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ip multicast-routing
ip multicast-routing
To enable IP multicast routing, use the ip multicast-routing command in global configuration mode.
To disable IP multicast routing, use the no form of this command.
Syntax Description
vrf vrf-name
Defaults
IP multicast routing is disabled.
Command Modes
Global configuration
Command History
Release
10.0
11.2(11)GS
12.0(5)T
12.0(23)S
12.2(13)T
12.2(14)S
12.2(18)SXE
12.2(27)SBC
12.2(33)SRA
12.4(20)MR
12.2(33)MRA
15.0(1)MR
Usage Guidelines
When IP multicast routing is disabled, the Cisco IOS software does not forward any multicast packets.
Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
184
ip multicast-routing [vrf vrf-name]
no ip multicast-routing [vrf vrf-name]
(Optional) Enables IP multicast routing for the Multicast Virtual Private
Network (VPN) routing and forwarding (MVRF) instance specified for the
vrf-name argument.
Modification
This command was introduced.
The distributed keyword was added.
The effect of this command was modified. If IP multicast Multilayer
Switching (MLS) is enabled, using the no form of this command now
disables IP multicast routing on the Multicast MultiLayer Switching
(MMLS) route processor (RP) and purges all multicast MLS cache entries
on the MMLS-SE.
The vrf keyword and vrf-name argument were added.
The vrf keyword and vrf-name argument were added.
This command was integrated into Cisco IOS Release 12.2(14)S.
Support for this command was introduced on the Supervisor Engine 720.
This command was integrated into Cisco IOS Release 12.2(27)SBC.
This command was integrated into Cisco IOS Release 12.2(33)SRA.
This command was integrated into Cisco IOS Release 12.4(20)MR.
This command was integrated into Cisco IOS Release 12.2(33)MRA.
This command was integrated into Cisco IOS Release 15.0(1)MR.
Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
OL-23890-01
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