From: Duncan Maccubbin (duncan.maccubbin@earthlink.net)
Date: Fri May 26 2006 - 23:35:06 ART
The MTU on the CAT is set to 1504. You'll need to set it to 1500 and reboot the CAT. I think you could see it pretty clearly with:
debug ip ospf adj
-----Original Message-----
>From: "Adam S. Roth" <adam@therothfamily.net>
>Sent: May 26, 2006 8:17 PM
>To: ccielab@groupstudy.com
>Subject: OSPF - NMC Lab 2
>
>I am kind of stuck. I did some searching online, on Cisco and some group
>study archive searching and still cant get the following error message to
>stop :
>
>00:21:45: %OSPF-5-ADJCHG: Process 1, Nbr 172.16.102.1 on Vlan40 from DOWN to
>DOW
>N, Neighbor Down: Dead timer expired
>00:23:02: %OSPF-5-ADJCHG: Process 1, Nbr 172.16.102.1 on Vlan40 from EXSTART
>to
>DOWN, Neighbor Down: Too many DBD retransmitions
>00:23:45: %OSPF-5-ADJCHG: Process 1, Nbr 172.16.102.1 on Vlan40 from DOWN to
>DOW
>N, Neighbor Down: Dead timer expired00:27:02: %OSPF-5-ADJCHG: Process 1, Nbr
>172.16.102.1 on Vlan40 from EXSTART to
>DOWN, Neighbor Down: Too many DBD retransmitions
>
>
>
>Orginally , by mistake I assign the same loop back to R2 and Cat1. I
>removed the wrong one, did a write mem and then a reboot and those messages
>above appeared.
>
>I checked duplex, here is vlan 40 from CAT1
>
>Vlan40 is up, line protocol is up
> Hardware is EtherSVI, address is 000a.b712.9680 (bia 000a.b712.9680)
> Internet address is 172.16.20.10/25
> MTU 1504 bytes, BW 1000000 Kbit, DLY 10 usec,
> reliability 255/255, txload 1/255, rxload 1/255
> Encapsulation ARPA, loopback not set
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:05, output 00:00:07, output hang never
> Last clearing of "show interface" counters never
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 4
> Queueing strategy: fifo
> Output queue: 0/40 (size/max)
> 5 minute input rate 0 bits/sec, 0 packets/sec
> 5 minute output rate 0 bits/sec, 0 packets/sec
> 352 packets input, 32794 bytes, 0 no buffer
> Received 0 broadcasts (0 IP multicast)
> 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> 343 packets output, 30928 bytes, 0 underruns
> 0 output errors, 0 interface resets
> 0 output buffer failures, 0 output buffers swapped out
>
>What else should I check?
>
>
>Thanks
>
>
>Adam
>
>_______________________________________________________________________
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Thu Jun 01 2006 - 06:33:22 ART