To verify the
configuration parameters for basic multicast forwarding, use the
show
ip
mroute command as shown in the following example:
Router# show 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, E - Extranet,
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,
V - RD & Vector, v - Vector
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 230.1.1.1), 00:00:03/00:02:55, RP 30.1.1.1, flags: S
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Bundle1, Forward/Sparse, 00:00:03/00:02:55, H
(*, 224.0.1.40), 00:12:02/00:02:19, RP 30.1.1.1, flags: SJCL
Incoming interface: Null, RPF nbr 0.0.0.0
Outgoing interface list:
Bundle1, Forward/Sparse, 00:12:02/00:02:19
To verify the
multicast information for the specified virtual interface bundle, based on
IGMPv3, use the
show
cable
bundle
multicast
command as shown in the following example:
Router# show cable bundle 1 multicast
CableBundle Interface Source IP Multicast IP MAC Address
1 Bundle1.1 * 230.1.1.1 0100.5e00.0001
To verify the MAC
forwarding table for the specified virtual interface bundle, based on IGMPv3,
use the
show
cable
bundle
forwarding
command as shown in the following example:
Router# show cable bundle 1 forwarding
MAC address Interface Flags Location link sublink
00c0.5e01.0203 Cable8/0/0 3 64E5BF60 0 64E5BE00
00c0.5e01.0203 Cable7/0/0 3 64E5BE00 0 0
00c0.5e01.0101 Cable8/0/0 3 64E5BEE0 0 64E5BE40