【锐捷路由】域内MPLS VPN配置

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配置要求

RuijieR1和RuijieS1之间运行OSPF，归属区域0，进程号10

RuijieR2和RuijieS2之间运行OSPF，归属区域0，进程号20

RuijieR3和RuijieS3之间运行OSPF，归属区域0，进程号30

RuijieR1、RuijieR2和RuijieR3之间运行IBGP，AS号为100。IGP协议使用OSPF，归属区域0，进程号40。定义RuijieR1为路由反射器RR，使用Loopback接口建立BGP邻居关系

RuijieR1、RuijieR2和RuijieR3三个网络内部的局域网之间，通过MPLS VPN技术实现安全访问，其中RuijieR1、RuijieR2和RuijieR3开启MPLS报文转发及LDP标签转发协议，VRF名称为VPNA，RD值分别为100:1、100:2、100:3，RT值均为1:1。

RuijieS1、RuijieS2和RuijieS3作为CE设备，完成OSPF协议配置

网络拓扑

地址规划

设备	接口	地址规划	说明
RuijieR1	G0/0	12.1.1.1/30	ToRuijieR2
	G0/1	13.1.1.1/30	ToRuijieR3
	G0/2	10.1.0.10/30	ToRuijieS1
	Lo0	11.1.0.1/32
RuijieR2	G0/0	10.1.0.18/30	ToRuijieS2
	G0/1	12.1.1.2/30	ToRuijieR1
	Lo0	11.1.0.2/32
RuijieR3	G0/0	10.1.0.22/30	ToRuijieS3
	G0/1	13.1.1.2/30	ToRuijieR1
	Lo0	11.1.0.3/32
RuijieS1	G0/0	10.1.0.9/30	ToRuijieR1
RuijieS1	Lo0	10.0.0.12/32
RuijieS2	G0/1	10.1.0.17/30	ToRuijieR2
RuijieS2	Lo0	10.0.0.1/32
RuijieS3	G0/0	10.1.0.21/30	ToRuijieR3
RuijieS3	Lo0	10.0.0.2/32

配置命令（地址配置略）

RuijieR1和RuijieS1之间运行OSPF，归属区域0，进程号10

RuiieS1#configure
RuiieS1(config)#router ospf 10
RuiieS1(config-router)#router-id 10.0.0.12
RuiieS1(config-router)#network 10.1.0.8 0.0.0.3 area 0
RuiieS1(config-router)#end
RuiieS1#

RuijieR2和RuijieS2之间运行OSPF，归属区域0，进程号20

RuijieS2#configure
RuijieS2(config)#router ospf 20
RuijieS2(config-router)#router-id 10.0.0.1
RuijieS2(config-router)#network 10.1.0.16 0.0.0.3 area 0
RuijieS2(config-router)#end
RuijieS2#

RuijieR3和RuijieS3之间运行OSPF，归属区域0，进程号30

RuijieS3#configure
RuijieS3(config)#router ospf 30
RuijieS3(config-router)#router-id 10.0.0.2
RuijieS3(config-router)#network 10.1.0.20 0.0.0.3 area 0
RuijieS3(config-router)#end
RuijieS3#

RuijieR1、RuijieR2和RuijieR3之间运行IBGP，AS号为100。IGP协议使用OSPF，归属区域0，进程号40。定义RuijieR1为路由反射器RR，使用Loopback接口建立BGP邻居关系

RuijieR1#configure
RuijieR1(config)#router ospf 40
RuijieR1(config-router)#router-id 11.1.0.1
RuijieR1(config-router)#network 12.1.1.0 0.0.0.3 area 0
RuijieR1(config-router)#network 13.1.1.0 0.0.0.3 area 0
RuijieR1(config-router)#network 11.1.0.1 0.0.0.0 area 0
RuijieR1(config-router)#end
RuijieR1#

RuijieR2#configure
RuijieR2(config)#router ospf 40
RuijieR2(config-router)#router-id 11.1.0.2
RuijieR2(config-router)#network 12.1.1.0 0.0.0.3 area 0
RuijieR2(config-router)#network 11.1.0.2 0.0.0.0 area 0
RuijieR2(config-router)#end
RuijieR2#

RuijieR3#configure
RuijieR3(config)#router ospf 40
RuijieR3(config-router)#router-id 11.1.0.3
RuijieR3(config-router)#network 13.1.1.0 0.0.0.3 area 0
RuijieR3(config-router)#network 11.1.0.3 0.0.0.0 area 0
RuijieR3(config-router)#end
RuijieR3#

RuijieR1#configure
RuijieR1(config)#router bgp 100
RuijieR1(config-router)#neighbor 11.1.0.2 remote-as 100
RuijieR1(config-router)#neighbor 11.1.0.2 update-source loopback 0
RuijieR1(config-router)#neighbor 11.1.0.2 route-reflector-client
RuijieR1(config-router)#neighbor 11.1.0.3 remote-as 100
RuijieR1(config-router)#neighbor 11.1.0.3 update-source loopback 0
RuijieR1(config-router)#neighbor 11.1.0.3 route-reflector-client
RuijieR1(config-router)#end
RuijieR1#

RuijieR2#configure
RuijieR2(config)#router bgp 100
RuijieR2(config-router)#neighbor 11.1.0.1 remote-as 100
RuijieR2(config-router)#neighbor 11.1.0.1 update-source loopback 0
RuijieR2(config-router)#end
RuijieR2#

RuijieR3#configure
RuijieR3(config)#router bgp 100
RuijieR3(config-router)#neighbor 11.1.0.1 remote-as 100
RuijieR3(config-router)#neighbor 11.1.0.1 update-source loopback 0
RuijieR3(config-router)#end
RuijieR3#

RuijieR1、RuijieR2和RuijieR3三个网络内部的局域网之间，通过MPLS VPN技术实现安全访问，其中RuijieR1、RuijieR2和RuijieR3开启MPLS报文转发及LDP标签转发协议，VRF名称为VPNA，RD值分别为100:1、100:2、100:3，RT值均为1:1。

RuijieR1#configure
RuijieR1(config)#mpls ip
RuijieR1(config)#mpls router ldp
RuijieR1(config-mpls-router)#ldp router-id interface loopback 0 force
RuijieR1(config-mpls-router)#exit
RuijieR1(config)#interface gigabitEthernet 0/0
RuijieR1(config-if-GigabitEthernet 0/0)#mtu 1530
RuijieR1(config-if-GigabitEthernet 0/0)#label-switching
RuijieR1(config-if-GigabitEthernet 0/0)#mpls ip
RuijieR1(config-if-GigabitEthernet 0/0)#exit
RuijieR1(config)#interface gigabitEthernet 0/1
RuijieR1(config-if-GigabitEthernet 0/1)#mtu 1530
RuijieR1(config-if-GigabitEthernet 0/1)#label-switching
RuijieR1(config-if-GigabitEthernet 0/1)#mpls ip
RuijieR1(config-if-GigabitEthernet 0/1)#exit
RuijieR1(config)#router bgp 100
RuijieR1(config-router)#bgp router-id 11.1.0.1
RuijieR1(config-router)#no bgp default ipv4-unicast
RuijieR1(config-router)#bgp log-neighbor-changes
RuijieR1(config-router)#address-family vpnv4 unicast
RuijieR1(config-router-af)#neighbor 11.1.0.2 activate
RuijieR1(config-router-af)#neighbor 11.1.0.2 send-community extended
RuijieR1(config-router-af)#neighbor 11.1.0.3 activate
RuijieR1(config-router-af)#neighbor 11.1.0.3 send-community extended
RuijieR1(config-router-af)#exit-address-family
RuijieR1(config-router)#exit
RuijieR1(config)#ip vrf VPNA
RuijieR1(config-vrf)#rd 100:1
RuijieR1(config-vrf)#route-target bo
RuijieR1(config-vrf)#route-target both 1:1
RuijieR1(config-vrf)#exit
RuijieR1(config)#router ospf 10 vrf VPNA
RuijieR1(config-router)#router-id 10.1.0.10
RuijieR1(config-router)#redistribute bgp metric-type 1 subnets
RuijieR1(config-router)#network 10.1.0.10 0.0.0.0 area 0
RuijieR1(config-router)#exit
RuijieR1(config)#router bgp 100
RuijieR1(config-router)#address-family ipv4 vrf VPNA
RuijieR1(config-router-af)#maximum-prefix 10000
RuijieR1(config-router-af)#redistribute ospf 10 match internal external
RuijieR1(config-router-af)#exit-address-family
RuijieR1(config-router)#exit
RuijieR1(config)#exit
RuijieR1#

RuijieR2#configure
RuijieR2(config)#mpls ip
RuijieR2(config)#mpls router ldp
RuijieR2(config-mpls-router)#ldp router-id interface loopback 0 force
RuijieR2(config-mpls-router)#exit
RuijieR2(config)#interface gigabitEthernet 0/1
RuijieR2(config-if-GigabitEthernet 0/1)#mtu 1530
RuijieR2(config-if-GigabitEthernet 0/1)#label-switching
RuijieR2(config-if-GigabitEthernet 0/1)#mpls ip
RuijieR2(config-if-GigabitEthernet 0/1)#exit
RuijieR2(config)#router bgp 100
RuijieR2(config-router)#bgp router-id 11.1.0.2
RuijieR2(config-router)#no bgp default ipv4-unicast
RuijieR2(config-router)#bgp log-neighbor-changes
RuijieR2(config-router)#address-family vpnv4 unicast
RuijieR2(config-router-af)#neighbor 11.1.0.1 activate
RuijieR2(config-router-af)#neighbor 11.1.0.1 send-community extended
RuijieR2(config-router-af)#exit-address-family
RuijieR2(config-router)#exit
RuijieR2(config)#ip vrf VPNA
RuijieR2(config-vrf)#rd 100:2
RuijieR2(config-vrf)#route-target both 1:1
RuijieR2(config-vrf)#exit
RuijieR2(config)#interface gigabitEthernet 0/0
RuijieR2(config-if-GigabitEthernet 0/0)#ip vrf forwarding VPNA
RuijieR2(config-if-GigabitEthernet 0/0)#ip address 10.1.0.18 30
RuijieR2(config-if-GigabitEthernet 0/0)#exit
RuijieR2(config)#router ospf 20 vrf VPNA
RuijieR2(config-router)#router-id 10.1.0.18
RuijieR2(config-router)#redistribute bgp metric-type 1 subnets
RuijieR2(config-router)#network 10.1.0.18 0.0.0.0 area 0
RuijieR2(config-router)#exit
RuijieR2(config)#router bgp 100
RuijieR2(config-router)#address-family ipv4 vrf VPNA
RuijieR2(config-router-af)#maximum-prefix 10000
RuijieR2(config-router-af)#redistribute ospf 30 match internal external
RuijieR2(config-router-af)#exit-address-family
RuijieR2(config-router)#exit
RuijieR2(config)#exit
RuijieR2#

RuijieR3#configure
RuijieR3(config)#mpls ip
RuijieR3(config)#mpls router ldp
RuijieR3(config-mpls-router)#ldp router-id interface loopback 0 force
RuijieR3(config)#interface gigabitEthernet 0/1
RuijieR3(config-if-GigabitEthernet 0/1)#mtu 1530
RuijieR3(config-if-GigabitEthernet 0/1)#label-switching
RuijieR3(config-if-GigabitEthernet 0/1)#mpls ip
RuijieR3(config-if-GigabitEthernet 0/1)#exit
RuijieR3(config)#router bgp 100
RuijieR3(config-router)#bgp router-id 11.1.0.3
RuijieR3(config-router)#no bgp default ipv4-unicast
RuijieR3(config-router)#bgp log-neighbor-changes
RuijieR3(config-router)#address-family vpnv4 unicast
RuijieR3(config-router-af)#neighbor 11.1.0.1 activate
RuijieR3(config-router-af)#neighbor 11.1.0.1 send-community extended
RuijieR3(config-router-af)#exit-address-family
RuijieR3(config-router)#exit
RuijieR3(config)#ip vrf VPNA
RuijieR3(config-vrf)#rd 100:3
RuijieR3(config-vrf)#route-target both 1:1
RuijieR3(config-vrf)#exit
RuijieR3(config)#interface gigabitEthernet 0/0
RuijieR3(config-if-GigabitEthernet 0/0)#ip vrf forwarding VPNA
RuijieR3(config-if-GigabitEthernet 0/0)#ip address 10.1.0.22 30
RuijieR3(config-if-GigabitEthernet 0/0)#exit
RuijieR3(config)#router ospf 30 vrf VPNA
RuijieR3(config-router)#router-id 10.1.0.22
RuijieR3(config-router)#redistribute bgp metric-type 1 subnets
RuijieR3(config-router)#network 10.1.0.22 0.0.0.0 area 0
RuijieR3(config-router)#exit
RuijieR3(config)#router bgp 100
RuijieR3(config-router)#address-family ipv4 vrf VPNA
RuijieR3(config-router-af)#maximum-prefix 10000
RuijieR3(config-router-af)#redistribute ospf 40 match internal external
RuijieR3(config-router-af)#exit-address-family
RuijieR3(config-router)#exit
RuijieR3(config)#exit
RuijieR3#

结果验证

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【锐捷路由】域内MPLS VPN配置

配置要求

网络拓扑

地址规划

配置命令（地址配置略）

RuijieR1和RuijieS1之间运行OSPF，归属区域0，进程号10

RuijieR2和RuijieS2之间运行OSPF，归属区域0，进程号20

RuijieR3和RuijieS3之间运行OSPF，归属区域0，进程号30

RuijieR1、RuijieR2和RuijieR3之间运行IBGP，AS号为100。IGP协议使用OSPF，归属区域0，进程号40。定义RuijieR1为路由反射器RR，使用Loopback接口建立BGP邻居关系

RuijieR1、RuijieR2和RuijieR3三个网络内部的局域网之间，通过MPLS VPN技术实现安全访问，其中RuijieR1、RuijieR2和RuijieR3开启MPLS报文转发及LDP标签转发协议，VRF名称为VPNA，RD值分别为100:1、100:2、100:3，RT值均为1:1。

结果验证

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