From: Jason Madsen (madsen.jason@gmail.com)
Date: Thu Jul 03 2008 - 02:08:11 ART
I didn't look at your complete set of config's, but seeing that your
disconnect is across a frame link you may want to try using "*ip pim
nbma-mode"* (both ends of frame link).
Jason
On Wed, Jul 2, 2008 at 7:03 PM, Mark Stephanus Chandra <
mark.chandra@gmail.com> wrote:
> I Have Check it, no problem with rpf.
>
> Just to make it clear, rpf is considered okay if the incoming packet from
> r1
> to sw2 must be go out back with the sam interface right ?
>
> Regards
>
>
> Mark Stephanus Chandra
> IT Consultant
>
> -----Original Message-----
> From: SAM Meng Wai [mailto:mwsam@starhub.com]
> Sent: 03 Juli 2008 5:38
> To: Mark Stephanus Chandra
> Subject: RE: Multicast Problem
>
> Hi,
>
> Can you check SW2 for any rpf issue to R1 source IP addresss ?
>
> Rgds
>
> ________________________________
>
> From: nobody@groupstudy.com on behalf of Mark Stephanus Chandra
> Sent: Thu 7/3/2008 1:47 AM
> To: ccielab@groupstudy.com
> Subject: Multicast Problem
>
>
>
> Hi all,
>
>
>
> I have a question About Multicast
>
>
>
> Topology :
>
>
>
> R1-----FRAME RELAY Point to Point ------R3----ethernet---SW2---ethernet ip
> igmp join group 239.23.23.23
>
>
>
> R3 is the autorp and the mapping agent.
>
>
>
> I can do ping from R3 to the group 239.23.23.23
>
>
>
> But I cannot ping it from R1 :
>
>
>
> R1#sh ip mroute
>
> IP Multicast Routing Table
>
> Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C -
> Connected,
>
> L - Local, P - Pruned, R - RP-bit set, F - Register flag,
>
> T - SPT-bit set, J - Join SPT, M - MSDP created entry,
>
> X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
>
> U - URD, I - Received Source Specific Host Report,
>
> Z - Multicast Tunnel, z - MDT-data group sender,
>
> Y - Joined MDT-data group, y - Sending to MDT-data group
>
> Outgoing interface flags: H - Hardware switched, A - Assert winner
>
> Timers: Uptime/Expires
>
> Interface state: Interface, Next-Hop or VCD, State/Mode
>
>
>
> (*, 239.23.23.23), 00:01:07/stopped, RP 150.1.3.3, flags: SP
>
> Incoming interface: Serial1/0, RPF nbr 162.1.13.3
>
> Outgoing interface list: Null
>
>
>
> (162.1.13.3, 239.23.23.23), 00:01:07/00:01:54, flags: PT
>
> Incoming interface: Serial1/0, RPF nbr 0.0.0.0
>
> Outgoing interface list: Null
>
>
>
> (*, 224.0.1.39), 01:43:48/stopped, RP 0.0.0.0, flags: DC
>
> Incoming interface: Null, RPF nbr 0.0.0.0
>
> Outgoing interface list:
>
> Serial1/0, Forward/Sparse-Dense, 01:43:48/00:00:00
>
>
>
> (150.1.3.3, 224.0.1.39), 00:02:34/00:00:25, flags: PT
>
> Incoming interface: Serial1/0, RPF nbr 162.1.13.3
>
> Outgoing interface list: Null
>
>
>
> (*, 224.0.1.40), 01:44:28/stopped, RP 0.0.0.0, flags: DCL
>
>
>
> R1#sh ip pim rp
>
> Group: 239.23.23.23, RP: 150.1.3.3, v2, v1, uptime 01:38:37, expires
> 00:02:17
>
> R1#ping 239.23.23.23
>
>
>
> Type escape sequence to abort.
>
> Sending 1, 100-byte ICMP Echos to 239.23.23.23, timeout is 2 seconds:
>
> .
>
> R1#
>
>
>
> R1#mtrace 162.1.13.1 239.23.23.23
>
> Type escape sequence to abort.
>
> Mtrace from 162.1.13.1 to 162.1.13.1 via group 239.23.23.23
>
> From source (?) to destination (?)
>
> Querying full reverse path... * switching to hop-by-hop:
>
> 0 162.1.13.1
>
> -1 * * * Timed out receiving responses
>
> Perhaps no local router has a route for source, the receiver is not
>
> a member of the multicast group or the multicast ttl is too low.
>
>
>
> Can you guys figure it out why I cannot ping the group address
>
>
>
> Mark Stephanus Chandra
> IT Consultant
>
>
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