352
Timers: Hello 10, Dead 40, Retransmit 5, Transmit delay 1
Request list: 0 Retransmit list: 0
280BConfiguring BGP AS number substitution
549BNetwork requirements
As shown in 850HFigure 89, CE 1 and CE 2 belong to VPN 1, and are connected to PE 1 and PE 2. The
two CEs have the same AS number, 600. Configure BGP AS number substitution on the PEs to
avoid route loss.
Figure 89 Network diagram
Table 32 Interface and IP address assignment
Device Interface IP address Device Interface IP address
CE 1 Vlan-int11 10:1::2/96 P Loop0 2.2.2.9/32
Vlan-int12 100::1/96 Vlan-int11 30.1.1.1/24
PE 1 Loop0 10.1.1.1/32 Vlan-int12 20.1.1.2/24
Vlan-int11 10:1::1/96 PE 2 Loop0 10.1.1.2/32
Vlan-int12 20.1.1.1/24 Vlan-int11 30.1.1.2/96
CE 2 Vlan-int12 10:2::2/96 Vlan-int12 10:2::1/24
Vlan-int13 200::1/96
550BConfiguration procedure
1. Configuring basic IPv6 MPLS L3VPN:
{ Configure OSPF on the MPLS backbone to allow the PEs and P device to learn the routes
of the loopback interfaces from each other.
{ Configure basic MPLS and MPLS LDP on the MPLS backbone to establish LDP LSPs.
{ Establish an MP-IBGP peer relationship between the PEs to advertise VPN IPv6 routes.
{ Configure the VPN instance of VPN 1 on PE 1 to allow CE 1 to access the network.
{ Configure the VPN instance of VPN 1 on PE 2 to allow CE 2 to access the network.
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