From: Jason Madsen (madsen.jason@gmail.com)
Date: Thu Dec 11 2008 - 22:50:25 ARST
Yes, you can apply ip ospf mtu-ignore to sub-interfaces and to check your
mtu just use show interface.
Jason
On Thu, Dec 11, 2008 at 5:42 PM, nouman abbasi <abbasi.nouman@gmail.com>wrote:
> Thanks for your input.
>
> How to check MTU size on the router.
> I have not seen a scenario where ip ospf mtu-ignore is applied on a
> sub-interface of a router ( is this possible scenario )
>
>
>
>
> On Fri, Dec 12, 2008 at 3:37 AM, Alex H. Ryu <r.hyunseog@ieee.org> wrote:
>
> > show interface command!
> >
> > Besides MTU size mismatch, if router/switch CPU is too busy, and there
> > are three continuous keepalive packet timeout, it will be same way.
> >
> > For MTU mismatch, you can configure "ip ospf mtu-ignore" under physical
> > interface.
> >
> >
> >
> > nouman abbasi wrote:
> > > *Jul 13 19:10:59.015: %OSPF-5-ADJCHG: Process 1, Nbr 7.7.7.7 on
> > > FastEthernet0/0.11 from DOWN to DOWN, Neighbor Down: Ignore timer ex
> > >
> > >
> > > Hi GS,
> > >
> > > whenever we see the above message the first doubt goes on MTU Size ; (
> > if
> > > MTU size is same ; what are other options to check )
> > >
> > > On SW we can check mtu size = sh system mtu
> > > how to check on Router and is it possible that old router 1700 series
> > with
> > > old IOS will have different mtu size
> > >
> > >
> > > Thanks
> > >
> > >
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> > >
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>
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