356
# Configure VLAN interface 12 (the interface connected to PE 2) and VLAN interface 13 (the
interface connected to PE 3), and enable LDP for the interfaces.
[PE1] interface vlan-interface 12
[PE1-Vlan-interface12] ip address 12.1.1.1 24
[PE1-Vlan-interface12] mpls enable
[PE1-Vlan-interface12] mpls ldp enable
[PE1-Vlan-interface12] quit
[PE1] interface vlan-interface 13
[PE1-Vlan-interface13] ip address 13.1.1.1 24
[PE1-Vlan-interface13] mpls enable
[PE1-Vlan-interface13] mpls ldp enable
[PE1-Vlan-interface13] quit
# Configure OSPF for LDP to create LSPs.
[PE1] ospf
[PE1-ospf-1] area 0
[PE1-ospf-1-area-0.0.0.0] network 1.1.1.1 0.0.0.0
[PE1-ospf-1-area-0.0.0.0] network 12.1.1.0 0.0.0.255
[PE1-ospf-1-area-0.0.0.0] network 13.1.1.0 0.0.0.255
[PE1-ospf-1-area-0.0.0.0] quit
[PE1-ospf-1] quit
# Enable L2VPN.
[PE1] l2vpn enable
# Create Ethernet service instance 10 on Ten-GigabitEthernet 1/0/1 to match packets that have
an outer VLAN ID of 10.
[PE1] interface ten-gigabitethernet 1/0/1
[PE1-Ten-GigabitEthernet1/0/1] port link-type trunk
[PE1-Ten-GigabitEthernet1/0/1] port trunk permit vlan 10
[PE1-Ten-GigabitEthernet1/0/1] service-instance 10
[PE1-Ten-GigabitEthernet1/0/1-srv10] encapsulation s-vid 10
[PE1-Ten-GigabitEthernet1/0/1-srv10] quit
[PE1-Ten-GigabitEthernet1/0/1] quit
# Create a cross-connect group named
vpna
, create a cross-connect named
ldp
in the group, and
bind Ethernet service instance 10 on Ten-GigabitEthernet 1/0/1 to the cross-connect.
[PE1] xconnect-group vpna
[PE1-xcg-vpna] connection ldp
[PE1-xcg-vpna-ldp] ac interface ten-gigabitethernet 1/0/1 service-instance 10
# Create primary and backup LDP PWs for the cross-connect to bind the AC to the PWs and
implement PW redundancy.
[PE1-xcg-vpna-ldp] peer 2.2.2.2 pw-id 20
[PE1-xcg-vpna-ldp-2.2.2.2-20] backup-peer 3.3.3.3 pw-id 30
[PE1-xcg-vpna-ldp-3.3.3.3-30-backup] quit
[PE1-xcg-vpna-ldp-2.2.2.2-20] quit
[PE1-xcg-vpna-ldp] quit
[PE1-xcg-vpna] quit
[PE1] quit
3.
Configure PE 2:
# Configure LSR ID.