Re: MLS QoS

From: Marko Milivojevic <markom_at_ipexpert.com>
Date: Wed, 13 Feb 2013 15:45:14 -0800

I also believe we have on our blog an article written by Vik Malhi
that touches on this subject:

This is part #1 of a 3-part series:

http://blog.ipexpert.com/2011/05/16/campus-qos-part-1-classification-and-marking-on-the-catalyst-3750/

--
Marko Milivojevic - CCIE #18427 (SP R&S)
Senior CCIE Instructor / Managing Partner - IPexpert
On Wed, Feb 13, 2013 at 1:32 PM, marc edwards <renorider_at_gmail.com> wrote:
> Tom,
>
> That is right on spot. I will test and let you know.
>
> Regards,
>
> Marc
>
> On Wed, Feb 13, 2013 at 12:20 PM, Tom Kacprzynski <tom.kac_at_gmail.com> wrote:
>> Marc,
>> If I understand what you are trying to do try this:
>>
>>
>> ip access-list extended EF
>>  deny   ip 10.1.1.0 0.0.0.255 any dscp ef
>>  permit ip any any dscp ef
>>
>> ip access-list extended KNOWN-ACL
>>  permit ip 10.1.1.0 0.0.0.255 any dscp ef
>>
>>
>>
>> class-map match-all VOIP
>>  match access-group name EF
>>
>> class-map match-all KNOWN-APP
>>  match access-group name KNOWN-ACL
>>
>>
>>
>> policy-map POLICE
>>  class VOIP
>>   police 128000 8000 exceed-action drop
>>   trust dscp
>>  class KNOW-APP
>>   trust dscp
>>
>>
>>
>> interface FastEthernet0/1
>>  service-policy input POLICE
>>
>> ..I think what you are missing is that you can set trust setting on each
>> class-map. I hope that's what you were looking for. I haven't tested the
>> config, just for syntax. Let me know if that works for you. I used 3560
>> Catalyst for this.
>>
>>
>> Thanks
>>
>> Tom
>>
>>
>>
>>
>>
>> On Wed, Feb 13, 2013 at 1:10 PM, marc edwards <renorider_at_gmail.com> wrote:
>>>
>>> ip access list extended EF deny ip 10.1.1.0 0.0.0.255 any dscp EF
>>> <---known so bypass policer
>>> ip access list EF permit ip any any dscp EF <--- unknown so police
>>>
>>> class-map VOICE
>>> match access-group EF
>>>
>>> policy-map POLICE
>>> class VOICE <Corrected
>>> police 128 k 8000
>>>
>>> On Wed, Feb 13, 2013 at 11:09 AM, marc edwards <renorider_at_gmail.com>
>>> wrote:
>>> > BTW disappointed to find out 2960 doesn't have ingress queuing :( keep
>>> > that in mind
>>> >
>>> > On Wed, Feb 13, 2013 at 11:08 AM, marc edwards <renorider_at_gmail.com>
>>> > wrote:
>>> >> Thanks Tom. I am looking for a way to trust known apps w/out policer
>>> >> but trust unknown apps w/policer AKA
>>> >>
>>> >> ip access list extended EF deny ip 10.1.1.0 0.0.0.255 any dscp EF <---
>>> >> known so bypass policer
>>> >> ip access list EF permit ip any any dscp EF
>>> >>
>>> >> class-map VOICE
>>> >> match access-group EF
>>> >>
>>> >> policy-map POLICE
>>> >> class EF
>>> >> police 128 k 8000
>>> >>
>>> >> Then trust all markings but have a policer to ward off any apps we
>>> >> don't want hogging pipe. Does that make sense?
>>> >>
>>> >> Marc
>>> >>
>>> >> On Wed, Feb 13, 2013 at 10:37 AM, Tom Kacprzynski <tom.kac_at_gmail.com>
>>> >> wrote:
>>> >>> I believe you'll be able to do that as long as your policy-map does
>>> >>> not have
>>> >>> any classification included. I think if it does, once you apply the
>>> >>> policy-map it will remove the port trust.
>>> >>> Can you send the policy-map?
>>> >>>
>>> >>> Thanks
>>> >>>
>>> >>>
>>> >>> Tom Kacprzynski
>>> >>>
>>> >>>
>>> >>> On Sat, Feb 9, 2013 at 8:40 PM, marc edwards <renorider_at_gmail.com>
>>> >>> wrote:
>>> >>>>
>>> >>>> Can I trust and have service-policy policer work togethers?
>>> >>>>
>>> >>>> Is the following config kosher?
>>> >>>>
>>> >>>> !
>>> >>>> interface GigabitEthernet1/0/1
>>> >>>>  switchport access vlan 7
>>> >>>>  srr-queue bandwidth share 10 10 60 20
>>> >>>>  priority-queue out
>>> >>>>  mls qos trust dscp
>>> >>>>  service-policy input INTOPORT
>>> >>>> !
>>> >>>>
>>> >>>>
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>>> >>>>
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Received on Wed Feb 13 2013 - 15:45:14 ART

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