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Webcast-Catalyst9k
New Member

QoS show commands in Cat4500

Hi

Is there any show commands in Catalyst 4500 that can see we can use to see queuing statistics, e.g, counters to show how many packets are dropped/queued in a particular queue?

So far i only see

show qos

show qos dbl

show qos interface

show qos maps

which does not show what i wanted to see.

Any idea?

Thanks

Eng Wee

4 REPLIES
Hall of Fame Super Bronze

Re: QoS show commands in Cat4500

New Member

Re: QoS show commands in Cat4500

HiEdison,

Thanks for the reply. But it looks like it is only applicable when u use policing. If i have the below auto-qos config that does only queueing, does the show policy-map command still provide the same output? (sorry, i do not have a cat4500 to try it out right now)

policy-map autoqos-voip-policy

class class-default

dbl

interface GigabitEthernet3/1

service-policy output autoqos-voip-policy

qos trust cos

auto qos voip trust

tx-queue 1

shape percent 10

tx-queue 3

priority high

shape percent 33

Thanks for your help.

Rgds

Eng Wee

Hall of Fame Super Bronze

Re: QoS show commands in Cat4500

The commands you posted along with 'show policy-map interface' are the only commands available for QoS troubleshooting in the 4500. Since most switches employ Hardware-Based QoS, granular information will be missing from its statistics.

__

Edison.

New Member

Re: QoS show commands in Cat4500

Hi,

The commands I use on a 4500 for checking QoS counters/general QoS info are:

show interface counter all module x

show interface x/y counter detail

show platform hardware qos interface gigabitEthernet x/y

show qos int x/y

These should give you the QoS counters showing per queue counters, per queue drops and DBL drops when DBL is enabled,

Jed

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