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MSR系列路由器MPLS L3VPN跨域方案A功能的配置

关键词：MSR;MPLS;L3VPN;跨域;OptionA

一、组网需求：

peA和asbrA在AS1，peB和asbrB在AS2；peA和peB都下挂着vpna和vpnb的站点，peA下挂vpna和vpnb站点1，peB下挂vpna和vpnb站点2。

设备清单：MSR系列路由器4台

二、组网图：

三、配置步骤： peA配置：

#

router id 3.3.3.3 #

ip vpn-instance vpna route-distinguisher 3:1

vpn-target 1:1 export-extcommunity vpn-target 1:1 import-extcommunity

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#

ip vpn-instance vpnb route-distinguisher 3:2

vpn-target 2:2 export-extcommunity vpn-target 2:2 import-extcommunity #

mpls lsr-id 3.3.3.3 # mpls # mpls ldp #

interface Ethernet0/0 port link-mode route

ip address 1.3.0.3 255.255.255.0 mpls mpls ldp #

interface Ethernet0/1 port link-mode route ip binding vpn-instance vpna ip address 192.168.1.1 255.255.255.0 #

interface Ethernet1/0 port link-mode route ip binding vpn-instance vpnb ip address 172.32.1.1 255.255.255.0 #

interface LoopBack0

ip address 3.3.3.3 255.255.255.255

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# bgp 1

undo synchronization peer 1.1.1.1 as-number 1

peer 1.1.1.1 connect-interface LoopBack0 #

ipv4-family vpnv4 peer 1.1.1.1 enable #

ipv4-family vpn-instance vpna import-route direct #

ipv4-family vpn-instance vpnb import-route direct # ospf 1 area 0.0.0.0

network 3.3.3.3 0.0.0.0 network 1.3.0.0 0.0.0.255 #

asbrA配置：

router id 1.1.1.1 #

ip vpn-instance vpna route-distinguisher 1:1

vpn-target 1:1 export-extcommunity vpn-target 1:1 import-extcommunity #

ip vpn-instance vpnb route-distinguisher 1:2

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