Wednesday, November 2, 2016

QoS troubleshooting commands for 4500E/3650 networks

4500E tips from StackExchange

show platform hardware interface ten1/1/31 statistics
that should show you input bytes by CoS.
show platform hardware qos interface foo X/Y
shows queue lengths and flow counts
show interface foo X/Y counter detail
shows interface egress packets by queue, queue drops and DBL drops.
show policy-map interface foo X/Y
mostly useful if you are doing custom policy maps
show interface foo X/Y capabilities
if you want to know what the number and type of queues are available on a particular interface
show qos maps
to show the DSCP-CoS mappings

3650 tips

TBD

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