From: Sam Munzani (sam@xxxxxxxxxxx)
Date: Mon Oct 30 2000 - 15:16:06 GMT-3
Do "sh ip ospf data" Under Link ID you will see remote ISDN peer's IP
address with DNA. "ip ospf demand-circuit" takes care by sending an LSA to
remote router about link type. That's why you need it only on one side.
Sam
----- Original Message -----
From: "Steve Clubb" <sclubb@cattech.com>
To: "'Ronnie Royston'" <RonnieR@globaldatasys.com>; <ccielab@groupstudy.com>
Sent: Monday, October 30, 2000 11:44 AM
Subject: RE: OSPF - On Demand Circuit Question
> I've read that too and I can't find anything as far as command reference
> goes, that validates that statement. I've configured 'ip opsf
> demand-circuit' on one side of the link, without any concern for the other
> routers in the architecture, and it's worked just fine.
>
> Steve
>
> -----Original Message-----
> From: Ronnie Royston [mailto:RonnieR@globaldatasys.com]
> Sent: Monday, October 30, 2000 9:11 AM
> To: ccielab@groupstudy.com
> Subject: OSPF - On Demand Circuit Question
>
>
> I have seen alot of emails concerning OSPF on-demand circuits.
> Specifically, it has been said the correct way to configure it is to put
the
> demand circuit command on ONLY one side of the connection, even though it
> will work properly if configured on both.
>
> The Cisco Documentation says, "If the router is part of a point-to-point
> topology, only one end of the circuit needs to be configured with this
> command, but both routers need to have this feature loaded." What does
that
> mean? How do you load the feature without putting 'ip ospf
demand-circuit'
> on both routers? Also, it makes sense to me to put the command on either
> the area 0 router or the remote router. Which router is preferred for
this
> command?
>
> Any advice is greatly appreciated.
>
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