R2511-HP MSR Router Series IP Multicast Command Reference(V5)
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Usage guidelines
You must enable IP multicast routing on the public network or VPN instance before you can execute other
Layer 3 multicast commands in the corresponding instance.
The device does not forward any multicast packets before IP multicast routing is enabled.
Examples
# Enable IP multicast routing on the public network.
<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
Use reset multicast forwarding-table to clear the multicast forwarding table.
Syntax
reset multicast [ all-instance | vpn-instance vpn-instance-name ] forwarding-table { { source-address
[ mask { mask | mask-length } ] | group-address [ mask { mask | mask-length } ] | incoming-interface
{ interface-type interface-number | register } } * | all }
Views
User view
Default command level
2: System level
Parameters
all-instance: Specifies all VPN instances.
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN by its name, a case-sensitive string of 1 to 31
characters.
source-address: Specifies a multicast source address.
group-address: Specifies a multicast group address in the range of 224.0.0.0 to 239.255.255.255.
mask: Specifies the mask of the multicast group address or multicast source address, 255.255.255.255
by default.
mask-length: Specifies the mask length of the multicast group address or multicast 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.
incoming-interface: Specifies the multicast forwarding entries, where the incoming interface is the
specified one.
interface-type interface-number: Specifies an interface by its type and number.
register: Specifies the multicast forwarding entries, where the incoming interface is the specified register
interface of PIM-SM.










