958 | Multicast
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ip multicast-mode l2
c
Enable Layer 2 multicast switching.
Syntax
ip multicast-mode l2
To return to the default Layer 3 multicast forwarding on the router, enter the no ip multicast-mode l2
command after you remove the static multicast MAC address (no mac-address-table static multicast
multicast-mac-address command).
Defaults
Disabled
Command Modes
CONFIGURATION
Command
History
Usage
Information
When a multicast source and multicast receivers are in the same VLAN, you can configure a router so
that multicast traffic is switched only to the ports assigned to a VLAN that is associated with a static
multicast MAC address. However, before you can configure a static MAC address and associate it with
a VLAN used to switch Layer 2 multicast traffic, you must enable the router for Layer 2 multicast
switching with the ip multicast-mode l2 command.
Related
Commands
ip multicast-routing
c e s
Enable IP multicast forwarding.
Syntax
ip multicast-routing
To disable multicast forwarding, enter no ip multicast-routing.
Defaults
Disabled
Command Modes
CONFIGURATION
Command
History
Usage
Information
You must enter this command to enable multicast on the E-Series.
After you enable multicast, you can enable IGMP and PIM on an interface. In the INTERFACE mode,
enter the ip pim sparse-mode command to enable IGMP and PIM on the interface.
Related
Commands
Version 8.4.2.5 Introduced on C-Series.
mac-address-table static Configure a static multicast MAC address, associate the multicast MAC address
with the Layer 2 VLAN used to switch multicast traffic, and add output ports.
E-Series legacy command
ip pim sparse-mode Enable IGMP and PIM on an interface.
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