I had a similar problem a year ago which turned out to be a hardware defect
in the router. It was over voltage on the line and would cause the
ethernet port to go away. Its a documented "feature".
At 11:59 AM 8/23/2001, Teresa Presutto wrote:
>It didn't ping successfully.
>In the sho log I see the following line:
> UTC: %AMDP2_FE-3-UNDERFLO: Ethernet0/1 transmit error
>
>I reloaded the router and now I can see all the MAC address in the arp
cache.
>By the way something is going wrong...
>
>see this two sh int output
>grp_ge#sh int eth0/1
>Ethernet0/1 is up, line protocol is up
> Hardware is AmdP2, address is 00b0.6469.4641 (bia 00b0.6469.4641)
> Description: "LAN Uffici Genova"
> Internet address is 172.17.1.33/24
> MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
> reliability 255/255, txload 1/255, rxload 58/255
> Encapsulation ARPA, loopback not set
> Keepalive set (10 sec)
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:01, output 00:00:00, output hang never
> Last clearing of "show interface" counters 00:58:52
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: weighted fair
> Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> Conversations 0/2/256 (active/max active/max total)
> Reserved Conversations 0/0 (allocated/max allocated)
> Available Bandwidth 7500 kilobits/sec
> 30 second input rate 2286000 bits/sec, 4703 packets/sec
> 30 second output rate 8000 bits/sec, 13 packets/sec
> 16568680 packets input, 1006250867 bytes, 0 no buffer
> Received 2701 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> 0 input packets with dribble condition detected
> 41880 packets output, 20367226 bytes, 0 underruns(1268/2497/0)
> 0 output errors, 3765 collisions, 0 interface resets
> 0 babbles, 0 late collision, 6301 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>
>and after few seconds
>
>grp_ge#sh int eth0/1
>Ethernet0/1 is up, line protocol is up
> Hardware is AmdP2, address is 00b0.6469.4641 (bia 00b0.6469.4641)
> Description: "LAN Uffici Genova"
> Internet address is 172.17.1.33/24
> MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
> reliability 255/255, txload 1/255, rxload 58/255
> Encapsulation ARPA, loopback not set
> Keepalive set (10 sec)
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:01, output 00:00:00, output hang never
> Last clearing of "show interface" counters 00:59:13
> Input queue: 1/75/0/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: weighted fair
> Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> Conversations 0/2/256 (active/max active/max total)
> Reserved Conversations 0/0 (allocated/max allocated)
> Available Bandwidth 7500 kilobits/sec
> 30 second input rate 2282000 bits/sec, 4695 packets/sec
> 30 second output rate 4000 bits/sec, 8 packets/sec
> 16670090 packets input, 1012418296 bytes, 0 no buffer
> Received 2716 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> 0 input packets with dribble condition detected
> 42038 packets output, 20377608 bytes, 0 underruns(1268/2501/0)
> 0 output errors, 3769 collisions, 0 interface resets
> 0 babbles, 0 late collision, 6318 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>
> From: Odell Waters
> To: [EMAIL PROTECTED]
> Sent: Thursday, August 23, 2001 8:05 PM
> Subject: RE: sh arp [7:17012]
>
>
> Try pinging the addresses that came up in your arp cache as incomplete.
If
> it pings successfully then look at the arp cache. You should then see the
> MAC associated with the IP addresses following a successful ping.
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=17156&t=17012
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