197
Figure 62 Network diagram
Table 12 Interface and IP address assignment
CE 1 Vlan-int11 10.1.1.1/24 P Loop0 2.2.2.9/32
PE 1 Loop0 1.1.1.9/32 Vlan-int12 172.2.1.1/24
Vlan-int11 10.1.1.2/24 Vlan-int13 172.1.1.2/24
Vlan-int13 172.1.1.1/24 PE 2 Loop0 3.3.3.9/32
Vlan-int12 10.2.1.2/24 Vlan-int12 172.2.1.2/24
CE 2 Vlan-int12 10.2.1.1/24 Vlan-int11 10.3.1.2/24
CE 3 Vlan-int11 10.3.1.1/24 Vlan-int13 10.4.1.2/24
CE 4 Vlan-int13 10.4.1.1/24
Configuration procedure
1. Configure an IGP on the MPLS backbone to ensure IP connectivity within the backbone:
# 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
[PE1-ospf-1-area-0.0.0.0] network 1.1.1.9 0.0.0.0
[PE1-ospf-1-area-0.0.0.0] quit
[PE1-ospf-1] quit
CE 1
Loop0
Loop0 Loop0
PE
1
PE
2
Vlan
-int
11
Vlan-
int11
Vlan-
int12
Vlan-
int
12
Vlan
-
int12
Vlan
-
int13
Vlan-int13
Vlan-int11
Vlan-
int
11
CE 3
CE
2
CE
4
Vlan-
int
13
Vlan
-int
12
Vlan
-int
13
VPN 1
VPN 1
VPN 2
VPN 2
MPLS backbone
AS 65410 AS
65430
AS 65420
AS
65440
P