3Com MSR 50 Series Configuration Manual page 1541

Network diagram
Figure 429 Configure HoVPN
SPE 1
Loop0
Eth1 /2
UPE 1
Eth1/0 Eth1/1
VPN 1
Eth1 /0 Eth1/0
CE 1
AS 65410
Device Interface
CE 1 Eth 1/0
CE 2 Eth 1/0
UPE 1 Loop0
Eth 1/0
Eth 1/1
Eth 1/2
SPE 1 Loop0
Eth 1/0
Eth 1/1
Configuration procedure
1 Configure UPE 1
# Configure MPLS basic capability and MPLS LDP to establish LDP LSPs.
<UPE1> system-view
[UPE1] interface loopback 0
[UPE1-LoopBack0] ip address 1.1.1.9 32
[UPE1-LoopBack0] quit
[UPE1] mpls lsr-id 1.1.1.9
[UPE1] mpls
[UPE1-mpls] lsp-trigger all
[UPE1-mpls] quit
[UPE1] mpls ldp
[UPE1-mpls-ldp] quit
[UPE1] interface ethernet 1/2
[UPE1-Ethernet1/2] ip address 172.1.1.1 24
[UPE1-Ethernet1/2] mpls
[UPE1-Ethernet1/2] mpls ldp
[UPE1-Ethernet1/2] quit
# Configure the IGP protocol, OSPF, for example.
MPLS L3VPN Configuration Example
Loop 0 Loop 0
Eth1/1 Eth1/0
Eth1/0 Eth1/1
AS 100
VPN 2 VPN 1
CE 2 CE 3
AS 65420 AS 65430
IP address Device
10.2.1.1/24 CE 3
10.4.1.1/24 CE 4
1.1.1.9/32 UPE 2
10.2.1.2/24
10.4.1.2/24
172.1.1.1/24
2.2.2.9/32 SPE 2
172.1.1.2/24
180.1.1.1/24
SPE 2
Loop0
Eth1/0
UPE 2
Eth1/1 Eth1 /2
VPN 2
Eth1/0
Eth1/0
CE 4
AS 65440
Interface IP address
Eth 1/0 10.1.1.1/24
Eth 1/0 10.3.1.1/24
Loop0 4.4.4.9/32
Eth 1/0 172.2.1.1/24
Eth 1/1 10.1.1.2/24
Eth 1/2 10.3.1.2/24
Loop0 3.3.3.9/32
Eth 1/0 180.1.1.2/24
Eth 1/1 172.2.1.2/24
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