导入了新的H3C 镜像，bgp 正常了。
目录
1 拓扑
2 配置步骤
2.1 配置接口IP 和路由协议
2.2 配置MPLS LDP
2.3 配置L2VPN BGP
2.4 配置 xconnect-group
2.5 验证L2VPN
1 拓扑
2 配置步骤
2.1 配置接口IP 和路由协议
PE1
interface LoopBack 0
ip address 1.1.1.9 32
quit
interface GigabitEthernet1/0
ip address 10.1.1.1 255.255.255.0
quit
ospf 1
area 1
network 1.1.1.9 0.0.0.0
network 10.1.1.0 0.0.0.255
quit
quit
P
interface LoopBack 0
ip address 2.2.2.9 32
quit
interface GigabitEthernet1/0
ip address 10.1.1.2 255.255.255.0
quit
interface GigabitEthernet2/0
ip address 20.1.1.1 255.255.255.0
quit
ospf 1
area 1
network 2.2.2.9 0.0.0.0
network 10.1.1.0 0.0.0.255
network 20.1.1.0 0.0.0.255
quit
quitPE2
interface LoopBack 0
ip address 3.3.3.9 32
quit
interface GigabitEthernet1/0
ip address 20.1.1.2 255.255.255.0
quit
ospf 1
area 1
network 3.3.3.9 0.0.0.0
network 20.1.1.0 0.0.0.255
quit
quitVPC1
ip 11.1.1.100/24VPC2
ip 11.1.1.200/24查看OSPF 学习情况
2.2 配置MPLS LDP
PE1
mpls lsr-id 1.1.1.9
mpls label advertise non-null
mpls ldp
quit
interface GigabitEthernet1/0
mpls enable
mpls ldp enable
quitP
mpls lsr-id 2.2.2.9
mpls label advertise non-null
mpls ldp
quit
interface GigabitEthernet1/0
mpls enable
mpls ldp enable
quit
interface GigabitEthernet2/0
mpls enable
mpls ldp enable
quitPE2
mpls lsr-id 3.3.3.9
mpls label advertise non-null
mpls ldp
quit
interface GigabitEthernet1/0
mpls enable
mpls ldp enable
quit查看 LDP LSP
2.3 配置L2VPN BGP
PE1
l2vpn enable
bgp 100
peer 3.3.3.9 as-number 100
peer 3.3.3.9 connect-interface loopback 0
address-family l2vpn
peer 3.3.3.9 enable
quit
quitPE2
l2vpn enable
bgp 100
peer 1.1.1.9 as-number 100
peer 1.1.1.9 connect-interface loopback 0
address-family l2vpn
peer 1.1.1.9 enable
quit
quit查看bgp 状态
2.4 配置 xconnect-group
PE1
xconnect-group vpna
auto-discovery bgp
route-distinguisher 2:2
vpn-target 2:2 export-extcommunity
vpn-target 2:2 import-extcommunity
site 1 range 10 default-offset 0
connection remote-site-id 2
ac interface GigabitEthernet 2/0
quit
quit
quit
quitPE2
xconnect-group vpna
auto-discovery bgp
route-distinguisher 2:2
vpn-target 2:2 export-extcommunity
vpn-target 2:2 import-extcommunity
site 2 range 10 default-offset 0
connection remote-site-id 1
ac interface GigabitEthernet 2/0
quit
quit
quit
quit查看PW
文章来源：https://www.toymoban.com/news/detail-645991.html
2.5 验证L2VPN
文章来源地址https://www.toymoban.com/news/detail-645991.html
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