3Com MSR 50 Series Configuration Manual page 1525

Network diagram
Figure 426 Configure inter-provider VPN option C
MPLS backbone
AS 100
S1/0
Loop 0
S1/0
PE 1
Loop1
Device Interface
PE 1 Loop0
Loop1
S 1/0
ASBR-PE 1 Loop0
S 1/0
S 1/1
Configuration procedure
1 Configure PE 1
# Run IS-IS on PE 1.
<PE1> system-view
[PE1] isis 1
[PE1-isis-1] network-entity 10.111.111.111.111.00
[PE1-isis-1] quit
# Configure LSR ID, enable MPLS and LDP.
[PE1] mpls lsr-id 2.2.2.9
[PE1] mpls
[PE1-mpls] lsp-trigger all
[PE1-mpls] label advertise non-null
[PE1-mpls] quit
[PE1] mpls ldp
[PE1-mpls-ldp] quit
# Configure interface Serial 1/0, start IS-IS and enable MPLS and LDP on the
interface.
[PE1] interface serial 1/0
[PE1-Serial1/0] ip address 1.1.1.2 255.0.0.0
[PE1-Serial1/0] isis enable 1
[PE1-Serial1/0] mpls
[PE1-Serial1/0] mpls ldp
[PE1-Serial1/0] quit
MPLS L3VPN Configuration Example
Loop 0
S1/1 S 1/1
ASBR-PE 1 ASBR-PE 2
Site 1
Site 1
MP-EBGP
IP address Device
2.2.2.9/32 PE 2
30.0.0.1/32
1.1.1.2/8
3.3.3.9/32 ASBR-PE 2
1.1.1.1/8
11.0.0.2/8
Loop 0
MPLS backbone
AS 600
PE 2
S1/0
Loop 0
S1/0
PE 1
Loop0
Interface IP address
Loop0 5.5.5.9/32
Loop1 20.0.0.1/32
S 1/0 9.1.1.2/8
Loop0 4.4.4.9/32
S 1/0 9.1.1.1/8
S 1/1 11.0.0.1/8
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