SMC Networks SMC6724L3 manual 289

MULTICAST ROUTING COMMANDS

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.

Example

This example shows detailed multicast information for a specified group/ source pair

Console#show ip mroute 224.0.255.3 192.111.46.8

IP Multicast Forwarding is enabled.

IP Multicast Routing Table

Flags: P - Prune, F - Forwarding (192.111.46.0, 255.255.255.0, 224.0.255.3) Owner: DVMPR

Upstream Interface: vlan1

Upstream Router: 148.122.34.9

Downstream: vlan2(P), vlan3(F) Console#

Field	Description
Source and netmask	Subnetwork containing the IP multicast source.
Group address	IP multicast group address for a requested service.
Owner	The associated multicast protocol (i.e., DVMRP or
	PIM-DM).
Upstream Interface	Interface leading to the upstream neighbor.
Upstream Router	IP address of the multicast router immediately upstream for
	this group.
Downstream interface	The interface(s) on which multicast subscribers have been
and flags	recorded. The flags associated with each interface indicate
	prune (P) if the downstream interface has been recently
	terminated or forwarding (F) if the interface is still active.

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