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MSR系列路由器MPLS L3VPN + 静态路由配置

 

关键词:MSR;MPLS;BGP;VPN;静态路由

 

一、组网需求

2PE各接着一个vpna的站点,PEA连接vpna站点1出口CEAPEACEA通过静态路由访问CEA下挂站点

设备清单:MSR系列路由器3

二、组网图:

 

三、配置步骤:

设备和版本:MSR系列、Version 5.20, Release 1509

CEA配置

interface Ethernet0/0

 port link-mode route

 ip address 192.168.0.2 255.255.255.0

#

interface Ethernet0/1

 port link-mode route

 ip address 192.168.1.1 255.255.255.0

#

ip route-static 0.0.0.0 0.0.0.0 192.168.0.1

#

PEA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

#

mpls lsr-id 1.1.1.1

#

mpls

#

mpls ldp

#

interface Ethernet0/0

 port link-mode route

 ip address 1.2.0.1 255.255.255.0

 mpls

 mpls ldp

#

interface Ethernet0/1

 port link-mode route

 ip binding vpn-instance vpna

 ip address 192.168.0.1 255.255.255.0

rip version 2 multicast

#

interface LoopBack0

 ip address 1.1.1.1 255.255.255.255

#

bgp 1

 undo synchronization

 group 1 internal

 peer 1 connect-interface LoopBack0

 peer 2.2.2.2 group 1

 #

 ipv4-family vpnv4

  peer 1 enable

  peer 2.2.2.2 enable

  peer 2.2.2.2 group 1

 #

 ipv4-family vpn-instance vpna

  network 192.168.0.0

  import-route static

#

ospf 1

 area 0.0.0.0

  network 1.1.1.1 0.0.0.0

  network 1.2.0.0 0.0.0.255

#

ip route-static vpn-instance vpna 192.168.1.0 255.255.255.0 192.168.0.2

#

PEB配置:

#

 router id 2.2.2.2

#

ip vpn-instance vpna

 route-distinguisher 2:1

 vpn-target 1:1 export-extcommunity

 vpn-target 1:1 import-extcommunity

#

mpls lsr-id 2.2.2.2

#

mpls

#

mpls ldp

#

interface Ethernet0/0

 port link-mode route

 ip address 1.2.0.2 255.255.255.0

 mpls

 mpls ldp

#

interface Ethernet0/1

 port link-mode route

ip binding vpn-instance vpna

 ip address 172.32.0.1 255.255.255.0

#

interface LoopBack0

 ip address 2.2.2.2 255.255.255.255

#

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

#

ospf 1

 area 0.0.0.0

  network 2.2.2.2 0.0.0.0

  network 1.2.0.0 0.0.0.255

#

四、配置关键点

1.      CEA上需要配置访问其他vpn路由的静态路由;

2.      PEA上需要配置访问CEA下挂vpna站点1的静态路由

3.      PEABGP要引入静态vpna路由。

五、实验分析

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