[c-nsp] Hanging Fa0 on 1721

Wed Aug 9 11:08:06 EDT 2006

Well it’s still 100M FD after the reboot, and the customer had connected a
laptop directly on the Fa0, so I don’t think this is the issue

  _____  

From: Joe Loiacono [mailto:jloiacon at csc.com] 
Sent: mercredi 9 août 2006 17:01
To: Vincent De Keyzer
Cc: cisco-nsp at puck.nether.net; cisco-nsp-bounces at puck.nether.net
Subject: Re: [c-nsp] Hanging Fa0 on 1721

Duplex/speed mismatch?

"Vincent De Keyzer" <vincent at dekeyzer.net> 
Sent by: cisco-nsp-bounces at puck.nether.net 

08/09/2006 10:55 AM 

To

<cisco-nsp at puck.nether.net> 

cc

Subject

[c-nsp] Hanging Fa0 on 1721

Hello,

I had the following problem with a customer router (Internet access) : Fa0
was not sending packets out anymore (to customer firewall). Problem was
fixed by reloading the 1721.

Do you have any idea what can cause the output drops we were seeing ? What
should we check if it happens another time ?

Vincent

IXE005ro11#sh int fa 0

FastEthernet0 is up, line protocol is up

 Hardware is PQUICC_FEC, address is 000e.832a.f522 (bia 000e.832a.f522)

 Internet address is x.y.242.113/28

 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 00:04:42, output 02:10:53, output hang never

 Last clearing of "show interface" counters 01:02:45

 Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 4449
<------------------ here 

 Queueing strategy: fifo

 Output queue: 40/40 (size/max)

 30 second input rate 0 bits/sec, 0 packets/sec

 30 second output rate 0 bits/sec, 0 packets/sec

    1855 packets input, 111300 bytes

    Received 1855 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

    0 packets output, 0 bytes, 0 underruns
<-------------------------------------- and here

    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

IXE005ro11#

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