From: Daniel Fredrick (dfredrick@gmail.com)
Date: Sun Aug 27 2006 - 23:28:30 ART
R4
ip multicast-routing
interface Serial0/0
ip address 174.1.145.4 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
R5
no ip pim dm-fallback
ip pim autorp listener
ip pim spt-threshold 128
ip multicast-routing
interface Serial0/0
ip address 174.1.145.5 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
R1
ip multicast-routing
no ip pim dm-fallback
ip pim autorp listener
ip pim spt-threshold 128
ip pim send-rp-announce Loopback0 scope 15 group-list 30
ip pim send-rp-discovery Loopback0 scope 10
interface Serial0/0
ip address 174.1.145.1 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
This time... I by-passed the R3 and just made the R1 router the MA as well
as the RP.
Thanks for helping.
Dan
On 28 Aug 2006 10:13:00 +0800, Angelo De Guzman <
a.deguzman@wesolv.ph.fujitsu.com> wrote:
>
>
> Can you post your relevant multicast config?
>
> dfredrick@gmail.com (8/28/06 3:10 AM):
> >
> >Hi...
> >
> >I have this configuration...
> >
> >
> > (R4)
> > \s0/0
> > \~~~~~
> > ( ) <rp> <ma>
> > ( )-----(R1)-----(R3)
> > ( ) s0/0 s1/0
> > /~~~~~
> > s0/0 /
> > (R5)
> >
> >
> >The problem is R4 and R5 are not seeing an RP...
> >
> >
> >Rack1R5#sho ip pim rp map
> >PIM Group-to-RP Mappings
> >
> >Rack1R5#
> >
> >
> >This configuration requires RPs to be map via Auto-RP.
> >
> >I used enabled sparse-mode and nbma-mode on r1,r4, and r5 s0/0
> interfaces.
> >
> >I enable ip pim autorp listener on r1, r4 and r5 as well.
> >
> >========================================================================
> >Rack1R5#sho 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
> >
> >(*, 224.0.1.39), 00:18:35/stopped, RP 0.0.0.0, flags: DC
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, Forward/Sparse, 00:18:35/00:00:00
> >
> >(150.1.1.1, 224.0.1.39), 00:00:10/00:02:49, flags: PTX
> > Incoming interface: Serial0/0, RPF nbr 174.1.145.1
> > Outgoing interface list: Null
> >
> >(*, 224.0.1.40), 00:18:44/00:02:27, RP 0.0.0.0, flags: DCL
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > Serial0/0, Forward/Sparse, 00:18:45/00:00:00
>
> >===========================================================================
> >
> >I even tried putting the MA on R1... still not seeing an RP...
> >
> >I am sure there is something simple I am overlooking.
> >
> >Is there any good multicast troubleshooting sites? Or good mulitcast
> books? I
> read Jeff Doyle's Routing TCP/IP book. But I am still multicast dumb
> apparently.
> >
> >
> >Any help would be appreciated.
> >
> >Thanks,
> >Dan
> >
> >_______________________________________________________________________
> >Subscription information may be found at:
> >http://www.groupstudy.com/list/CCIELab.html
> >
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