From: Adam (thehick777@gmail.com)
Date: Fri Apr 13 2007 - 13:19:39 ART
Or use the interface command on R1 "ip ospf mtu-ignore"
Adam
----- Original Message -----
From: "Robert Hosford" <rhosford@certifiednets.com>
To: "Mohamed Radwan" <abobakr.mohamed@gmail.com>; <ccielab@groupstudy.com>
Sent: Friday, April 13, 2007 7:56 AM
Subject: RE: OSPF stuck in Exstart phase -- due to MTU mismatch --
>I have seen this before. Lower the switch MTU.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Mohamed Radwan
> Sent: Sunday, April 08, 2007 9:09 AM
> To: ccielab@groupstudy.com
> Subject: OSPF stuck in Exstart phase -- due to MTU mismatch --
>
> Hello everybody,
>
> I am facing a problem with ospf neighbor to established
> the neighborship is stuck in Exstart phase
> and when I debug it . if found the problem with MTU between a router and
> switch
> here is the ropology SW1 --- R1
>
> r1(config-if)#mtu 1504
> % Interface FastEthernet0/0 does not support user settable mtu.
>
> SW1#sh int fa0/1 | in MTU
> MTU 1504 bytes, BW 100000 Kbit, DLY 100 usec
>
>
> R1#sh int fa0/0 | in MTU
> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
>
> any ideas?
>
> Thanks
>
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