Cisco 6500 QoS Priority Queuing (DSCP & EXP based)

Chris Evans chrisccnpspam2 at gmail.com
Wed Nov 17 10:58:55 CST 2010


These are lan modules. They have fixed queues that you map traffic into.
Research lan qos methods and it should make sense.
On Nov 17, 2010 11:55 AM, "Manu Chao" <linux.yahoo at gmail.com> wrote:
> Thanks Jim,
>
> The line cards are 6700 series only.
>
> It seems (i will test it) that wrr commands can only be associated with
COS
> marking not DSCP nor EXP.
>
> May be Priority Queuing is not supported for MPLS traffic on 6700 modules
?
>
> On Wed, Nov 17, 2010 at 3:36 PM, Rampley Jr, Jim F <
> jim.rampley at chartercom.com> wrote:
>
>>
>> This depends on which line cards you have in your chassis. This
>> configuration below won't work on 6700 series line cards. You have to use
>> the wrr commands. I didn't test it, but MQC configuration below should
work
>> on ES series line cards.
>>
>>
>>
>> Jim
>>
>>
>> -----Original Message-----
>> From: Manu Chao [mailto:linux.yahoo at gmail.com]
>> Sent: Wednesday, November 17, 2010 9:11 AM
>> To: NANOG list
>> Subject: Cisco 6500 QoS Priority Queuing (DSCP & EXP based)
>>
>> I would to translate following 7200 QoS configuration to Catalyst 6500:
>>
>> class-map match-any PQ
>> match dscp ef
>> match mpls experimental topmost 5
>>
>> policy-map QOS-PE-OUT
>> class PQ
>> priority percent 33
>> class class-default
>>
>> AFAIK we need extra command on 6500 to enable Priority Queuing at the
>> interface level but my problem is that interface priority command are
only
>> COS based not DSCP nor EXP. I may be wrong.
>>
>> I would appreciate any 6500 QoS help.
>>
>> Thanks in advance
>>
>> E-MAIL CONFIDENTIALITY NOTICE:
>>
>>
>>
>>
>>
>>
>>
>> The contents of this e-mail message and
>> any attachments are intended solely for the
>> addressee(s) and may contain confidential
>> and/or legally privileged information. If you
>> are not the intended recipient of this message
>> or if this message has been addressed to you
>> in error, please immediately alert the sender
>> by reply e-mail and then delete this message
>> and any attachments. If you are not the
>> intended recipient, you are notified that
>> any use, dissemination, distribution, copying,
>> or storage of this message or any attachment
>> is strictly prohibited.
>>
>>
>>
>>
>>
>>
>>
>>
>>



More information about the NANOG mailing list