From: Erick B. (erickbe@yahoo.com)
Date: Wed Oct 02 2002 - 01:20:16 GMT-3
Correct. This is stated in the RFC.
--- Don <seadon@attbi.com> wrote:
> Last time I looked, O routes will be used before
> O-IA, which will be used
> before O-EX routes in all cases.
> Don
> ----- Original Message -----
> From: "Jay" <ccienxtyear@hotmail.com>
> To: <ccielab@groupstudy.com>
> Sent: Tuesday, October 01, 2002 1:52 PM
> Subject: OSPF riddle -how to manipulate the OSPF
> prefer inter area over
> intra area
>
>
> > Folks,
> >
> > I have attached a topolgy that I am working on for
> simplicity, heres the =
> > problem -
> > I am trying to get a OSPF setup done and running
> into a few issues with =
> > the OSPF route selction process of preferring
> intra area over inter area =
> > routes. the requirement is that..The ISDN link
> between R2 and R5 shd be =
> > acctive only when the FR cloud is down. I am using
> OSPF demand circuit =
> > ..Since R5 is now part of Area 1 the loopbacks on
> R2 and R4 are now seen =
> > as intra area routes and the ISDN route is
> prefferrd over the ethernet =
> > route. I tried to use the distance command and
> with one and then with =
> > two ospf process. Also an intersting thing here is
> that the External =
> > routes for RIP and EIGRP are also learnt through
> the BRI even after =
> > canging the redistributed route type to E1 to
> include internal cost. I =
> > am not if I am missing something here
> >
> > R3 is connected via Ethernet to the Area 0. I
> forgot to put that on the =
> > drawing.
> > My configurations are simple..partial configs
> >
> > R5
> >
> > router ospf 1
> >
> > network 150.35.15.0 0.0.0.255 area 0
> >
> > network 50.1.1.0 0.0.0.255 area 1
> >
> > network 5.5.5.0 0.0.0.255 are 0
> >
> > router-id 5.5.5.5
> >
> > redistribute eigrp 1 subnets route-map eigrp2ospf
> >
> > R2
> >
> > router ospf 1
> >
> > network 150.35.24.0 0.0.0.244 are 1
> >
> > network 50.1.1.0 0.0.0.255 are 1
> >
> > network 2.2.2.0 0.0.0.255 are 1
> >
> > redisribute rip subnets route-map rip2ospf
> >
> > Interface bri 0/0
> >
> > ip add 50.1.1.2 255.255.255.0
> >
> > ip ospf demand circuit
> >
> > ip ospf cost 1500
> >
> > [GroupStudy.com removed an attachment of type
> image/gif which had a name
> of pref.gif]
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