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NXA-ENET24 - Software Management Guide
Static Multicast Routing Commands
IGMP Query Commands (Layer 2 - Cont.)
Command Function
ip igmp snooping router-port-
expire-time
This command configures the query
timeout.
Use the no form to restore the
default.
Syntax:
ip igmp snooping router-port-expire-time seconds
no ip igmp snooping router-port-expire-time
• seconds - The time the switch waits after the previous querier stops
before it considers the router port (i.e., the interface which had been
receiving query packets) to have expired. (Range: 300-500)
Default Setting: 300 seconds
Command Mode: Global Configuration
Command Usage: The switch must use IGMPv2 for this command to
take effect.
Example: The following shows how to configure the default timeout to
300 seconds:
Console(config)#ip igmp snooping router-port-expire-time
300
Console(config)#
Static Multicast Routing Commands
Command Function
ip igmp snooping vlan mrouter
This command statically configures a
multicast router port.
Use the no form to remove the con-
figuration.
Syntax:
[no] ip igmp snooping vlan vlan-id mrouter interface
• vlan-id - VLAN ID (Range: 1-4094)
• interface
ethernet unit/port
unit - Stack unit. (Range: 1-8)
port - Port number. (Range: 1-26)
port-channel channel-id (Range: 1-4)
Default Setting: No static multicast router ports are configured.
Command Mode: Global Configuration
Command Usage: Depending on your network connections, IGMP
snooping may not always be able to locate the IGMP querier. There-
fore, if the IGMP querier is a known multicast router/switch connected
over the network to an interface (port or trunk) on your router, you can
manually configure that interface to join all the current multicast groups.
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)#
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: 1-4094)
Default Setting: Displays multicast router ports for all configured
VLANs.
Command Mode: Privileged Exec
Command Usage: Multicast router port types displayed include Static.
Example: The following shows that port 11 in VLAN 1 is attached to a
multicast router:
Console#show ip igmp snooping mrouter vlan 1
VLAN M'cast Router Ports Type
---- ------------------- -------
1 Eth 1/11 Static
2 Eth 1/12 Static
Console#