From: Lupi, Guy (Guy.Lupi@xxxxxxxxxxxxx)
Date: Thu Jan 03 2002 - 10:52:32 GMT-3
The DCD is down on Router A's serial interface. Have you tried shutting it
down and bringing it back up a couple of times? I have this problem on
occasion, usually if I unplug the cable from the bad end (Router A) and then
plug it back in it comes up. Have you tried another cable?
-----Original Message-----
From: Wen Jia Yang [mailto:tonyblair@etang.com]
Sent: Thursday, January 03, 2002 8:33 AM
To: ccielab@groupstudy.com
Subject: back to back problem,I am going to kill myself!
routerA and routerB are back to back,I use rs-232 cables,i am sure
clock rate is set,clock rate 64000.
Anyone offer a hand?I am going to kill myself:((((
RouterA#sh int s0
Serial0 is down, line protocol is down
Hardware is HD64570
Internet address is 192.1.1.1/24
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 00:01:09, output never, output hang never
Last clearing of "show interface" counters 00:03:18
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
16 packets input, 1461 bytes, 0 no buffer
Received 16 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, 7 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=down DSR=up DTR=up RTS=up CTS=up
RouterA#sh cdp nei
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater
Device ID Local Intrfce Holdtme Capability Platform
Port ID
RouterB#sh int s0
Serial0 is up, line protocol is down
Hardware is HD64570
Internet address is 192.1.1.2/24
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 00:36:25, output 00:00:05, 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
862 packets input, 52988 bytes, 0 no buffer
Received 701 broadcasts, 0 runts, 0 giants, 0 throttles
46 input errors, 1 CRC, 0 frame, 0 overrun, 2 ignored, 0 abort
1745 packets output, 120424 bytes, 0 underruns
0 output errors, 0 collisions, 83 interface resets
0 output buffer failures, 0 output buffers swapped out
90 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:56:15 GMT-3