Multicast Filtering Commands
4-261
4
show ip igmp snooping mrouter
This command displays information on statically configured and dynamically learned
multicast router ports.
Syntax
show ip igmp snooping mrouter [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4093)
Default Setting
Displays multicast router ports for all configured VLANs.
Command Mode
Privileged Exec
Command Usage
Multicast router port types displayed include Static or Dynamic.
Example
The following shows that port 11 in VLAN 1 is attached to a multicast router.
Multicast VLAN Registration Commands
This section describes commands used to configure Multicast VLAN Registration
(MVR). A single network-wide VLAN can be used to transmit multicast traffic (such
as television channels) across a service provider’s network. Any multicast traffic
entering an MVR VLAN is sent to all subscribers. This can significantly reduce to
processing overhead required to dynamically monitor and establish the distribution
tree for a normal multicast VLAN. Also note that MVR maintains the user isolation
and data security provided by VLAN segregation by passing only multicast traffic
into other VLANs to which the subscribers belong.
Console#show ip igmp snooping mrouter vlan 1
VLAN M'cast Router Ports Type
---- ------------------- -------
1 Eth 1/11 Static
2 Eth 1/12 Dynamic
Console#
Table 3-12 Multicast VLAN Registration Commands
Command Function Mode Page
mvr Globally enables MVR, statically configures MVR group address(es), or
specifies the MVR VLAN identifier
GC 4-262
mvr Configures an interface as an MVR receiver or source port, or
configures an interface as a static member of the MVR VLAN
IC 4-263
mvr immediate Enables immediate leave capability IC 4-264
show mvr Shows information about the global MVR configuration settings, the
interfaces attached to the MVR VLAN, or the multicast groups assigned
to the MVR VLAN
PE 4-265
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