[29151] in North American Network Operators' Group
RE: Broken 3640?
daemon@ATHENA.MIT.EDU (Martin Taylor)
Tue Jun 13 13:52:18 2000
Message-ID: <20000613175003.7273.qmail@web313.mail.yahoo.com>
Date: Tue, 13 Jun 2000 10:50:03 -0700 (PDT)
From: Martin Taylor <marty_taylor@yahoo.com>
To: Jeff Wheat <jeff@cetlink.net>, "Neil J. McRae" <neil@domino.org>,
Jason Slagle <raistlin@tacorp.net>
Cc: nanog@merit.edu
MIME-Version: 1.0
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Errors-To: owner-nanog-outgoing@merit.edu
wouldn't this question be better served at:
comp.dcom.sys.cisco
it doesn't seem to fit the NANOG charter.
marty
--- Jeff Wheat <jeff@cetlink.net> wrote:
>
> We have an almost identical problem. I have a 3640
> connected to a catalyst
> 2924XL. I have the switch and router both locked at
> 100/fdx. The crc error
> counters increment on the switch. According to
> cisco, this is related to
> bug id CSCdm49462. In short, when using ISL, the
> keeplives are not encap'd
> so the switch sees this as a crc error. The
> workaround is to disable
> keepalives
> on the router for that interface. Well we have tried
> this and this does not
> make a difference at all. We are still having
> lockups and continous crc
> errors.
> Bug id CSCdm49462 is a duplicate of CSCdm31600,
> which has been closed as
> there
> is a workaround (disable keepalives). If anyone can
> offer anything else on
> this
> I would very much appreciate it. (We have done the
> obvious and replaced
> cables
> and interfaces.)
>
>
> 2924XL:
> FastEthernet0/1 is up, line protocol is up
> Hardware is Fast Ethernet, address is
> 0001.4257.e241 (bia 0001.4257.e241)
> Description: ISL Trunk Feed to RHSC Core
> FastEthernet2/0
> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
> reliability 255/255, txload 26/255, rxload
> 9/255
> Encapsulation ARPA, loopback not set
> Keepalive not set
> Full-duplex, 100Mb/s, 100BaseTX/FX
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:58, output 00:00:00, output hang
> never
> Last clearing of "show interface" counters
> 21:28:28
> Queueing strategy: fifo
> Output queue 0/40, 0 drops; input queue 0/75, 0
> drops
> 5 minute input rate 3788000 bits/sec, 2043
> packets/sec
> 5 minute output rate 10293000 bits/sec, 2302
> packets/sec
> 144755645 packets input, 235743734 bytes
> Received 154190 broadcasts, 0 runts, 0 giants,
> 0 throttles
> 89993 input errors, 89993 CRC, 0 frame, 0
> overrun, 585 ignored
> 0 watchdog, 60165 multicast
> 0 input packets with dribble condition detected
> 153666041 packets output, 3705280485 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
>
> 3640:
> FastEthernet2/0 is up, line protocol is up
> Hardware is AmdFE, address is 00e0.1edf.8ba0 (bia
> 00e0.1edf.8ba0)
> Description: RockHill Main and Colo Lans
> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
> reliability 255/255, txload 10/255, rxload
> 26/255
> Encapsulation ARPA, loopback not set
> Keepalive not set
> 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 1w2d
> Queueing strategy: fifo
> Output queue 0/40, 33091 drops; input queue 0/75,
> 370786 drops
> 5 minute input rate 10277000 bits/sec, 2335
> packets/sec
> 5 minute output rate 4235000 bits/sec, 2078
> packets/sec
> 1450782711 packets input, 3672702950 bytes
> Received 6487551 broadcasts, 0 runts, 0 giants,
> 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0
> ignored
> 0 watchdog, 0 multicast
> 0 input packets with dribble condition detected
> 1373258222 packets output, 2317298953 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
>
> Regards,
> Jeff
>
> > Lock the ports on the switch to 100FD, try a
> different switch...
> >
> > >
> > > Heres a followup.
> > >
> > > This is a show int on the interface.
> > >
> > > FastEthernet2/0 is up, line protocol is up
> > > Hardware is AmdFE, address is 0050.547b.e8c0
> (bia 0050.547b.e8c0)
>
>
>
>
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