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<PE1> system-view
[PE1] interface loopback 0
[PE1-LoopBack0] ip address 3.3.3.9 32
[PE1-LoopBack0] quit
[PE1] mpls lsr-id 3.3.3.9
[PE1] mpls ldp
[PE1-ldp] quit
[PE1] isis 1
[PE1-isis-1] network-entity 10.0000.0000.0000.0004.00
[PE1-isis-1] quit
[PE1] interface loopback 0
[PE1-LoopBack0] isis enable 1
[PE1-LoopBack0] quit
[PE1] interface pos 2/2/1
[PE1-POS2/2/1] ip address 30.1.1.1 24
[PE1-POS2/2/1] isis enable 1
[PE1-POS2/2/1] mpls enable
[PE1-POS2/2/1] mpls ldp enable
[PE1-POS2/2/1] mpls ldp transport-address interface
[PE1-POS2/2/1] quit
[PE1] bgp 100
[PE1-bgp] peer 4.4.4.9 as-number 100
[PE1-bgp] peer 4.4.4.9 connect-interface loopback 0
[PE1-bgp] address-family vpnv4
[PE1-bgp-vpnv4] peer 4.4.4.9 enable
[PE1-bgp-vpnv4] quit
[PE1-bgp] quit
# Configure PE 2 in the same way that PE 1 is configured. (Details not shown.)
# On PE 1 or PE 2, execute the following commands:
Execute the display mpls ldp peer command to verify that an LDP session in Operational
state has been established between PE 1 and PE 2. (Details not shown.)
Execute the display bgp peer vpnv4 command to verify that a BGP peer relationship in
Established state has been established between PE 1 and PE 2. (Details not shown.)
Execute the display isis peer command to verify that the IS-IS neighbor relationship has
been established between PE 1 and PE 2. (Details not shown.)
2.
Configure the customer carrier network. Start IS-IS as the IGP, and enable LDP between PE 3
and CE 1, and between PE 4 and CE 2:
# Configure PE 3.
<PE3> system-view
[PE3] interface loopback 0
[PE3-LoopBack0] ip address 1.1.1.9 32
[PE3-LoopBack0] quit
[PE3] mpls lsr-id 1.1.1.9
[PE3] mpls ldp
[PE3-ldp] quit
[PE3] isis 2
[PE3-isis-2] network-entity 10.0000.0000.0000.0001.00
[PE3-isis-2] quit
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