Chapter 30
| Multicast Routing Commands
General Multicast Routing
– 1014 –
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
â—† This command is used to enable IPv4 multicast routing globally for the router.
A specific multicast routing protocol also needs to be enabled on the interfaces
that will support multicast routing using the router pim command, and then
specify the interfaces that will support multicast routing using the ip pim
dense-mode or ip pim sparse-mode commands.
â—† To use multicast routing, IGMP proxy can not enabled on any interface of the
device (see ip igmp proxy on page 638).
Example
Console(config)#ip multicast-routing
Console(config)#
show ip mroute This command displays the IPv4 multicast routing table.
Syntax
show ip mroute [group-address source] [summary]
group-address - An IPv4 multicast group address with subscribers directly
attached or downstream from this router.
source - The IPv4 subnetwork at the root of the multicast delivery tree. This
subnetwork contains a known multicast source.
summary - Displays summary information for each entry in the IP multicast
routing table.
Command Mode
Privileged Exec
Command Usage
This command displays information for multicast routing. If no optional parameters
are selected, detailed information for each entry in the multicast address table is
displayed. If you select a multicast group and source pair, detailed information is
displayed only for the specified entry. If the summary option is selected, an
abbreviated list of information for each entry is displayed on a single line.
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