HP MSR2000/3000/4000 Router Series IP Multicast Configuration Guide

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• Determine the default-group addresses.
• Determine the source address for establishing BGP peers.
Enabling IP multicast routing in a VPN instance
Before you configure any MD-VPN functionality for a VPN, you must create a VPN instance and enable
IP multicast routing in this VPN instance.
Perform the following configuration on the PE.
To enable IP multicast routing in a VPN instance:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a VPN instance and
enter VPN instance view.
ip vpn-instance vpn-instance-name
By default, no VPN instance exists
on the device.
For more information about this
command, see MPLS Command
Reference.
3. Configure an RD for the VPN
instance.
route-distinguisher
route-distinguisher
By default, no RD is configured for
a VPN instance.
For more information about this
command, see MPLS Command
Reference.
4. Return to system view.
quit N/A
5. Enable IP multicast routing for
the VPN instance and enter
MRIB view of this VPN
instance.
multicast routing vpn-instance
vpn-instance-name
Disabled by default.
Creating the MD for a VPN instance
You can create one or multiple MDs to provide services for their associated VPN instances on the PE
device. When you create the MD for a VPN instance, the system automatically create the MTI interfaces
and bind them with the VPN instance.
To create the MD for a VPN instance:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create the MD for the VPN
instance and enter MD view.
multicast-domain vpn-instance
vpn-instance-name
By default, no MD exists for a VPN
instance.
Specifying the default-group address
The MTI uses the default-group address as the destination address to encapsulate the VPN multicast
packets. The default-group address must be the same and unique for the same VPN instance on different