Associating an vpn instance with an interface – H3C Technologies H3C S7500E Series Switches User Manual
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To do…
Use the command…
Remarks
Create a VPN instance and
enter VPN instance view
ip vpn-instance
vpn-instance-name
Required
By default, no VPN instance is present.
Configure an RD for the VPN
instance
route-distinguisher
route-distinguisher
Required
By default, a VPN instance has no RD
configured.
Set the description
information for the VPN
instance
description text
Optional
By default, a VPN instance has no
description configured.
The RD configured for a VPN instance on the MCE device must be same as that configured for the
VPN instance on the PE device.
Associating an VPN Instance with an Interface
After creating a VPN instance, you need to associate it with the interface connecting a site to a PE.
Follow these steps to associate an VPN instance with an interface:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter interface view of the
interface to be associated
interface interface-type
interface-number
—
Associate the current interface
with the VPN instance
ip binding vpn-instance
vpn-instance-name
Required
By default, no interface is associated
with a VPN instance.
Executing the ip binding vpn-instance command invalidates the IP address configured for the
current interface, so you need to configure an IP address for an interface again after associating the
interface with a VPN instance.
Configuring the Route-related Attributes for a VPN Instance
The process of advertising VPN routes is as follows: