[c-nsp] MPLS QOS on ME3600 not working???

[Shawn Nolan]

This is a bug. We ran into the same one a while back when we performed a IOS upgrade.

I believe this is the code CSCug39331

Options are. Upgrade to a newer release or straight from TAC:

"If moving to later release is not an option, you could consider the below workaround for this issue which we tested already. This will make it a L4 ACL policy case internally and should work as expected.

Add a dummy class-map matching on L4 ACL to the same policymap. (class matching none of the traffic streams so that actual classes are not affected)

Class Map match-all tcpudp (id 51)
   Match access-group name tcpudp

Extended IP access list tcpudp
    10 permit tcp host 1.2.3.4 any
"



-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Waris Sagheer (waris)
Sent: 12 November 2013 19:10
To: Adam Vitkovsky; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] MPLS QOS on ME3600 not working???

Hi Adam,
Did you work with TAC or BU on this issue? Can you send me your configuration so that I can take a look at it. I need to class-maps and policies as well as the interface configuration.

Best Regards,

[http://www.cisco.com/web/europe/images/email/signature/horizontal06.jpg]

Waris Sagheer
Technical Marketing Manager
Service Provider Access Group (SPAG)
waris at cisco.com<mailto:waris at cisco.com>
Phone: +1 408 853 6682
Mobile: +1 408 835 1389

CCIE - 19901


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From: adam vitkovsky <adam.vitkovsky at swan.sk<mailto:adam.vitkovsky at swan.sk>>
Date: Tuesday, November 12, 2013 5:39 AM
To: "cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>" <cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>>
Subject: [c-nsp] MPLS QOS on ME3600 not working???

Hi Folks,

Is anyone using MPLS QOS on ME3600 platform please or I am the only one hitting the issue?
As seen below all traffic is matched into the first class defined in the policy-map no matter how the packets are marked.
If I would remove the class core_class7 from the policy-map (and might have then add it back so that it would appears at the bottom) all the traffic is going to be matched by the next class that happens to be at the top of the policy-map which would be core_class6 and so on and so on.
This is seen on all boxes and across couple of different IOS versions.

Somehow I fail to convince Cisco that my MPLS traffic patterns are not changing from EXP7/Prec7 to EXP6/Prec6 to ... miraculously as I'm changing the inbound policy-map on some random PE even though I showed them that the neighboring P-core sees a variety of EXP5 to EXP1 marked packets in output policy-maps in direction towards the ME3600.

sh policy-map int te0/1 in
TenGigabitEthernet0/1

  Service-policy input: core_policy_ver5.0_input

    Class-map: core_class7 (match-any)
      74193994 packets, 7015406412 bytes
      30 second offered rate 33000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 7
      Match:  precedence 7
        set qos-group 7
        set discard-class 7

    Class-map: core_class6 (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 6
      Match:  precedence 6
      Match: access-group name AL_BFD
        set qos-group 6
        set discard-class 6

    Class-map: core_class5 (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 5
      Match:  precedence 5
        set qos-group 5
        set discard-class 5

    Class-map: core_class4 (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 4
      Match:  precedence 4
        set qos-group 4
        set discard-class 4

    Class-map: core_class3 (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 3
      Match:  precedence 3
        set qos-group 3
        set discard-class 3

    Class-map: core_class2 (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 2
      Match:  precedence 2
        set qos-group 2
        set discard-class 2

    Class-map: core_class1 (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: mpls experimental topmost 1
      Match:  precedence 1
        set qos-group 1
        set discard-class 1

    Class-map: class-default (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: any
        set qos-group 0
        set discard-class 0



adam

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