Name: Cisco 4500M
Brand: Cisco
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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW

78-16201-01

Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches

ip igmp snooping vlan mrouter

To statically configure an Layer 2 interface as a multicast router interface for a VLAN, use the ip igmp

snooping vlan mrouter command. To remove the configuration, use the no form of this command.

ip igmp snooping vlan vlan-id mrouter {interface {{FastEthernet slot/port} |

{GigabitEthernet slot/port} | {port-channel number}} |

{learn {cgmp | pim-dvmrp}}

no ip igmp snooping vlan vlan-id mrouter {interface {FastEthernet slot/port} |

{GigabitEthernet slot/port} | {port-channel number}} |

{learn {cgmp | pim-dvmrp}}

Syntax Description

Defaults Multicast switch snooping PIM-DVMRP packets are specified.

Command Modes Interface configuration

Command History

Usage Guidelines You enter this command in VLAN interface configuration mode only.

The interface to the switch must be in the VLAN where you are entering the command. It must be both

administratively up and line protocol up.

The CGMP learning method can decrease control traffic.

The learning method you configure is saved in NVRAM.

Static connections to multicast interfaces are supported only on switch interfaces.

vlan vlan-id Specifies the VLAN ID number to use in the command; valid values are

from 1to4094.

interface Specifies the next-hop interface to multicast switch.

FastEthernet Specifies the Fast Ethernet interface.

slot/port Number of the slot and port.

GigabitEthernet Specifies the Gigabit Ethernet interface.

port-channel number Port channel number; valid values are from 1 to 64.

learn Specifies the multicast switch learning method.

cgmp Specifies the multicast switch snooping CGMP packets.

pim-dvmrp Specifies the multicast switch snooping PIM-DVMRP packets.

Release Modification

12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.

12.1(12c)EW Support for extended addressing was added.

Cisco 4500M Command Reference

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