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Configuring mpls l3vpn inter-as option c, Network requirements – H3C Technologies H3C S6800 Series Switches User Manual

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--- Ping statistics for 20.0.0.1 ---

5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss

round-trip min/avg/max/std-dev = 0.551/0.752/1.208/0.257 ms

Configuring MPLS L3VPN inter-AS option C

Network requirements

Site 1 and Site 2 belong to the same VPN. Site 1 accesses the network through PE 1 in AS 100, and Site

2 accesses the network through PE 2 in AS 600. PEs in the same AS run IS-IS.
PE 1 and ASBR-PE 1 exchange labeled IPv4 routes through IBGP. PE 2 and ASBR-PE 2 exchange labeled
IPv4 routes through IBGP. PE 1 and PE 2 exchange VPNv4 routes through MP-EBGP.
ASBR-PE 1 and ASBR-PE 2 use their respective routing policies and label routes received from each other.
ASBR-PE 1 and ASBR-PE 2 use EBGP to exchange labeled IPv4 routes.

Figure 66 Network diagram

Table 16 Interface and IP address assignment

Device Interface

IP

address

Device

Interface IP

address

PE 1

Loop0

2.2.2.9/32

PE 2

Loop0

5.5.5.9/32

Vlan-int11 1.1.1.2/8

Vlan-int11 9.1.1.2/8

Vlan-int12 30.0.0.1/24

Vlan-int12 20.0.0.1/24

ASBR-PE 1

Loop0

3.3.3.9/32

ASBR-PE 2

Loop0

4.4.4.9/32

Vlan-int11 1.1.1.1/8

Vlan-int11 9.1.1.1/8

Vlan-int12 11.0.0.2/8

Vlan-int12 11.0.0.1/8

CE 1

Vlan-int12

30.0.0.2/24

CE 2

Vlan-int12

20.0.0.2/24

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