3com S7906E Installationsanweisungen
1-39
Follow these steps to configure a routing policy for inter-provider VPN option C on an ASBR PE:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter routing policy view
route-policy policy-name
permit node seq-number
permit node seq-number
Required
Configure the device to match
IPv4 routes with labels
IPv4 routes with labels
if-match mpls-label
Required
Configure the device to assign
labels to IPv4 routes
labels to IPv4 routes
apply mpls-label
Required
By default, an IPv4 route does
not carry any label.
not carry any label.
For information about routing policy configuration, refer to Routing Policy Configuration in the IP
Routing Volume.
Configuring Nested VPN
For a network with many VPNs, if you want to implement layered management of VPNs and to conceal
the deployment of internal VPNs, nested VPN is a good solution. By using nested VPN, you can
implement layered management of internal VPNs easily with a low cost and simple management
operation.
Configuration Prerequisites
Before configuring nested VPN, configure the basic MPLS L3VPN capability. Refer to
Configuring Nested VPN
Follow these steps to configure nested VPN:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Enter BGP VPN instance view
ipv4-family vpn-instance
vpn-instance-name
vpn-instance-name
—
Configure a CE peer or peer
group
group
peer { group-name |
peer-address } as-number
number
peer-address } as-number
number
Required
Return to BGP view
quit
—
Enter BGP-VPNv4 subaddress
family view
family view
ipv4-family vpnv4
—