目录
4.配置CE和PE之间的IGP/BGP协议,传送客户CE VPN路由信息
5.将从CE学习到的VPN路由通过MP-BGP传送给对端PE设备
如图:实现北京总部和上海分部通信

1.ISP IGP+LDP
R2:
sys
sys R2
int g0/0/0
ip addr 10.1.12.2 24
int g0/0/1
ip addr 10.1.23.2 24
int loo 0
ip addr 10.1.2.2 32
ospf 1
ar 0
network 10.1.23.0 0.0.0.255
net 10.1.2.2 0.0.0.0
mpls lsr-id 10.1.2.2
mpls
mpls ldp
int g0/0/1
mpls
mpls ldp
R3:
sys
sys R3
int g0/0/0
ip addr 10.1.23.3 24
int g0/0/1
ip addr 10.1.34.3 24
int loo 0
ip addr 10.1.3.3 32
ospf 1
ar 0
network 10.1.34.3 0.0.0.255
network 10.1.23.3 0.0.0.255
net 10.1.3.3 0.0.0.0
mpls lsr-id 10.1.3.3
mpls
mpls ldp
int g0/0/0
mpls
mpls ldp
int g0/0/1
mpls
mpls ldp
R4:
sys
sys R4
int g0/0/0
ip addr 10.1.34.4 24
int g0/0/1
ip addr 10.1.45.4 24
int loo 0
ip addr 10.1.4.4 32
ospf 1
ar 0
network 10.1.34.4 0.0.0.255
network 10.1.45.4 0.0.0.255
net 10.1.4.4 0.0.0.0
mpls lsr-id 10.1.4.4
mpls
mpls ldp
int g0/0/0
mpls
mpls ldp
int g0/0/1
mpls
mpls ldp
R5:
sys
sys R5
int g0/0/0
ip addr 10.1.45.5 24
int g0/0/1
ip addr 10.1.56.5 24
int loo 0
ip addr 10.1.5.5 32
ospf 1
ar 0
network 10.1.45.5 0.0.0.255
network 10.1.56.5 0.0.0.255
net 10.1.5.5 0.0.0.0
mpls lsr-id 10.1.5.5
mpls
mpls ldp
int g0/0/0
mpls
mpls ldp

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