From: ccie ccie (cciefun@gmail.com)
Date: Wed Nov 28 2007 - 08:28:01 ART
Thanks Gops. Perfect explanation.
Reagards
Mike
On 11/28/07, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
>
>
> One more point to add here is that OSPF too would have done the same
> behavior as RIP if not configured with the Point-to-Multipoint option.
>
> HTH
> Gops
>
> -----Original Message-----
> From: Gupta, Gopal (NWCC)
> Sent: Wednesday, November 28, 2007 16:16
> To: 'ccie ccie'; Vaibhav Sharma
> Cc: Cisco certification
> Subject: RE: RIP over FR (hub&spoke) not working properly..
>
> Hi Mike,
>
> There is a basic deifference between RIP and OSPF P-2-M
>
> When Configured OSPF P-2-M we don't need to map spoke to spoke because
> spoke communicates with other spoke via L-3 Route which in this case
> would point to nextHOP of HUB and not the SPOKE.
>
> Where as in RIP we learn the Route which directly points to the next hop
> of the SPOKE for which we don't have L-3-L2 mapping; and not to the next
> hop of HUB interface; So we are unable to pong from spoke to spoke
>
> HTH
> Gops
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> ccie ccie
> Sent: Wednesday, November 28, 2007 16:04
> To: Vaibhav Sharma
> Cc: Cisco certification
> Subject: Re: RIP over FR (hub&spoke) not working properly..
> Importance: Low
>
> Hi Tech Lover,
>
> I dont have spoke to spoke mapping i only have HUB to Spoke mapping.
> If i remove rip & put opsf with network type ip os net po to multi it
> works.
>
> router rip
> net 0.0.0.0
>
> remove eith ospf as below
>
> router os 1
> network 0.0.0.0 0.0.0.0 ar 0 ( & network type ip os net point-to-mul
> )
>
> its work fine. I can ping spoke to spoke & i learn all ospf routes.
>
> If i map spoke to spoke it will work.
>
> Question: (Note : HUB/SPOKE FR interface is main interface so by
> default split hori is disable) 1. If i am learning network of one spoke
> on another spoke why i cant ping in RIP case.
> 2. Do we need spoke to spoke mapping in RIP if yes why why???
>
> Regards
> Mike
>
>
>
>
>
>
>
>
> On 11/28/07, Vaibhav Sharma <vaisharm@cisco.com> wrote:
> >
> > Do you have p2p subif on the spokes with the correct dlci specified?
> > If you are using the main interface instead then you will have to have
>
> > static mapping between the spokes via the hub.
> >
> > -vaibhav
> >
> > ----- Original Message -----
> > From: "ccie ccie" < cciefun@gmail.com>
> > To: "Cisco certification" <ccielab@groupstudy.com>
> > Sent: Wednesday, November 28, 2007 2:58 PM
> > Subject: RIP over FR (hub&spoke) not working properly..
> >
> >
> > > Hi Tech Lover,
> > >
> > > (spoke ) R1 <=====-FR static map========> - R2 Hub <======FR static
> > > map====> --R3.
> > >
> > > No static/dynamic map between sopkes. I am running RIP V2 i am
> > > getting routes of R1 in R3 & vice versa but unable to ping R1
> > > loopback
> > >
> > > RIP config as below
> > >
> > > router rip
> > > network 0.0.0.0
> > >
> > > Regads
> > > Mike
> > >
> > > ____________________________________________________________________
> > > ___ Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sat Dec 01 2007 - 06:37:31 ART