524 CHAPTER 48: MPLS BASIC CAPABILITY CONFIGURATION
The four switches all support MPLS, and LSP can be established between any two
switches with the routing protocol OSPF.LDP establishes LSP by using routing
information of OSPF.
Network diagram
Figure 126 Network diagram
Configuration procedure
1 Configure Switch A
# Configure LSR ID and enable MPLS and LDP.
[SW8800] mpls lsr-id 168.1.1.1
[SW8800] mpls
[3Com-mpls] quit
[SW8800] mpls ldp
# Configure IP address and enable MPLS and LDP for VLAN interface 201.
[SW8800] vlan 201
[3Com-vlan201] port gigabitethernet 2/1/1
[3Com-vlan201] quit
[SW8800] interface Vlan-interface 201
[3Com-Vlan-interface201] ip address 168.1.1.1 255.255.0.0
[3Com-Vlan-interface201] mpls
[3Com-Vlan-interface201] mpls ldp enable
[3Com-Vlan-interface201] mpls ldp transport-ip interface
# Enable OSPF on the interface connecting Switch A with Switch B.
[SW8800] Router id 168.1.1.1
[SW8800] ospf
[3Com-ospf-1] area 0
[3Com-ospf-1-area-0.0.0.0] network 168.1.0.0 0.0.255.255
2 Configure Switch B
# Configure LSR ID and enable MPLS and LDP.
Switch A
SwitchB
SwitchC
SwitchD
VLAN201
168.1.1.1
VLAN201
168.1.1.2
VLAN203
172.17.1.1
VLAN203
172.17.1.2
VLAN202
100.10.1.2
VLAN202
100.10.1.1
Switch A
SwitchB
SwitchC
SwitchD
VLAN201
168.1.1.1
VLAN201
168.1.1.2
VLAN203
172.17.1.1
VLAN203
172.17.1.2
VLAN202
100.10.1.2
VLAN202
100.10.1.1
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