Huawei AR1200 Series - Binding an Interface with a VPN Instance

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NOTE

The name of a VPN instance is case-sensitive. For example, "vpn1" and "VPN1" are taken as different

VPN instances.

Step 3 Run the route-distinguisher route-distinguisher command to configure an RD for the VPN

instance.

The RD does not have a default value; therefore, you must configure an RD when creating a

VPN instance.

A VPN instance takes effect only after it is configured with an RD. The RDs of different VPN

instances on a device should be different.

Before configuring an RD, you can configure only the description.

Step 4 (Optional) Run the description description command to configure the description for the VPN

instance.

By default, no description is configured for a VPN instance.

The description is similar to that of the host name and interface, which can be used to record

information about the relationship between a VPN instance and a VPN.

Step 5 (Optional) Run the routing-table limit number { alert-percent | simply-alert } command to set

the maximum number of routes supported by the VPN instance.

By default, the maximum number of routes supported by a VPN instance is not set.

To prevent excessive routes from being imported, set the maximum number of routes supported

by a VPN instance.

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2.2.3 Binding an Interface with a VPN Instance

After associating an interface with a VPN instance, you can change the interface to a VPN

interface. As a result, packets that pass through the interface are forwarded according to the

forwarding information of the VPN instance, and Layer 3 attributes such as the IP address and

routing protocol that are configured for the interface, are deleted. These Layer 3 attributes need

to be re-configured if required.

Context

Do as follows on the PE that is connected to the CE.

Procedure

Step 1 Run:

system-view

The system view is displayed.

Step 2 Run:

interface interface-type interface-number

The view of the interface that is to be bound with the VPN instance is displayed.

Step 3 Run:

ip binding vpn-instance vpn-instance-name

Huawei AR1200 Series Enterprise Routers

Configuration Guide - VPN 2 MCE Configuration

Issue 01 (2012-04-20) Huawei Proprietary and Confidential

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