From: xprtofnet (xprtofnet@yahoo.com)
Date: Thu Mar 30 2006 - 21:05:18 GMT-3
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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