Data Preparation
To complete the configuration, you need the following data:
l MPLS LSR-IDs of PE and P
l Name of the VPN instance, RD, and VPN target on the PE
l OSPF processes running on the interior of the backbone network and user networks, which
are different from that running on the PEs connected to CEs
l Cost of the sham link, which must be less than the cost for forwarding OSPF routes through
the user network
Procedure
Step 1 Configure OSPF on the user network.
Configure common OSPF on CE1, Switch and CE2 and advertise the segment address of each
interface.
# Configure CE1.
<Quidway> system-view
[Quidway] sysname CE1
[CE1] vlan batch 20 50
[CE1] interface gigabitethernet 2/0/0
[CE1-GigabitEthernet2/0/0] port hybrid pvid vlan 20
[CE1-GigabitEthernet2/0/0] port hybrid untagged vlan 20
[CE1-GigabitEthernet2/0/0] quit
[CE1] interface gigabitethernet 1/0/0
[CE1-GigabitEthernet1/0/0] port hybrid pvid vlan 50
[CE1-GigabitEthernet1/0/0] port hybrid untagged vlan 50
[CE1-GigabitEthernet1/0/0] quit
[CE1] interface vlanif 20
[CE1-Vlanif20] ip address 20.1.1.1 24
[CE1-Vlanif20] quit
[CE1] interface vlanif 50
[CE1-Vlanif50] ip address 100.1.1.1 24
[CE1-Vlanif50] quit
[CE1] ospf
[CE1-ospf-1] area 0
[CE1-ospf-1-area-0.0.0.0] network 20.1.1.0 0.0.0.255
[CE1-ospf-1-area-0.0.0.0] network 100.1.1.0 0.0.0.255
[CE1-ospf-1-area-0.0.0.0] quit
[CE1-ospf-1] quit
# Configure Switch.
<Quidway> system-view
[Quidway] sysname Switch
[Switch] vlan 20 30
[Switch] interface gigabitethernet 1/0/0
[Switch-GigabitEthernet1/0/0] port hybrid pvid vlan 20
[Switch-GigabitEthernet1/0/0] port hybrid untagged vlan 20
[Switch-GigabitEthernet1/0/0] quit
[Switch] interface gigabitethernet 2/0/0
[Switch-GigabitEthernet2/0/0] port hybrid pvid vlan 30
[Switch-GigabitEthernet2/0/0] port hybrid untagged vlan 30
[Switch-GigabitEthernet2/0/0] quit
[Switch] interface vlanif 20
[Switch-Vlanif20] ip address 20.1.1.2 24
[Switch-Vlanif20] quit
[Switch] interface vlanif 30
[Switch-Vlanif30] ip address 30.1.1.1 24
[Switch-Vlanif30] quit
[Switch] ospf
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.
247
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