From: Brian Edwards (bedwards@xxxxxxxxxxx)
Date: Thu Jul 13 2000 - 01:59:17 GMT-3
OSPF LSA's will be exchanged over the primary link. The ISDN link will be
included in the LSA's b/c of the "demand-circuit". When the primary link
fails LSA's will flow across the ISDN (brought up by "backup interface" or a
floating static).
> -----Original Message-----
> From: Vijay Venkatesh [mailto:vijay.venkatesh@usa.net]
> Sent: Wednesday, July 12, 2000 9:54 PM
> To: Brian Edwards; ccielab@groupstudy.com
> Subject: Re: Painful OSPF demand circuit
>
>
> If I make ospf uninteresting and if I add new networks behind these
> routers ospf LSAs will not be communicated and essentially ospf will
> not
> bring up the bri0. I need ospf to talk to the isdn line without user
> intervention. Both routers have distinct router ids
>
> Vijay
>
> Brian Edwards wrote:
> >
> > Make OSPF uninteresting.
> >
> > > running both routers with the same ospf router id
> > The routers need to have distinct router ID's
> >
> > > -----Original Message-----
> > > From: Vijay Venkatesh [mailto:vijay.venkatesh@usa.net]
> > > Sent: Wednesday, July 12, 2000 9:09 PM
> > > To: Earl Aboytes
> > > Cc: Stephens, Paul [Prof.Serv]; ccielab@groupstudy.com
> > > Subject: Painful OSPF demand circuit
> > >
> > >
> > > Hello,
> > > I am beating my head against a brick wall trying to get
> > > the ospf
> > > demand circuit working. I am posting this in the hope someone will
> > > look
> > > at it from a different perspective. This is my situation -
> > >
> > > R1 is connected to R2 via a BRI interface. The Bris are on one
> > > subnet and are configured with spids for both channels
> and do not have
> > > dialer profiles. However, they have dialer map
> statements. This is a
> > > point to point bri. Nothing hangs of R1 and nothing hangs
> off R2. I am
> > > running both routers with the same ospf router id and
> both are in area
> > > 0. Now, when I bring up the bri and configure 'ip ospf
> demand-circuit'
> > > on side (either R1 or R2) the bri line comes and
> exchanges ospf info
> > > across the isdn line. Then it hangs up after the idle-timer of 60
> > > seconds. Either R1 or R2 keep redialing and keep the BRI
> up. Please
> > > not there are no topological changes that are causing
> this to happen.
> > > When I do a 'sh dialer' it keeps saying that one of the routers
> > > initiated the dial because it had to communicate to
> 224.0.0.5 which
> > > is the ospf multicast address. What do I do to make sure that the
> > > line stays down using nothing but the 'ip ospf demand-circuit'
> > > statement. My dialer list is protocol ip permit. The dialer maps
> > > are configured with the broadcast option. The version of code I am
> > > running is 11.2(19a) on both routers. Any suggestions are invited.
> > > Thank you for your insights and time.
> > >
> > > Regards,
> > > Vijay.
> > >
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 08:23:53 GMT-3