H3C Technologies H3C S6800 Series Switches User Manual
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[PE2] interface loopback 0
[PE2-LoopBack0] ip address 2.2.2.2 32
[PE2-LoopBack0] quit
[PE2] mpls lsr-id 2.2.2.2
# Enable global MPLS LDP.
[PE2] mpls ldp
[PE2-ldp] quit
# Configure VLAN interface 12 (the interface connected to PE 1), and enable LDP on it.
[PE2] interface vlan-interface 12
[PE2-Vlan-interface12] ip address 12.1.1.2 24
[PE2-Vlan-interface12] mpls enable
[PE2-Vlan-interface12] mpls ldp enable
[PE2-Vlan-interface12] quit
# Configure OSPF for LDP to create LSPs.
[PE2] ospf
[PE2-ospf-1] area 0
[PE2-ospf-1-area-0.0.0.0] network 12.1.1.0 0.0.0.255
[PE2-ospf-1-area-0.0.0.0] network 2.2.2.2 0.0.0.0
[PE2-ospf-1-area-0.0.0.0] quit
[PE2-ospf-1] quit
# Enable L2VPN.
[PE2] l2vpn enable
# Create service instance 10 on FortyGigE 1/0/1 to match packets that have an outer VLAN ID
of 10.
[PE2] interface fortygige1/0/1
[PE2-FortyGigE1/0/1] port link-type trunk
[PE2-FortyGigE1/0/1] port trunk permit vlan 10
[PE2-FortyGigE1/0/1] service-instance 10
[PE2-FortyGigE1/0/1-srv10] encapsulation s-vid 10
[PE2-FortyGigE1/0/1-srv10] quit
[PE2-FortyGigE1/0/1] quit
# Create a cross-connect group named vpna, create a cross-connect named ldp in the group, and
bind service instance 10 on FortyGigE 1/0/1 to the cross-connect.
[PE2] xconnect-group vpna
[PE2-xcg-vpna] connection ldp
[PE2-xcg-vpna-ldp] ac interface fortygige 1/0/1 service-instance 10
# Create an LDP PW for the cross-connect to bind the AC to the PW.
[PE2-xcg-vpna-ldp] peer 1.1.1.1 pw-id 20
[PE2-xcg-vpna-ldp-1.1.1.1-20] quit
[PE2-xcg-vpna-ldp] quit
[PE2-xcg-vpna] quit
4.
Configure PE 3:
# Configure an LSR ID.
[PE3] interface loopback 0
[PE3-LoopBack0] ip address 3.3.3.3 32