273
Figure 77 Network diagram
Table 19 Interface and IP address assignment
Device
Interface
IP address
Device
Interface
IP address
CE 3
GE1/1/1
100.1.1.1/24
CE 4
GE1/1/1
120.1.1.1/24
PE 3
Loop0
1.1.1.9/32
PE 4
Loop0
6.6.6.9/32
GE1/1/1
100.1.1.2/24
GE1/1/1
120.1.1.2/24
POS1/1/1
10.1.1.1/24
POS1/1/1
20.1.1.2/24
CE 1
Loop0
2.2.2.9/32
CE 2
Loop0
5.5.5.9/32
POS1/1/0
10.1.1.2/24
POS1/1/0
21.1.1.2/24
POS1/1/1
11.1.1.1/24
POS1/1/1
20.1.1.1/24
PE 1
Loop0
3.3.3.9/32
PE 2
Loop0
4.4.4.9/32
POS1/1/0
11.1.1.2/24
POS1/1/0
30.1.1.2/24
POS1/1/1
30.1.1.1/24
POS1/1/1
21.1.1.1/24
Configuration procedure
1.
Configure MPLS L3VPN on the provider carrier backbone. Enable IS-IS as the IGP, enable
LDP between PE 1 and PE 2, and establish an MP-IBGP peer relationship between the PEs:
# Configure PE 1.
<PE1> system-view
[PE1] interface loopback 0
[PE1-LoopBack0] ip address 3.3.3.9 32
[PE1-LoopBack0] quit
[PE1] mpls lsr-id 3.3.3.9
[PE1] mpls ldp
[PE1-ldp] quit
[PE1] isis 1
[PE1-isis-1] network-entity 10.0000.0000.0000.0004.00
[PE1-isis-1] quit