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# Enable global LDP.
[PE1] mpls ldp
[PE1-ldp] quit
# Configure the default next hop IP address as 100.1.1.1 on GigabitEthernet 2/0/1 (the interface
connected to CE 1). This interface does not need an IP address.
[PE1] interface gigabitethernet 2/0/1
[PE1-GigabitEthernet2/0/1] default-nexthop ip 100.1.1.1
[PE1-GigabitEthernet2/0/1] quit
# Configure GigabitEthernet 2/0/2 (the interface connected to the P device), and enable LDP on
the interface.
[PE1] interface gigabitethernet 2/0/2
[PE1-GigabitEthernet2/0/2] ip address 10.1.1.1 24
[PE1-GigabitEthernet2/0/2] mpls enable
[PE1-GigabitEthernet2/0/2] mpls ldp enable
[PE1-GigabitEthernet2/0/2] quit
# Configure OSPF for LDP to create LSPs.
[PE1] ospf
[PE1-ospf-1] area 0
[PE1-ospf-1-area-0.0.0.0] network 10.1.1.1 0.0.0.255
[PE1-ospf-1-area-0.0.0.0] network 192.2.2.2 0.0.0.0
[PE1-ospf-1-area-0.0.0.0] quit
[PE1-ospf-1] quit
# Create a cross-connect group named vpna, create a cross-connect named ldp in the group,
enable interworking for the cross-connect, and bind GigabitEthernet 2/0/1 to the cross-connect.
[PE1] xconnect-group vpna
[PE1-xcg-vpna] connection ldp
[PE1-xcg-vpna-ldp] interworking ipv4
[PE1-xcg-vpna-ldp] ac interface gigabitethernet 2/0/1
# Create an LDP PW for the cross-connect to bind the AC to the PW.
[PE1-xcg-vpna-ldp] peer 192.3.3.3 pw-id 3
[PE1-xcg-vpna-ldp-192.3.3.3-3] quit
[PE1-xcg-vpna-ldp] quit
[PE1-xcg-vpna] quit
3.
Configure the P device:
# Configure an LSR ID.
<P> system-view
[P] interface loopback 0
[P-LoopBack0] ip address 192.4.4.4 32
[P-LoopBack0] quit
[P] mpls lsr-id 192.4.4.4
# Enable global LDP.
[P] mpls ldp
[P-ldp] quit
# Configure GigabitEthernet 2/0/1 (the interface connected to PE 1), and enable LDP on the
interface.
[P] interface gigabitethernet 2/0/1
[P-GigabitEthernet2/0/1] ip address 10.1.1.2 24
[P-GigabitEthernet2/0/1] mpls enable
434
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