Creating An Md For A Vpn Instance - HP FlexNetwork 7500 Series Configuration Manual

Creating an 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 an MD for a VPN instance, the system automatically create MTI interfaces
and bind them with the VPN instance.
Perform this task on PE devices.
To create an MD for a VPN instance:
Step
Enter system view.
1.
Create an MD for the VPN
2.
instance and enter MD view.
Specifying the default-group
The MTI uses the default-group as the destination address to encapsulate VPN multicast packets.
Configuration restrictions and guidelines
When you specify the default group, follow these restrictions and guidelines:
•
Perform this task on PE devices.
•
You must specify the same default-group on all PE devices that belong to the same VPN
instance.
•
The default-group for a VPN instance must be different from the default-group and the
data-group used by any other VPN instance.
Configuration procedure
To specify the default-group:
Step
Enter system view.
1.
Enter MD view.
2.
Specify the default-group.
3.
Specifying the MD source interface
The MTI uses the IP address of the MD source interface as the source address to encapsulate the
VPN multicast packets. The IP address of the MD source interface must be the same as the source
address used for establishing BGP peer relationship. Otherwise, correct routing information cannot
be obtained.
Perform this task on PE devices.
To specify the MD source interface:
Step
Enter system view.
1.
Command
system-view
multicast-domain vpn-instance
vpn-instance-name
Command
system-view
multicast-domain vpn-instance
vpn-instance-name
default-group group-address
Command
system-view
195
Remarks
N/A
By default, a VPN instance is not
configured with an MD.
Remarks
N/A
N/A
By default, an MD is not
configured with a default-group.
Remarks
N/A