Debug interface drops I

Important commands to debug interface drops on Catalyst 3650/3850:

sh interfaces gi1/0/XX

sh interfaces gi1/0/XX counters errors

sh controllers ethernet-controller gigabitEthernet 1/0/XX

sh platform qos queue config gigabitEthernet 1/0/XX

sh platform qos queue stats gigabitEthernet 1/0/XX

Important links:

http://www.cisco.com/image/gif/paws/12027/53.pdf

http://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/200594-Catalyst-3850-Troubleshooting-Output-dr.html