263 lines
5.2 KiB
Markdown
263 lines
5.2 KiB
Markdown
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- CE1、CE3属于vpna。
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- CE2、CE4属于vpnb。
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- vpna使用的VPN-target属性为111:1，vpnb为222:2。
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- 不同VPN用户之间不能互相访问。
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PE1：
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```
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#
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sysname PE1
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#
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ip vpn-instance vpna //创建VPN实例vpna
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ipv4-family
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route-distinguisher 100:1
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vpn-target 111:1 export-extcommunity
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vpn-target 111:1 import-extcommunity
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#
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ip vpn-instance vpnb //创建VPN实例vpnb
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ipv4-family
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route-distinguisher 100:2
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vpn-target 222:2 export-extcommunity
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vpn-target 222:2 import-extcommunity
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#
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mpls lsr-id 1.1.1.9 //配置MPLS
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mpls
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#
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mpls ldp //建立LDP
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#
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interface Ethernet1/0/0 //绑定VPN实例
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ip binding vpn-instance vpna
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ip address 10.1.1.2 255.255.255.0
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#
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interface Ethernet2/0/0
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ip binding vpn-instance vpnb //绑定VPN实例
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ip address 10.2.1.2 255.255.255.0
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#
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interface Ethernet2/0/1 //接口使能MPLS
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ip address 172.1.1.1 255.255.255.0
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mpls
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mpls ldp
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#
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interface LoopBack1
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ip address 1.1.1.9 255.255.255.255
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#
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bgp 100 //配置MP-IBGP对等体
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peer 3.3.3.9 as-number 100
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peer 3.3.3.9 connect-interface LoopBack1
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#
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ipv4-family unicast
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undo synchronization
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peer 3.3.3.9 enable
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#
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ipv4-family vpnv4 //使能对等体交换VPNv4路由信息的能力
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policy vpn-target
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peer 3.3.3.9 enable
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#
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ipv4-family vpn-instance vpna //配置PE与CE之间建立EBGP对等体关系，引入VPN路由
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peer 10.1.1.1 as-number 65410
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import-route direct
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#
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ipv4-family vpn-instance vpnb //配置PE与CE之间建立EBGP对等体关系，引入VPN路由
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peer 10.2.1.1 as-number 65420
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import-route direct
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#
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ospf 1 //配置公网路由
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area 0.0.0.0
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network 172.1.1.0 0.0.0.255
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network 1.1.1.9 0.0.0.0
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#
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return
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```
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P:
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```
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#
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sysname P
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#
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mpls lsr-id 2.2.2.9 //配置MPLS
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mpls
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#
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mpls ldp
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#
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interface Ethernet1/0/0
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ip address 172.1.1.2 255.255.255.0
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mpls
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mpls ldp
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#
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interface Ethernet2/0/0
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ip address 172.2.1.1 255.255.255.0
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mpls
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mpls ldp
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#
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interface LoopBack1
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ip address 2.2.2.9 255.255.255.255
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#
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ospf 1 //配置公网路由
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area 0.0.0.0
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network 172.1.1.0 0.0.0.255
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network 172.2.1.0 0.0.0.255
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network 2.2.2.9 0.0.0.0
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#
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return
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```
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PE2：
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```
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#
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sysname PE2
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#
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ip vpn-instance vpna //创建VPN实例vpna
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ipv4-family
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route-distinguisher 200:1
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vpn-target 111:1 export-extcommunity
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vpn-target 111:1 import-extcommunity
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#
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ip vpn-instance vpnb //创建VPN实例vpnb
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ipv4-family
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route-distinguisher 200:2
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vpn-target 222:2 export-extcommunity
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vpn-target 222:2 import-extcommunity
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#
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mpls lsr-id 3.3.3.9 //配置MPLS LSR
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mpls
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#
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mpls ldp
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#
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interface Ethernet1/0/0 //绑定VPN实例
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ip binding vpn-instance vpna
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ip address 10.3.1.2 255.255.255.0
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#
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interface Ethernet2/0/0 //绑定VPN实例
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ip binding vpn-instance vpnb
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ip address 10.4.1.2 255.255.255.0
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#
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interface Ethernet2/0/1 //接口使能MPLS
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ip address 172.2.1.2 255.255.255.0
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mpls
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mpls ldp
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#
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interface LoopBack1
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ip address 3.3.3.9 255.255.255.255
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#
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bgp 100 //配置MP-IBGP对等体
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peer 1.1.1.9 as-number 100
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peer 1.1.1.9 connect-interface LoopBack1
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#
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ipv4-family unicast
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undo synchronization
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peer 1.1.1.9 enable
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#
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ipv4-family vpnv4 //使能对等体交换VPNv4路由信息的能力
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policy vpn-target
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peer 1.1.1.9 enable
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#
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ipv4-family vpn-instance vpna //配置PE与CE之间建立EBGP对等体关系，引入VPN路由
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peer 10.3.1.1 as-number 65430
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import-route direct
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#
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ipv4-family vpn-instance vpnb //配置PE与CE之间建立EBGP对等体关系，引入VPN路由
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peer 10.4.1.1 as-number 65440
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import-route direct
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#
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ospf 1 //配置公网路由
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area 0.0.0.0
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network 172.2.1.0 0.0.0.255
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network 3.3.3.9 0.0.0.0
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#
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return
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```
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CE1：
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```
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#
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sysname CE1
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#
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interface Ethernet1/0/0
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ip address 10.1.1.1 255.255.255.0
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#
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bgp 65410 //在PE与CE之间建立EBGP对等体关系
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peer 10.1.1.2 as-number 100
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#
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ipv4-family unicast
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undo synchronization
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import-route direct //引入直连路由
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peer 10.1.1.2 enable
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#
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return
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```
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CE2：
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```
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#
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sysname CE2
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#
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interface Ethernet1/0/0
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ip address 10.2.1.1 255.255.255.0
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#
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bgp 65420 //在PE与CE之间建立EBGP对等体关系
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peer 10.2.1.2 as-number 100
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#
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ipv4-family unicast
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undo synchronization
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import-route direct //引入直连路由
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peer 10.2.1.2 enable
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#
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return
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```
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CE3：
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```
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#
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sysname CE3
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#
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interface Ethernet1/0/0
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ip address 10.3.1.1 255.255.255.0
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#
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bgp 65430 //在PE与CE之间建立EBGP对等体关系
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peer 10.3.1.2 as-number 100
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#
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ipv4-family unicast
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undo synchronization
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import-route direct //引入直连路由
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peer 10.3.1.2 enable
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#
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return
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```
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CE4：
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```
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#
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sysname CE4
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#
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interface Ethernet1/0/0
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ip address 10.4.1.1 255.255.255.0
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#
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bgp 65440 //在PE与CE之间建立EBGP对等体关系
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peer 10.4.1.2 as-number 100
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#
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ipv4-family unicast
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undo synchronization
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import-route direct //引入直连路由
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peer 10.4.1.2 enable
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#
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return
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```
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PE之间必须使用32位掩码的Loopback接口地址来建立MP-IBGP对等体关系，以便能够迭代到隧道
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