch ---->

1) class-map match-all

2) class-map match-any

PLease

Regards

I have this problem too.
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yjdabear Fri, 03/27/2009 - 09:26

http://blog.sazza.de/?p=147

"if a class map matches with multiple match commands, the match-any or match-all parameter on the class-map command defines whether a logical OR or a logical AND is used between the match commands. match-all means AND logic between the parameters, for example: class-map match-all name, match cos 3 4, means to match 3 and 4. With match-any only one match parameter has to be true for the rule to match. So 3 or 4 would suffice."

cisco.net Fri, 03/27/2009 - 09:42

Hii,

Could you please confirm whether this QoS config is proper or not. As i have configured this for one of my customer (5 MB). But seems that this QoS is not working. Customer traffic going beyond 5 Mb(i.e 7Mb or 8Mb).

class-map 5_Mb

match any

policy-map 5_Mb

class 5_Mb

police 5000000 8192 exceed-action drop

On Switch respective Gig interface.

service-policy input 5_Mb

service-policy output 5_Mb

Regards

Jimmy.

cisco.net Sat, 03/28/2009 - 00:39

Dear Freinds,

PLease share your views on requested QoS functionality.

regards

Istvan_Rabai Sat, 03/28/2009 - 13:48

Hi Jimmy,

I would do the task the following way:

policy-map 5_Mb

class class-default

police 5000000 conform-action transmit exceed-action drop

int Gig x/y

service-policy input 5_Mb

service-policy output 5_Mb

As the policing is configured under the "class-default" class and no other classes are defined under the policy-map, all traffic is policed to 5 Mbits/s.

No other traffic classes have to be defined.

Cheers:

Istvan

cisco.net Sun, 03/29/2009 - 00:01

Thxns Istvan,

But in this line "police 5000000 conform-action transmit exceed-action drop" there is no Burst value configured. Can we configured without Burst valued.

Regards

Jimmy

Istvan_Rabai Sun, 03/29/2009 - 13:53

Why don't you try it on the router itself rather than we do a philosopyical debate on this.

Yes, you can. The router will assume a default burst value.

If you connect to a service provider then you should ask them for the burst value that you should configure.

Cheers:

Istvan

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