routerA routerB
AREA0--------AREA0
| |
routerC routerD
AREA1---------AREA1
Since we are on the topic of OSPF, could someone help me out on the scenario
above?
Routers A and B have interfaces in Area 0 and Area1. I want traffic from
routerA destined for routerD to go via router B. This is not the case in my
network because I realise that routerA prefers Intra-Area routes and thus
would route traffic to routerD via routerC.
What tweaks must I make in order to force the traffic from routerA to
routerD to go via routerB ? Someone suggested building a GRE tunnel between
routerA and routerB and then configure the tunnel to be in AREA1.
Any suggestions?
Kevin
""W. Alan Robertson"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Guys,
>
> The actual traffic will not be routed up to area 0... Area 0 has been
> extended
> down to R2, so R2 is now a backbone router. R2 has interfaces in 3 areas
> now:
> Area1, Area2, and Area0 by means of it's virtual link.
>
> Any traffic originating in Area2 destined for Area1 will be routed
directly
> by
> R2. This satisfies the "Interarea traffic must traverse the backbone"
rule,
> because R2 *is* a backbone router.
>
> This is not theory... It is fact.
>
> Alan
>
> ----- Original Message -----
> From: "Andrew Larkins"
> To:
> Sent: Monday, May 28, 2001 10:13 AM
> Subject: RE: Wanna Be a CCIE? Try This One [7:6076]
>
>
> > agreed....to area 0 then on to the intended area
> >
> > -----Original Message-----
> > From: Circusnuts [mailto:[EMAIL PROTECTED]]
> > Sent: 28 May 2001 15:50
> > To: [EMAIL PROTECTED]
> > Subject: Re: Wanna Be a CCIE? Try This One [7:6076]
> >
> >
> > Chuck- my answer is Yes. The traffic from the Virtual Linked psuedo-ABR
> > passes back to Area 0, before it's sent onto the intended Area (even if
> it's
> > directly connected).
> >
> > Phil
> >
> >
> > ----- Original Message -----
> > From: Chuck Larrieu
> > To:
> > Sent: Sunday, May 27, 2001 8:59 PM
> > Subject: Wanna Be a CCIE? Try This One [7:6076]
> >
> >
> > > Ever wonder what the CCIE candidates talk about on the CCIE list?
> > >
> > > The following message came through today. I thought the bright folks
on
> > this
> > > list might be curious, and might want to venture an answer.
> > >
> > > Begin original question:
> > >
> > > Guys,
> > >
> > > I wonder if there is anybody who remembers the discussion on Virtual
> > > Links in OSPF. It was posted some time ago but I can't seem to find
it.
> > >
> > > The scenario was something like this:
> > > ________ _______ _______
> > > |Area 0 | |Area1| |Area2|
> > > | R0 |--| R1 |--| R2 |
> > > |______| |_____| |_____|
> > >
> > > There is a virtual link from area 2 to Area 0 via Area1. Traffic needs
to
> > > get to R1 in Area 1 from R2 in Area 2. Assume that the virtual link
has
> to
> > > use R1 (To create the V.Link). Does the traffic flow passed R1 (in
Area
> 1)
> > > to Area 0 and then back to area 1, or does the actual flow just to R1
> from
> > > R2.
> > >
> > > I cant remember the conclusion, and I cant seem to find it on the
> > archives.
> > > Quite interesting issues.
> > >
> > > End of original question
> > >
> > >
> > > Chuck
> > >
> > > One IOS to forward them all.
> > > One IOS to find them.
> > > One IOS to summarize them all
> > > And in the routing table bind them.
> > >
> > > -JRR Chambers-
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
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