because the pix will see the multicast traffic as broadcast, then dropiing
it, then not getting any adjacency on the routers. I had have the same
problem 2 weeks ago. exactly the same issue if you work with EIGRP.

> -----Mensaje original-----
> De:   John Kaberna [SMTP:[EMAIL PROTECTED]]
> Enviado el:   Tuesday, September 19, 2000 7:35 PM
> Para: Omar Baceski; [EMAIL PROTECTED]
> Asunto:       Re: PIX and OSPF
> 
> Like Howard mentioned early.   Why would you do this?
> 
> ----- Original Message -----
> From: Omar Baceski <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, September 19, 2000 3:05 PM
> Subject: RE: PIX and OSPF
> 
> 
> > let me explain....
> > you must make a conduit that let pass the ospf unicast traffic from JUST
> one
> > router to the other. and if you are really paranoid you can put md5 auth
> on
> > both routers too.
> >
> > > -----Mensaje original-----
> > > De: Howard C. Berkowitz [SMTP:[EMAIL PROTECTED]]
> > > Enviado el: Tuesday, September 19, 2000 6:13 PM
> > > Para: [EMAIL PROTECTED]
> > > Asunto: RE: PIX and OSPF
> > >
> > > >you can put an explicit neighboring between the routers to avoid
> using
> > > >multicast. then you need to put a coumple conduits to let ospf
> > > passtrough.
> > >
> > > But why do you want to pass through?  It seems counter to good
> > > security practice.
> > >
> > > >
> > > >
> > > >
> > > >  > -----Mensaje original-----
> > > >  > De: Nabil Fares [SMTP:[EMAIL PROTECTED]]
> > > >  > Enviado el: Tuesday, September 19, 2000 2:38 PM
> > > >  > Para: [EMAIL PROTECTED]
> > > >  > Asunto: PIX and OSPF
> > > >  >
> > > >  > Greetings,
> > > >  >
> > > >  > I'm testing PIX515 and I've couple of questions concerning OSPF.
> > > I'll be
> > > >  > installing a PIX between 2 7XXX router:
> > > >  >
> > > >  > Router-C1>------PIX515------>Router-C2
> > > >  > OSPF                           OSPF
> > > >  >
> > > >  >
> > > >  > Do I've to do anything special on PIX to pass OSPF?  Any help is
> > > great.
> > > >  >
> > > >  >
> > > >  > thanks,
> > > >  >
> > > >  > Nabil
> > > >  >
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