From: CCIE 4 Me (ccie4me@inbox.lv)
Date: Sun Mar 12 2006 - 10:54:40 GMT-3
Is there a requirement for the network type to be non-broadcast or any
indication that DR are needed? If not, change the network type to
point-to-multiple point. This will introduce /32 routes in your routing
table for all neighbors and you will be able to ping end to end.
----- Original Message -----
From: "Pranab Bhowmick" <pbhowmick@gmail.com>
To: "Kemal Yildirim (Netron)" <Kemal.Yildirim@netron.com.tr>
Cc: "Cisco certification" <ccielab@groupstudy.com>
Sent: Sunday, March 12, 2006 4:47 AM
Subject: Re: Policy based routing in partially-meshed FR/OSPF network
> Hi Kemal,
> Thanks for your response. I should have specified that one of the
> requirements is to use only 1 frame-relay map command under the serial
> interface on R1/R3. I know its kind of stupid, but thats how it is. I
guess
> I'm looking for a L3 solution to this.
> thanks,
> Pranab
>
> On 3/12/06, Kemal Yildirim (Netron) <Kemal.Yildirim@netron.com.tr> wrote:
> >
> > Hi Pranab,
> > I guess you missed to provide proper L3/L2 mapping on frame-relay links,
> > and this is not a OSPF issue in reality.
> > At spokes you need at least one L3/L2 mapping for HUB, and if you want
> > reachability between spokes, you also need extra mappings for spoke to
> > spoke traffic. For spoke-to-spoke mapping you don't need broadcast, I
> > hope this help you.
> > Regards,
> > Kemal
> >
> > R1:
> > interface Serial0/0
> > encapsulation frame-relay
> > ip address 123.1.123.1 255.255.255.0
> > frame-relay map ip 123.1.123.2 102 broadcast ----> for HUB (R2)
> > frame-relay map ip 123.1.123.3 102 ----> for R3
> > no frame-relay inverse-arp
> >
> > R2:
> > interface Serial0/0
> > encapsulation frame-relay
> > ip address 123.1.123.2 255.255.255.0
> > frame-relay map ip 123.1.123.1 201 broadcast
> > frame-relay map ip 123.1.123.3 203 broadcast
> > no frame-relay inverse-arp
> >
> > R3:
> > interface Serial0/0
> > encapsulation frame-relay
> > ip address 123.1.123.3 255.255.255.0
> > frame-relay map ip 123.1.123.2 302 broadcast ----> for HUB (R2)
> > frame-relay map ip 123.1.123.1 302 ----> for R1
> > no frame-relay inverse-arp
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Pranab Bhowmick
> > Sent: Sunday, March 12, 2006 10:53 AM
> > To: Cisco certification
> > Subject: Policy based routing in partially-meshed FR/OSPF network
> >
> > I have the following hub and spoke FR network:
> >
> > R2
> > (multi-point)
> > / \
> > dlci 102/201 / \ dlci 302/203
> > / \
> > R1 R3
> >
> > With ospf network type configured as non-broadcast and manually
> > configuring
> > R2 as DR and R1/R3 as neighbors, I am able to bring the OSPF adjacencies
> > up.
> > I'm using a /24 subnet so R3 shows up as directly connected to R1. Now
> > when
> > I try to ping R3 from R1, it fails because there is no direct
> > connectivity
> > between R1 and R3. Other than policy-based routing (making R2 as
> > next-hop),
> > is there an another way of make R1 and R3 reachable to each other?
> >
> > Appreciate your help.
> > Pranab
> >
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