Re: class sequence in policy-map

From: Wes Smith (wesmith@rogers.com)
Date: Wed Mar 17 2004 - 15:53:09 GMT-3


yes ... .. I missed the "IP" class in the example..
If it matches 'any' ip packet, it will grab all the traffic.

Easy to test ... Create a policy with ip.., telnet, .... and icmp
classes .. in that order, and apply it to an interface.
Then do some pings, telnets etc thru int and look at the 'show
policy-map int blah/0 ' and see which class had the traffic.

SANCHEZ-MONGE,ANTONIO (HP-France,ex2) wrote:

>Hi Wes,
>
>Does that mean that UDP and RTP classes will not be used at all?
>
>Cheers,
>Ato.
>
>
>
>-----Original Message-----
>From: Wes Smith [mailto:wesmith@rogers.com]
>Sent: miircoles, 17 de marzo de 2004 18:59
>To: SANCHEZ-MONGE,ANTONIO (HP-France,ex2)
>Cc: 'Aldo'; ccielab@groupstudy.com
>Subject: Re: class sequence in policy-map
>
>
>Ato .. I've found that the policy-map is sequence dependant.
>In this example, .. I don't think the UDP class would scoop all the RTP
>traffic
>
>SANCHEZ-MONGE,ANTONIO (HP-France,ex2) wrote:
>
>
>
>>Hi Aldo,
>>
>>With this policy map you are limiting bandwidth for data and reserving
>>bandwidth for voice. These actions are completely compatible and the
>>order does not affect the behaviour. In fact, limiting data would help
>>voice to go through, but not the other way around. Anyway when you use
>>MQC each class goes in a different queue and the only conflict comes
>>when the total bandwidth reserved for the classes exceeds the
>>reservable bandwidth in the interface.
>>
>>However I take advantage of your question to ask another (I saw a
>>similar one but did not see the answer). In the following policy map:
>>
>>policy-map overlap
>> class IP
>> bandwidth 150
>> class UDP
>> bandwidth 150
>> class RTP
>> bandwidth 150
>>
>>Where is RTP traffic classified???
>>
>>Cheers,
>>Ato.
>>
>>-----Original Message-----
>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>>Aldo
>>Sent: miircoles, 17 de marzo de 2004 17:36
>>To: ccielab@groupstudy.com
>>Subject: class sequence in policy-map
>>
>>
>>Hi All,
>>
>>I have a quick and simple question. Will appreciate any input on this:
>>
>>Does the sequence in which the classes appear in policy-map
>>configuration affect the treatment for that class?
>>
>>e.g.
>>
>>policy-map policy-1
>> class data
>> police 1024000 conform-action transmit exceed-action drop
>> class voice
>> priority 512
>>
>>policy-map policy-2
>> class voice
>> priority 512
>> class data
>> police 1024000 conform-action transmit exceed-action drop
>>
>>Will there be any noticable performance difference when either one is
>>applied to an interface? Does the Doc CD mention anything on this?
>>
>>Thanks!
>>
>>
>>=====
>>
>>
>>
>>
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