Symptom
Input errors on management interfaces, even when the interface is down.
RP/0/RSP0/CPU0:ASR-9001#show interfaces mgmtEth 0/RSP0/CPU0/*
MgmtEth0/RSP0/CPU0/0 is up, line protocol is up
Last clearing of "show interface" counters never
5 minute input rate 4874104981159000 bits/sec, 3 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
10883 packets input, 1227576 bytes, 0 total input drops
2246 drops for unrecognized upper-level protocol
Received 409 broadcast packets, 5956 multicast packets
0 runts, 0 giants, 0 throttles, 0 parity
4294967295 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort <<<<<<<< HERE
80 packets output, 20213 bytes, 0 total output drops
Output 3 broadcast packets, 77 multicast packets
0 output errors, 0 underruns, 0 applique, 0 resets
0 output buffer failures, 0 output buffers swapped out
1 carrier transitions
MgmtEth0/RSP0/CPU0/1 is administratively down, line protocol is administratively down
Last clearing of "show interface" counters never
5 minute input rate 5282444164988000 bits/sec, 5483 packets/sec
5 minute output rate 34942795210817000 bits/sec, 25233 packets/sec
4294967295 packets input, 18446744073709551614 bytes, 0 total input drops
0 drops for unrecognized upper-level protocol
Received 0 broadcast packets, 4294967295 multicast packets
0 runts, 4294967295 giants, 0 throttles, 0 parity
4294967294 input errors, 4294967295 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort <<<<<<<< HERE
4294967295 packets output, 18446744073709551615 bytes, 0 total output drops
Output 0 broadcast packets, 0 multicast packets
4294967295 output errors, 0 underruns, 0 applique, 0 resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Conditions
Observed on ASR-9001 platform during regular operation.
It may be triggered when executing show tech-support ethernet controllers or show tech-support ethernet interfaces commands.
