Hi,
We are using 3825 Cisco router with IOS version 12.4(24)T2.
The unknown protocol drops on our GigabitEthernet0/1 interface is increasing.
This interface is connected to our modem.
What could be causing this unknown protocol drops?
Please advise.
cnshaccent-gw-2#sh int GigabitEthernet0/1
GigabitEthernet0/1 is up, line protocol is up
Hardware is BCM1125 Internal MAC, address is ffff.ffff.ffff (bia ffff.ffff.ffff)
Internet address is 10.201.72.110/30
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 3/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, media type is RJ45
output flow-control is XON, input flow-control is XON
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 5d01h
Input queue: 0/75/0/2236 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 1197000 bits/sec, 192 packets/sec
5 minute output rate 602000 bits/sec, 198 packets/sec
49064806 packets input, 671449535 bytes, 0 no buffer
Received 204175 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 217883 multicast, 0 pause input
0 input packets with dribble condition detected
50635047 packets output, 1626883298 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
204175 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
