Symptom
for example:
N7k# show int Eth3/17,Eth3/19,Eth3/21,Eth3/23 count error
--------------------------------------------------------------------------------
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscards
--------------------------------------------------------------------------------
Eth3/17 0 304 0 304 0 89794089
Eth3/19 0 66 0 66 0 89794089
Eth3/21 0 0 0 0 0 89794089
Eth3/23 0 0 0 0 0 89794089
N7k# show int Eth3/17,Eth3/19,Eth3/21,Eth3/23 count error snmp
--------------------------------------------------------------------------------
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscards
--------------------------------------------------------------------------------
Eth3/17 0 304 0 304 0 0
Eth3/19 0 66 0 66 0 0
Eth3/21 0 0 0 0 0 0
Eth3/23 0 0 0 0 0 0
Conditions
outDiscards(tx_drops) need to be seen in the interface errors.
Further Problem Description
When outDiscards are seen on an interface, SNMP output is not showing the count.