Yes, all of our configurations are point-to-point on both ends. we have no
multipoint interfaces in our network.
> Just had another thought... Are you using point-to-point subinterfaces
at
> the remote end also? If not, that could be your problem... because I
> think if you don't specify its a point to point SUB-interface the regular
> interface is going to assume its multipoint. Then you can go with
> Priscilla's idea.
>
> Cory
>
> -----Original Message-----
> From: John Neiberger [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, July 12, 2000 12:44 PM
> To: [EMAIL PROTECTED]
> Subject: RE: CDP not working on subinterface
>
>
> We use entirely point-to-point subinterfaces, and we have no special
> configuration on them regarding broadcasts. On this particular major
> interface, there are 90 subinterfaces and CDP is working just fine on all
> but two of them. They all have identical configs except for the DLCIs
and
> IP addresses. "show cdp int" shows that CDP packets are being sent, but
> they aren't being received at the opposite end, according to "debug cdp
> packets".
>
> Another oddity about this is that it worked correctly when I first
brought
> the circuit up for about a minute or so, and then it stopped. Very
> strange...
>
> > This is purely a guess.......
> >
> > Are you allowing broadcasts across the PVC by using the broadcast
keyword
>
> > on the frame-relay map command? CDP sends to a multicast address.
> >
> > Priscilla
> >
> >
> >
> > At 08:50 PM 7/11/00, John Neiberger wrote:
> > >No, I haven't done that, but I did "show cdp int" and the router said
> that
> > >it was sending cdp packets out that interface. Both routers on each
end
> of
> > >the link reported this. I'll try debugging tomorrow.
> > >
> > >Thanks for the tip!
> > >
> > >John
> > >
> > > > Did you run "debug cdp" to verify that it is being sent?
> > > >
> > > > -Mag
> > > >
> > > > --------------------------------------------------------
> > > > Magnus Thorne
> > > > eVoice, Inc.
> > > > 1394 Williow Road
> > > > Menlo Park, CA 94025
> > > > Direct: 650.330.3974
> > > > Main: 650.330.3700
> > > > Fax: 650.330.3901
> > > > --------------------------------------------------------
> > > > eVoice. The best voicemail you can buy is free.
> > > > Sign up at www.evoice.com or call 1.800.GET.EVOICE
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: John Neiberger [mailto:[EMAIL PROTECTED]]
> > > > Sent: Tuesday, July 11, 2000 3:08 PM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: CDP not working on subinterface
> > > >
> > > >
> > > > We do not have CDP disabled anywhere on our routers, either
globally
> or
> > >at
> > > > the interface level. I brought up a new PVC today and at the
remote
> side
> > >I
> > > > could see both PVCs to that router. After a few seconds, though,
> one of
> > > > them disappeared from the "show cdp neighbors" output. No
changes
> were
> > >made
> > > > to configs at either side, it just did this on it's own. This
> particular
> > > > PVC is terminating at a subinterface on both routers, and other
> > > > subinterfaces on the major interfaces at each end still report
their
> cdp
> > > > neighbors correctly; the problem is only on this particular
> > >subinterface.
> > > >
> > > > I have noticed this in the past with a different PVC, so it's
> happened at
> > > > least twice in our network.
> > > >
> > > > any ideas why it works temporarily and then quits?
> > > >
> > > > TIA,
> > > > John Neiberger
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________________
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> > >
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> >
> > ________________________
> >
> > Priscilla Oppenheimer
> > http://www.priscilla.com
> >
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>
>
>
>
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