Cisco 1710 w/ IOS 12.3(11)T and 12.3(10)
The WAN side (Eth0) of my router is showing a large number of errors.
The LAN side (FastEth0) shows no errors. (hurray!)
I thought it might be a bad cable between Eth0 and my cable modem, but
I've tried several cables and this interface always accumulates errors
(CRC and frame) quickly. I suppose it could be my cable modem, but how
do I determine it?
Any ideas on what causes these sorts of errors and how to get rid of them?
Thanks,
Don Russell
Router#sho int
Ethernet0 is up, line protocol is up
Hardware is PQUICC Ethernet, address is 0009.435f.d8e5 (bia
0009.435f.d8e5)
Description: WAN-Side Connection
Internet address is 24.30.131.5/19
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 10BaseT
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:01, output hang never
Last clearing of "show interface" counters 03:14:04
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 3000 bits/sec, 6 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
128310 packets input, 14998411 bytes, 0 no buffer
Received 116564 broadcasts, 0 runts, 0 giants, 0 throttles
1163 input errors, 508 CRC, 655 frame, 0 overrun, 0 ignored
0 input packets with dribble condition detected
12978 packets output, 2840972 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
FastEthernet0 is up, line protocol is up
Hardware is PQUICC_FEC, address is 0009.435f.d8e4 (bia 0009.435f.d8e4)
Description: LAN-Side Connection
Internet address is 10.10.10.1/24
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, 100BaseTX/FX
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 03:16:15
Input queue: 0/32/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/100 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 1000 bits/sec, 0 packets/sec
14302 packets input, 3041783 bytes
Received 1871 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog
0 input packets with dribble condition detected
14012 packets output, 8129559 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
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