Re: OSPF and NBMA

From: Peng Zheng (zpnist@yahoo.com)
Date: Thu Sep 12 2002 - 02:10:08 GMT-3


Hi,

I'm wondering what's the second requirement means:

2. Solve the problem via layer 3

How to decide which layer I'm using?

Thank you for help.

Best Wishes,
Peng Zheng

--- Nick Shah <nshah@connect.com.au> wrote:
> you could use tunnels .. I am positive that a p2p
> tunnel (the number of
> tunnels will depend on number of spokes) will work.
> But a P2MP tunnel (not
> tried) should also work.. Try it out if you have
> time :)
>
> Now the question arises as to whether the 'tunnel
> solution' is a L3 solution
> or a L2 solution :)
>
> Enjoy
> Nick
> ----- Original Message -----
> From: "Angelo De Guzman" <ghie_pogi@yahoo.com>
> To: "Jason Sinclair" <sinclairj@powertel.com.au>;
> "'Peter van Oene'"
> <pvo@usermail.com>; <ccielab@groupstudy.com>
> Sent: Thursday, September 12, 2002 12:43 PM
> Subject: RE: OSPF and NBMA
>
>
> > Thanks to all! I was able to make it work with
> > policy routing.
> >
> > In this lab the ff. needs to be satisfied
> > 1. dont use the ip ospf network command
> > 2. Solve the problem via layer 3
> >
> > Is there any other way to solve this problem other
> > than policy routing?
> >
> > Many Thanks,
> > Angelo De Guzman
> >
> >
> > --- Jason Sinclair <sinclairj@powertel.com.au>
> wrote:
> > > Peter,
> > >
> > > I agree - and unless the lab specifically calls
> for
> > > it why would you expend
> > > the effort. I know the lab is based on "non real
> > > world" scenarios, however I
> > > do advocate sticking to what we would do in the
> > > "real world" where possible.
> > >
> > > Regards,
> > >
> > > Jason Sinclair CCIE #9100
> > > Manager, Network Control Centre
> > > POWERTEL
> > > 55 Clarence Street,
> > > SYDNEY NSW 2000
> > > AUSTRALIA
> > > office: + 61 2 8264 3820
> > > mobile: + 61 416 105 858
> > > email: sinclairj@powertel.com.au
> > >
> > > -----Original Message-----
> > > From: Peter van Oene [mailto:pvo@usermail.com]
> > > Sent: Thursday, 12 September 2002 03:03
> > > To: ccielab@groupstudy.com
> > > Subject: RE: OSPF and NBMA
> > >
> > > Thanks Edward.
> > >
> > > I did understand his point but don't think he
> > > understood mine. I was
> > > simply suggesting that point to point
> sub-interfaces
> > > would be a better way
> > > to deal with topology. I'm not a big fan of
> kludges
> > > like policy routing.
> > >
> > > At 10:59 AM 9/11/2002 -0600, Edward Monk wrote:
> > > >Peter,
> > > >
> > > >Policy routing
> > > >
> > > >-----Original Message-----
> > > >From: nobody@groupstudy.com
> > > [mailto:nobody@groupstudy.com] On Behalf Of
> > > >McClure, Allen
> > > >Sent: Wednesday, September 11, 2002 9:41 AM
> > > >To: Peter van Oene; ccielab@groupstudy.com
> > > >Subject: RE: OSPF and NBMA
> > > >
> > > >Via layer3? Sounds like a route-map.
> > > >
> > > >Allen McClure
> > > >MCSE, CCNP, CCDP
> > > >YUM! Brands, Inc.
> > > >Sr. Network Analyst
> > > >NEW E-Mail - mailto:allen.mcclure@yum.com
> > > >972-338-7494
> > > >
> > > >
> > > >-----Original Message-----
> > > >From: Peter van Oene [mailto:pvo@usermail.com]
> > > >Sent: Tuesday, September 10, 2002 8:55 PM
> > > >To: ccielab@groupstudy.com
> > > >Subject: Re: OSPF and NBMA
> > > >
> > > >
> > > >point to point sub interfaces come to mind.
> > > >
> > > >At 06:29 PM 9/10/2002 -0700, you wrote:
> > > > >To All,
> > > > >
> > > > > R1 R2 R3 R4 ---- R6
> > > > > \ \ / /
> > > > > \ \ / /
> > > > > \ \ / /
> > > > > R5
> > > > >
> > > > > This is a Hub and spoke topology. Wanted
> to
> > > have reachability to all
> > > >
> > > > >network. Frame-relay cloud is in area 0. R1
> has
> > > another area w/c is 1
> > > > >and R2 has 2 and so on. I don't want to use
> > > frame-relay map to reach
> > > > >the other spokes. I need to solve this
> problem
> > > via
> > > > >Layer 3.
> > > > >Any ideas?
> > > > >Thanks,
> > > > >Angelo De Guzman
> > > > >
> > > >
> > >
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