3com S7906E 설치 설명서

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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 
Required 
Configure the device to match 
IPv4 routes with labels 
if-match mpls-label 
Required 
Configure the device to assign 
labels to IPv4 routes 
apply mpls-label 
Required 
By default, an IPv4 route does 
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 
— 
Configure a CE peer or peer 
group 
peer group-name | 
peer-address 
as-number 
number  
Required 
Return to BGP view 
quit 
— 
Enter BGP-VPNv4 subaddress 
family view 
ipv4-family vpnv4 
—