QoS Monitor

Unanswered Question
Mar 5th, 2007

Hi,

How do we monitor LAN QoS which is based on CoS and DSCP.

What is the command to see matching or dropped packets for DSCP vlaue?

Regards,

Rajesh

I have this problem too.
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gpulos Mon, 03/05/2007 - 05:29

you can use the "show mls qos ..." commands and the "show policy-map ...." commands to view QoS statistics and matched packets, etc.

(depending on your cisco platform, commands or syntax may be different; 6500 IOS 12.x shown below)

please see the following link for more info:

http://www.cisco.com/en/US/products/hw/switches/ps708/products_command_reference_chapter09186a00801ea8bf.html

qos references:

http://www.cisco.com/en/US/tech/tk543/tsd_technology_support_category_home.html

bmarmont_2 Mon, 03/12/2007 - 19:08

Did you ever find out how to do this? I need to know how to do this also.

Cheers

Brendan

johnnylingo Fri, 06/22/2007 - 13:51

On the 3550, 3560, and 3750, the command "show mls qos interface statistics" works very well to verify DSCP and CoS values for a particular port.

I haven't found as nice a command on the 4500 and 6500, unfortunately.

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