A network segment can belong to only one area. That is, you must specify to which
area each OSPF interface belongs.
OSPF can run on an interface if the following conditions are true:
– The mask length of the IP address on the interface must be equal to or longer than
the wildcard-mask specified in the network command.
– The primary IP address of the interface must be located in the network segment
specified in the network command.
For a loopback interface, OSPF advertises the IP address of the loopback interface as
a 32-bit host route by default, which bears no relation to the mask length configured
on the interface.
8. Run:
quit
Return to the OSPF view.
9. Run:
quit
Return to the system view.
10. Run:
bgp as-number
The BGP view is displayed.
11. Run:
ipv4-family vpn-instance vpn-instance-name
The BGP VPN instance view is displayed.
12. Run:
import-route ospf process-id [ med med | route-policy route-policy-name ]
*
The OSPF route is imported into the routing table of the BGP VPN instance.
NOTE
After a VPN instance is deleted, all related OSPF processes are deleted.
l Configuring IS-IS between PE and CE
Do as follows on the PE. The CE is configured with IS-IS. The configurations are common,
therefore not mentioned here.
NOTE
For details, see Quidway S7700 Smart Routing Switch Configuration Guide - IP Routing.
1. Run:
system-view
The system view is displayed.
2. Run:
isis process-id vpn-instance vpn-instance-name
The IS-IS instance between the CE and the PE is created and the IS-IS view is
displayed.
An IS-IS process belongs to only one VPN instance. If you run an IS-IS process
without binding it to a VPN instance, this process is considered as a public network
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 3 BGP MPLS IP VPN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
115
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