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Chapter 5
Applying Cisco's Diagnostic Tools
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored,
0 abort
0 input packets with dribble condition detected
18903 packets output, 15198309 bytes, 0 underruns
283 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
283 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped
out
What happened to Serial 0/0? The console message stated that there was
an address overlap with interface Ethernet 0/1, which means a duplicate IP
address. The IP address on Ethernet 0/1 overlaps with the IP address on
Serial 0/0. Let's look at the interface settings once more.
Router_A#
show interface serial 0/0
Serial0/0 is administratively down, line protocol is down
Hardware is PowerQUICC Serial
Internet address is 172.16.20.5/30
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/
255, load 1/255
Encapsulation HDLC, loopback not set, keepalive set (10
sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored,
0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 8 interface resets
0 output buffer failures, 0 output buffers swapped
out
0 carrier transitions
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