HP 12500 Series Configuration Manual page 265

Use iBGP to exchange VPN routing information between CE and PE.
In the MPLS backbone, use OSPF to ensure IP connectivity use MP-iBGP to exchange VPN routing
information.
Figure 67 Network diagram
Loop0
Vlan-int11
Loop0
Vlan-int12
Loop0
Device
PE 1
CE 1
CE 2
CE 3
Configuration procedure
Configure an IGP on the MPLS backbone to ensure IP connectivity within the backbone.
1.
# Configure PE 1.
<PE1> system-view
[PE1] interface loopback 0
[PE1-LoopBack0] ip address 1.1.1.9 32
[PE1-LoopBack0] quit
[PE1] interface vlan-interface 13
[PE1-Vlan-interface13] ip address 172.1.1.1 24
[PE1-Vlan-interface13] quit
[PE1] ospf
[PE1-ospf-1] area 0
[PE1-ospf-1-area-0.0.0.0] network 172.1.1.0 0.0.0.255
AS 100
VPN 1
CE 1
Vlan-int11
Loop0
PE 1
Vlan-int13
Vlan-int13
P
MPLS backbone
Vlan-int12
CE 2
VPN 2
AS 100
Interface IP address
Loop0 1.1.1.9/32
Vlan-int11 10.1.1.2/24
Vlan-int13 172.1.1.1/24
Vlan-int12 10.2.1.2/24
Loop0 4.4.4.9/32
Vlan-int11 10.1.1.1/24
Loop0 5.5.5.9/32
Vlan-int12 10.2.1.1/24
Loop0 6.6.6.9/32
Vlan-int11 10.3.1.1/24
AS 100
VPN 1
CE 3
Vlan-int11
PE 2 Vlan-int11
Vlan-int12
Vlan-int12
Vlan-int13
Vlan-int13
CE 4
VPN 2
AS 100
Device
PE 2
P
CE 4
257
Loop0
Loop0
Loop0
Interface IP address
Loop0 3.3.3.9/32
Vlan-int12 172.2.1.2/24
Vlan-int11 10.3.1.2/24
Vlan-int13 10.4.1.2/24
Loop0 2.2.2.9/32
Vlan-int12 172.2.1.1/24
Vlan-int13 172.1.1.2/24
Loop0 7.7.7.9/32
Vlan-int13 10.4.1.1/24