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New Member

3550 QoS

Doing policing in the 3550, Iam trying to match a vlan and a class in a policy map (as SRND QOS). The problem is that the 3550 does not allow it:

Config:

!

class-map match-all citrix

match ip dscp 12

class-map match-all voice

match ip dscp 46

class-map match-all a-citrix

match vlan 150

match class-map citrix

class-map match-all a-voice

match vlan 200

match class-map voice

!

!

policy-map pol

class a-voice

set ip dscp 46

class a-citrix

set ip dscp 12

police 40000 13000 exceed-action policed-dscp-transmit

class class-default

set ip dscp 0

!

QoS: Mixing of VLAN classes and non-VLAN classes is not allowed.

QoS: Policy map pol failed vlan check

Service Policy attachment failed

QoS: Mixing of VLAN classes and non-VLAN classes is not allowed.

QoS: Policy map pol failed vlan check

Service Policy attachment failed

1 ACCEPTED SOLUTION

Accepted Solutions
Silver

Re: 3550 QoS

Hi,

No wonder it works if you remove "match vlan" as you change the "per port per vlan" classification to "per port" only. You cannot configure both port-based classification and vlan-based classification at the same time. In my view the "class class-default" is making an issue in your policy map configuration.

Good luck!

Antonin

4 REPLIES

Re: 3550 QoS

This is classification on a per-port per-vlan basis and it looks like you have it configured correctly. I have got this working before but can't quite see where the mistake is. I'll keep looking but here is the doc for configuring per-port per-vlan.

http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12225see/scg/swqos.htm#wp1145280

Silver

Re: 3550 QoS

Hi,

Though visible in the command-line help strings, the class class-default option is not supported with Cat3550. Please try to remove this class from your policy map and see if there is any improvement.

Best regards,

Antonin

New Member

Re: 3550 QoS

Hi

If I remove "match vlan" and put instead "match access group" it works (Whithout removing class-default).

The problem is why in the 3550 QoS SRND they use "match vlan"

Thanks

Alex

Silver

Re: 3550 QoS

Hi,

No wonder it works if you remove "match vlan" as you change the "per port per vlan" classification to "per port" only. You cannot configure both port-based classification and vlan-based classification at the same time. In my view the "class class-default" is making an issue in your policy map configuration.

Good luck!

Antonin

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