Ip Igmp Snooping Vlan Mrouter - Cisco Catalyst 2950 Command Reference Manual

Chapter 2 Cisco IOS Commands

ip igmp snooping vlan mrouter

Use the ip igmp snooping vlan mrouter global configuration command to add a multicast router port
and to configure the multicast router learning method. Use the no form of this command to remove the
configuration.
Syntax Description
vlan vlan-id
interface interface-id
learn
cgmp
pim-dvmrp
Defaults The default learning method is pim-dvmrp.
Command Modes Global configuration
Command History Release
12.0(5.2)WC(1)
Usage Guidelines
The CGMP learning method is useful for controlling traffic in Cisco router environments.
The configured learning method is saved in nonvolatile RAM (NVRAM).
Static connections to multicast routers are supported only on switch ports.
Examples This example shows how to configure Fast Ethernet interface 0/6 as a multicast router port:
Switch(config)# ip igmp snooping vlan 1 mrouter interface fastethernet0/6
This example shows how to specify the multicast router learning method as CGMP:
Switch(config)# no ip igmp snooping vlan 1 mrouter learn cgmp
78-11381-05
ip igmp snooping vlan vlan-id mrouter {interface interface-id | learn {cgmp | pim-dvmrp}}
no ip igmp snooping vlan vlan-id mrouter {interface interface-id | learn {cgmp | pim-dvmrp}}
Modification
This command was first introduced.
Specify the VLAN ID. The range is from 1 to 4094 when the
enhanced software image (EI) is installed and 1 to 1001 when the
standard software image (SI) is installed. Do not enter leading
zeros.
Specify the interface of the member port that is configured to a
static router port.
Specify the multicast router learning method.
Set the switch to learn multicast router ports by snooping on Cisco
Group Management Protocol (CGMP) packets.
Set the switch to learn multicast router ports by snooping on IGMP
queries and Protocol-Independent Multicasting-Distance Vector
Multicast Routing Protocol (PIM-DVMRP) packets.
Catalyst 2950 Desktop Switch Command Reference
ip igmp snooping vlan mrouter
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