Binding The Gre Tunnel With The Vpn To Which Ce Belongs On Pe; Checking The Configuration - Huawei AR1200 series Configuration Manual

Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN
1.4.4 Binding the GRE Tunnel with the VPN to Which CE belongs
on PE
Bind the tunnel interface on the PE that connects the CE to a VPN instance. Then, the tunnel
interface becomes a VPN interface. The packets sent from the VPN interface are forwarded
based on forwarding information in the VPN instance.
Context
Perform the following steps on the PE.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface tunnel interface-number
The tunnel interface is created and the tunnel interface view is displayed.
Step 3 Run:
ip binding vpn-instance vpn-instance-name
Bind the GRE tunnel with the VPN instance.
Step 4 Choose one of the following commands to configure the IP address of the tunnel interface.
l Run the ip address ip-address { mask | mask-length } [ sub ] command to assign an IP address
l Run the ip address unnumbered interface interface-type interface-number command to
----End

1.4.5 Checking the Configuration

After a GRE tunnel is set up between a CE and a PE, you can view routes to a specified VPN.
Prerequisites
The GRE tunnel between the CE and the PE is fully configured.
Issue 01 (2012-04-20)
NOTE
The running of the ip binding vpn-instance command on a tunnel interface can delete the Layer 3 attributes,
such as the IP address and routing protocol. If these Layer 3 attributes are still required, configure them
again.
A tunnel interface cannot be bound to any VPN instance that is not enabled with an address family.
Disabling a VPN instance address family deletes the Layer 3 attributes, such as the IP address and routing
protocol of the tunnel interface bound to the VPN instance. Disabling all VPN instance address families
unbinds all the bound tunnel interfaces from the VPN instance.
to the tunnel interface.
configure IP unnumbered for the tunnel interface.
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