[j-nsp] OSPF getting stuck in EXCHANGE

Abhishek Verma abhishekv.verma at gmail.com
Sun Jul 9 21:15:38 EDT 2006


We've already verified this and the MTU is the same on both ends.

On 7/8/06, Jared Gull <jmgull at yahoo.com> wrote:
>
> This is generally an MTU mismatch on the connecting
> interfaces.
>
> --- Abhishek Verma <abhishekv.verma at gmail.com> wrote:
>
> > Hi,
> >
> > I am using Juniper version 7.3R3.6 and a C box.
> >
> > The network has around 10K OSPF LSAs. My problem is
> > that the OSPF adjacency
> > is not coming up and its getting stuck in the
> > Exchange state on a Cisco. The
> > Juniper receives a few DD packets without any
> > problems and then suddenly
> > misses a DD packet. The Cisco readvertises that, yet
> > Juniper never recieves
> > that and keeps advertising the missing DD packet. C
> > continually resends it
> > but the J box is never able to receive it.
> >
> > This works if i convert the area into stubby or NSSA
> > as the DD exchange then
> > is not so prolonged.
> >
> > Is this a known issue with Juniper and can something
> > be done about this?
> >
> > Then sometimes i have also seen negative sequence
> > numbers in the DD exchange
> > from Juniper.
> >
> > Any clues anybody?
> >
> > Thanks,
> > Abhishek
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp at puck.nether.net
> > http://puck.nether.net/mailman/listinfo/juniper-nsp
> >
>
>
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