From: Petr Lapukhov (petrsoft@gmail.com)
Date: Fri Mar 31 2006 - 01:52:18 GMT-3
Hi,
you forgot to specify "bidir" keyword in RP announces
ip pim send-rp-announce loopback 0 scope 10 bidir
^^^
HTH
Petr
2006/3/31, xprtofnet <xprtofnet@yahoo.com>:
>
> Folks,
>
> how do you verify mcast ? i can see the mroute to see
> if a group is dense/sparse. what about bidir ? and ssm
> ? i do see the mroute options B for bidir and s for
> ssm but after configuring bidir i do not see the bidir
> group.
> e1--ip igmp-join 224.6.6.6
> /
> R1_e0_____e0_R2 (RP)
>
> R1
> ip multicast-routing
> !
> ip pim bidir-enable
> !
> e0
> ip pim sparse-dense
> ---
> R2
> ip multicast-routing
> !
> ip pim bidir-enable
> ip pim send-rp-announce Ethernet0 scope 1
> ip pim send-rp-discovery Ethernet0 scope 1
> !
> e0
> ip pim sparse-dense
> !
> e1
> ip igmp join-group 224.6.6.6
> !
>
> After a ping from R1 to 224.6.6.6:
> R2#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
>
> (*, 224.6.6.6), 00:00:07/stopped, RP 3.1.56.6, flags:
> SPL
> Incoming interface: Null, RPF nbr 0.0.0.0
> Outgoing interface list: Null
>
> (3.1.56.5, 224.6.6.6), 00:00:07/00:02:53, flags: PLT
> Incoming interface: Ethernet1/0, RPF nbr 0.0.0.0
> Outgoing interface list: Null
>
> (*, 224.0.1.39), 00:21:06/00:02:50, RP 0.0.0.0, flags:
> DCL
> Incoming interface: Null, RPF nbr 0.0.0.0
> Outgoing interface list:
> Ethernet1/0, Forward/Sparse-Dense,
> 00:21:06/00:00:00
>
> (*, 224.0.1.40), 00:21:48/00:02:42, RP 0.0.0.0, flags:
> DCL
> Incoming interface: Null, RPF nbr 0.0.0.0
> Outgoing interface list:
> Ethernet1/0, Forward/Sparse-Dense,
> 00:21:48/00:00:00
>
> so what tells me my bidir is working ?
>
> thank you in advance
>
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