From: Atif Awan (atifawan@xxxxxxxxxxx)
Date: Thu Jan 03 2002 - 16:34:20 GMT-3
Switch the cable ends on the routers and move the clock rate command to the
new router ... do a show interface again and if the problem shifts to the
other router it is most definitely a physical cable issue ..
>From: "Wen Jia Yang" <tonyblair@etang.com>
>Reply-To: "Wen Jia Yang" <tonyblair@etang.com>
>To: "Lupi, Guy" <Guy.Lupi@eurekaggn.com>, <ccielab@groupstudy.com>
>Subject: Re: back to back problem,I am going to kill myself!
>Date: Thu, 3 Jan 2002 22:07:41 +0800
>
>I have tried all kinds of methods.
>confi t
>int s0
>shut
>no sh
>
>it is no use.:(
>pull out and plug in ,no use either.:(
>
>----- Original Message -----
>From: "Lupi, Guy" <Guy.Lupi@eurekaggn.com>
>To: "'Wen Jia Yang'" <tonyblair@etang.com>; <ccielab@groupstudy.com>
>Sent: Thursday, January 03, 2002 9:52 PM
>Subject: RE: back to back problem,I am going to kill myself!
>
>
> > 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
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