From: Brad Bonham (bbonham@cisco.com)
Date: Fri Dec 06 2002 - 20:59:25 GMT-3
The actuall command that you will need to have on the BRI int is
no peer default default ip address
You need to have this command because, if you don't the router will send
it's interface ip as part of the routing table. If you add this command it
will ignore that address and therfore not bring up line unless the primary
line actually goes down
----- Original Message -----
From: "Jay Greenberg" <groupstudylist@execulink.com>
To: "Brad Bonham" <bbonham@cisco.com>
Cc: <ccielab@groupstudy.com>
Sent: Friday, December 06, 2002 2:11 PM
Subject: Re: ospf demand-circuit
> I'm not sure what you are talking about. Are you referring to the "no
> peer neighbor-route" command? If so, this is to prevent demand-circuit
> from coming up during redistribution.
>
> There is nothing about a "ip peer default" command in that URL you
> posted. Please clarify.
>
> On Fri, 2002-12-06 at 14:09, Brad Bonham wrote:
> > Jay,
> >
> > With OSPF Demand circuit the line will come up if you have not turned
off
> > "ip peer default" I think the following link will clear things up a
little
> > http://www.cisco.com/warp/public/104/dcprob.html
> >
> > Brad
> > ----- Original Message -----
> > From: "Jay Greenberg" <groupstudylist@execulink.com>
> > To: "csc david" <davidcsc2002@yahoo.com.cn>
> > Cc: <ccielab@groupstudy.com>
> > Sent: Friday, December 06, 2002 10:06 AM
> > Subject: Re: ospf demand-circuit
> >
> >
> > > I suppose you could make it a backup demand-circuit by ensuring that
the
> > > cost of the ISDN link is greater than that of the serial link. This
may
> > > already be the case if default bandwidths are used on the link.
> > >
> > > On Fri, 2002-12-06 at 07:17, csc david wrote:
> > > > Hello, everybody, I have some ospf demand-circuit questions.
> > > >
> > > > r1 communicates with r2, all in ospf network, they communicate with
each
> > other through frame-relay, and isdn is a backup.
> > > >
> > > > Q1: if I cannot use backup interface or dialer watch-group, only use
ip
> > ospf demand-circuit, can it work in backup mode?
> > > >
> > > > Q2: when frame-relay is working, and I make the isdn working
> > too(10.105.2.17), so I get :
> > > >
> > > > WH2650XM#sh ip ospf n
> > > >
> > > > Neighbor ID Pri State Dead Time Address
> > Interface
> > > > 10.121.2.5 1 FULL/ - 00:00:39 10.105.2.5
> > Serial0/1 (frame-relay)
> > > > 10.122.2.9 1 FULL/ - 00:00:38 10.105.2.9
> > Serial0/0 (frame-relay)
> > > > 192.168.1.20 1 FULL/ - - 10.105.2.17
BRI0/0
> > > > 10.105.38.5 1 2WAY/DROTHER 00:00:36 10.105.1.4
> > FastEthernet0/0
> > > >
> > > > but after sometime, it appears:
> > > >
> > > > 00:20:45: %OSPF-5-ADJCHG: Process 100, Nbr 192.168.1.20 on BRI0/0
from
> > FULL to D
> > > > OWN, Neighbor Down: Too many retransmissions
> > > >
> > > > Neighbor ID Pri State Dead Time Address
> > Interface
> > > > 10.121.2.5 1 FULL/ - 00:00:39 10.105.2.5
> > Serial0/1
> > > > 10.122.2.9 1 FULL/ - 00:00:37 10.105.2.9
> > Serial0/0
> > > > 10.105.38.5 1 2WAY/DROTHER 00:00:38 10.105.1.4
> > FastEthernet0/0
> > > >
> > > > why?
> > > >
> > > > Thanks!
> > > >
> > > >
> > > >
> > > > ---------------------------------
> > > > Do You Yahoo!?
> > > > "JGIT>+S"Bp#?P!JTE#56;qJ1IP4s=1#!"
> > > > .
> > > .
> .
.
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