From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Wed Jan 04 2006 - 17:01:54 GMT-3
Send traffic from VLAN 6 to the destination and "debug ip
mpacket" on R3. Make sure to issue the "no ip mroute-cache" interface
level command on R3. What do these results tell you?
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
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> -----Original Message-----
> From: Greg Gombas [mailto:ggombas@hotmail.com]
> Sent: Wednesday, January 04, 2006 1:36 PM
> To: Brian McGahan; ccielab@groupstudy.com
> Subject: RE: IE Vol1 LAB 2 Multicast over Frame Relay Cloud
>
> Hi Brian,
>
> In my first posting I forgot to mention the additional point to point
link
> between R2 and R3 which is exchanging EIGRP.
> This point-to-point link is the preffered path to the loopback address
of
> R2.
> Unfortunately the task requirement does not allow you to configure PIM
on
> this point to point link.
>
> It looks like this:
>
> R6 (Source)
> |
> R2-
> / \ \
> R1----R3
> |
> SW1 (Receiver)
>
> Can you tell me why an mroute on R3 pointing to the frame relay
interface
> of
> R2 allows this to work?
>
> ----Original Message Follows----
> From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
> To: "Greg Gombas" <ggombas@hotmail.com>,<ccielab@groupstudy.com>
> Subject: RE: IE Vol1 LAB 2 Multicast over Frame Relay Cloud
> Date: Wed, 4 Jan 2006 12:49:02 -0500
>
> If they are in a full mesh why would R1 see R3 as the next-hop to
reach
> R2?
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987 x 705
> Outside US: 775-826-4344 x 705
> 24/7 Support: http://forum.internetworkexpert.com
> Live Chat: http://www.internetworkexpert.com/chat/
>
> ________________________________
>
> From: nobody@groupstudy.com on behalf of Greg Gombas
> Sent: Tue 1/3/2006 4:40 PM
> To: ccielab@groupstudy.com
> Subject: IE Vol1 LAB 2 Multicast over Frame Relay Cloud
>
>
>
> Hello,
>
> I was hoping someone help me figure out this scenario.
>
> R6 (Source)
> |
> R2
> / \
> R1----R3
> |
> SW1 (Receiver)
>
> R1, R2 and R3 are connected via a full frame relay mesh.
> OSPF is runnig on the frame relay mesh in point-to-multipoint mode.
>
> R2 is acting as RP with static RP configured on all devices.
>
> R1 is showing R3 as next hop to RP.
>
> I am doing debug ip pim on all devices and I can see that R1 is
sending
> the
> PIM join message from SW1 to R3 but R3 is not forwarding the join
message
> to
> R2.
>
> I did all the debugs I can think of on R3 but there is no indication
of an
> RPF failure. How can I troubleshoot this?
>
> Thanks,
> Greg
>
>
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