3Com MSR 30 Reset multicast forwarding-table, # Enable IP multicast routing in VPN instance mvpn

1342 CHAPTER 87: MULTICAST ROUTING AND FORWARDING CONFIGURATION COMMANDS

Use the undo multicast routing-enablecommand to disable IP multicast routing.

IP multicast routing is disabled by default.

Note that:

■You must enable IP multicast routing in the public instance or VPN instance before you can carry out other Layer 3 multicast commands in the corresponding instance.

■The device does not forward any multicast packets before IP multicast routing is enabled.

Example # Enable IP multicast routing in the public instance.

<Sysname> system-view

[Sysname] multicast routing-enable

# Enable IP multicast routing in VPN instance mvpn.

<Sysname> system-view

[Sysname] ip vpn-instance mvpn

[Sysname-vpn-instance-mvpn] route-distinguisher 100:1

[Sysname-vpn-instance-mvpn] multicast routing-enable

reset multicast forwarding-table

Syntax reset multicast [ vpn-instance vpn-instance-nameall-instance ] forwarding-table

{{ source-address [ mask { mask mask-length } ] group-address [ mask { mask mask-length } ] incoming-interface{ interface-type interface-number register } } * all }

View User view

Parameter vpn-instance-name: VPN instance name, a case sensitive string of up to 31 characters.

all-instance: Specifies all VPN instances.

source-address: Multicast source address.

group-address: Multicast group address, in the range of 224.0.1.0 to 239.255.255.255.

mask: Mask of the multicast group/source address, 255.255.255.255 by default.

mask-length: Mask length of the multicast group/source address. For a multicast group address, this argument has an effective value range of 4 to 32; for a multicast source address, this argument has an effective value range of 0 to 32. The system default is 32 in both cases.