3Com S7906E - Switch, Руководство по настройке

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To do… Use the command… Remarks
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:
z
When the switch learns a VPN route from a site and injects it into BGP, BGP associates the route
with a VPN target extended community attribute list, which is normally the export route attribute list
of the VPN instance.
z
A VPN instance determines whether to accept a received route according to the VPN target import
extended community attribute list associated with the route and the setting specified by the
vpn-target command.
z
A VPN instance modifies the export VPN target attribute according to the setting specified by the
vpn-target command.
Follow these steps to configure the route-related attributes for a VPN instance: