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1342 CHAPTER 87: MULTICAST ROUTING AND FORWARDING CONFIGURATION COMMANDS
Use the undo multicast routing-enable command 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-name | all-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.