Chapter 22
| Multicast Filtering Commands
Static Multicast Routing
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ip igmp snooping
vlan mrouter
This command statically configures a (Layer 2) multicast router port on the
specified VLAN. Use the no form to remove the configuration.
Syntax
[no] ip igmp snooping vlan vlan-id mrouter interface
vlan-id - VLAN ID (Range: 1-4094)
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-12/28)
port-channel channel-id (Range: 1-8/12)
Default Setting
No static multicast router ports are configured.
Command Mode
Global Configuration
Command Usage
â—† Depending on your network connections, IGMP snooping may not always be
able to locate the IGMP querier. Therefore, if the IGMP querier is a known
multicast router or switch connected over the network to an interface (port or
trunk) on this switch, that interface can be manually configured to join all the
current multicast groups.
â—† IGMP Snooping must be enabled globally on the switch (using the ip igmp
snooping command) before a multicast router port can take effect.
Example
The following shows how to configure port 11 as a multicast router port within VLAN
1.
Console(config)#ip igmp snooping vlan 1 mrouter ethernet 1/11
Console(config)#
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