From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Wed Apr 11 2007 - 18:35:27 ART
Here are your options:
A) Change the system MTU on the switch (system mtu 1500)
B) Have the router and/or switch ignore the MTU (ip ospf mtu-ignore)
C) Change the interface MTU (GigE). Not all interface types support this
option as you've seen.
--Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP) bdennis@internetworkexpert.com Internetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 Direct: 775-745-6404 (Outside the US and Canada)
On 4/11/07 2:20 PM, "Ian Blaney" <ian.blaney@gmail.com> wrote:
> > On 4/8/07, Mohamed Radwan <abobakr.mohamed@gmail.com> wrote: >> >> 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 >> >> _______________________________________________________________________ >> Subscription information may be found at: >> http://www.groupstudy.com/list/CCIELab.html > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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