Re: How to configure OSPF over ISDN/DDR

From: Art Davis (senzaart@xxxxxxx)
Date: Wed Jul 19 2000 - 10:20:01 GMT-3


   
Put "ip ospf demand-circuit" on *both* sides of the circuit. I know that the
docs say one side only, but if you think about it, how is one side supposed to
know that the other is a demand-circuit?
Any other instances where the documentation is wrong/misleading?

Art

"Keith Kruepke" <lister@kruepke.com> wrote:
Andy,

First thing, I would try to make sure that it is OSPF bringing up the line.
You should see a destination of 224.0.0.5 as the dial reason in the 'show
dialer' output or in the packets in 'debug dialer' messages.

One common issue is using one of the two endpoint routers as a redistribution
point in your network. This can lead to feedback from the other routing
protocol.

Finally, it seems that several people on the list have experienced some
strange behavior with various IOSes. You may want to attempt an upgrade of
one or both routers to see if that changes anything.

Good luck,
Keith

----- Original Message -----
From: "Andy Singh" <ansingh@cisco.com>
To: <ccielab@groupstudy.com>
Sent: Tuesday, July 18, 2000 11:30 AM
Subject: How to configure OSPF over ISDN/DDR

Hello

Can any1 tell me how to configure OSPF over ISDN line so hello packets won't
bring up the circuit. i think you can do "ip ospf demand circuit" inteface
command but i can't get it to work like that.

i'd appreciate any help
Andy

Arthur Davis
Network Engineer
Altra Energy Technologies



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