312
Figure 37 Network diagram
Device Interface IP address
Device
Interface
IP address
CE 3 Vlan-int11 100.1.1.1/24 CE 4 Vlan-int11 120.1.1.1/24
PE 3 Loop0 1.1.1.9/32
PE 4
Loop0
6.6.6.9/32
Vlan-int11 100.1.1.2/24
Vlan-int11 120.1.1.2/24
Vlan-int12 10.1.1.1/24 Vlan-int12 20.1.1.2/24
CE 1 Loop0 2.2.2.9/32
CE 2
Loop0
5.5.5.9/32
Vlan-int12 10.1.1.2/24
Vlan-int11 21.1.1.2/24
Vlan-int11 11.1.1.1/24 Vlan-int12 20.1.1.1/24
PE 1 Loop0 3.3.3.9/32
PE 2
Loop0
4.4.4.9/32
Vlan-int11 11.1.1.2/24
Vlan-int12 30.1.1.2/24
Vlan-int12 30.1.1.1/24 Vlan-int11 21.1.1.1/24
Configuration procedure
1. Configure MPLS L3VPN on the provider carrier backbone: start 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
[PE1-mpls] quit
[PE1] mpls ldp
[PE1-mpls-ldp] quit
[PE1] isis 1
[PE1-isis-1] network-entity 10.0000.0000.0000.0004.00
[PE1-isis-1] quit
[PE1] interface loopback 0
PE 1
PE 2
Provider carrier
Customer carrier
PE 4
CE 2CE 1
PE 3
CE 3
CE 4
AS 65410 AS 65420
Loop0 Loop0
Loop0
Customer carrier
Vlan-int11
Loop0
Loop0
AS 100 AS 100
Vlan-int11
Vlan-int12
Vlan-int12
Vlan-int11
Vlan-int11
Vlan-int12
Vlan-int12
Vlan-int11
Vlan-int11
Vlan-int12
Vlan-int12
Vlan-int11
Vlan-int11
MP-IBGP
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