目录

1 拓扑

2 配置步骤

2.1 配置接口IP 

2.2 配置OSPF

2.3 使能LDP

 2.3 在VPC上验证

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1 拓扑

2 配置步骤

2.1 配置接口IP 

  LER1

interface LoopBack 0ip address 1.1.1.9 32 quitinterface GigabitEthernet1/0ip address 10.1.1.1 255.255.255.0quitinterface GigabitEthernet2/0ip address 11.1.1.1 255.255.255.0quit

LSR

interface LoopBack 0ip address 2.2.2.9 32 quitinterface GigabitEthernet1/0ip address 10.1.1.2 255.255.255.0quitinterface GigabitEthernet2/0ip address 20.1.1.1 255.255.255.0quit

LER2

interface LoopBack 0ip address 3.3.3.9 32 quitinterface GigabitEthernet1/0ip address 20.1.1.2 255.255.255.0quitinterface GigabitEthernet2/0ip address 21.1.1.1 255.255.255.0quit

VPC1

ip 11.1.1.100/24 11.1.1.1

VPC2

ip 21.1.1.100/24 21.1.1.1

2.2 配置OSPF

LER1

ospf 1area 1network 1.1.1.9 0.0.0.0network 10.1.1.0 0.0.0.255network 11.1.1.0 0.0.0.255quitquit

LSR

ospf 1area 1network 2.2.2.9 0.0.0.0network 10.1.1.0 0.0.0.255network 20.1.1.0 0.0.0.255quitquit

LER2

ospf 1area 1network 3.3.3.9 0.0.0.0network 20.1.1.0 0.0.0.255network 21.1.1.0 0.0.0.255quitquit

查看OSPF 学到的路由

LER1

 LSR

LER2

2.3 使能LDP

LER1

mpls lsr-id 1.1.1.9
mpls ldpquitinterface GigabitEthernet1/0mpls enablempls ldp enablequit

LSR

mpls lsr-id 2.2.2.9
mpls ldpquitinterface GigabitEthernet1/0mpls enablempls ldp enablequitinterface GigabitEthernet2/0mpls enable mpls ldp enablequit

LER2

mpls lsr-id 3.3.3.9
mpls ldpquitinterface GigabitEthernet1/0mpls enablempls ldp enablequit

2.4 配置LDP LSP 触发条件

LER1 LSR LER2 配置相同

ip prefix-list ldp index 10 permit 11.1.1.0 24
ip prefix-list ldp index 20 permit 21.1.1.0 24mpls ldplsp-trigger prefix-list ldpquit

查看LDP LSP

LER1

LSR

LER2

 2.4 在VPC上验证