3com S7906E Instruccion De Instalación
1-9
z
ACL rule for multicast group filtering
z
The maximum number of multicast groups that can be joined on an interface
Enabling IGMP
First, IGMP must be enabled on the interface on which the multicast group memberships are to be
established and maintained.
Enabling IGMP in the public instance
Follow these steps to enable IGMP in the public instance:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enable IP multicast routing
multicast routing-enable
Required
Disabled by default
Enter interface view
interface interface-type
interface-number
interface-number
—
Enable IGMP
igmp enable
Required
Disabled by default
Enabling IGMP in a VPN instance
Follow these steps to enable IGMP in a VPN instance:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Create a VPN instance and
enter VPN instance view
enter VPN instance view
ip vpn-instance
vpn-instance-name
vpn-instance-name
—
Configure an RD for the VPN
instance
instance
route-distinguisher
route-distinguisher
route-distinguisher
Required
No RD is configured by default.
Enable IP multicast routing
multicast routing-enable
Required
Disabled by default
Enter interface view
interface interface-type
interface-number
interface-number
—
Enable IGMP
igmp enable
Required
Disabled by default
z
For details about the ip vpn-instance and route-distinguisher commands, see MPLS L3VPN
Commands in the MPLS Volume.
z
For details about the multicast routing-table command, see Multicast Routing and Forwarding
Commands in the IP Multicast Volume.