4000 Router Series MPLS Configuration Guide

ManualsBrandsHP ManualsNetwork HardwareHP MSR3024 TAA-compliant AC Router

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Creating a VPN instance

A VPN instance is associated with a site. It is a collection of the VPN membership and routing rules of its

associated site. A VPN instance does not necessarily correspond to one VPN.

To create and configure a VPN instance:

Ste

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 is

created.

You can configure a maximum of

1023 VPN instances on a PE.

3. Configure an RD for the VPN

instance.

route-distinguisher

By default, no RD is specified.

4. (Optional.) Configure a

description for the VPN

instance.

description text

By default, no description is

configured for a VPN instance.

The description should contain the

VPN instance's related

information, such as its relationship

with a certain VPN.

5. (Optional.) Configure an ID

for the VPN instance.

vpn-id vpn-id

By default, no ID is configured for a

VPN instance.

Associating a VPN instance with an interface

After creating and configuring a VPN instance, associate the VPN instance with the interface connected

to the CE.

To associate a VPN instance with an interface:

Ste

Command

Remarks

1. Enter system view.

system-view N/A

2. Enter interface view.

interface interface-type

interface-number

N/A

3. Associate a VPN instance

with the interface.

ip binding vpn-instance

vpn-instance-name

By default, no VPN instance is

associated with an interface.

The ip binding vpn-instance

command clears the IP address of

the interface. Therefore,

re-configure an IP address for the

interface after configuring this

command.

Configuring route related attributes for a VPN instance

VPN routes are controlled and advertised on a PE using the following process:

• When a VPN route learned from a CE gets redistributed into BGP, BGP associates it with a route

target extended community attribute list, which is usually the export target attribute of the VPN

instance associated with the CE.