AR28/AR46系列路由器L2VPN－Kompella典型配置

AR28/AR46系列路由器L2VPN－Kompella典型配置

【需求】

CE-A的S2/0/0和CE-B的S2/0/0之间建立一条本地的L2VPN连接，CE-A的S2/0/1和CE-C的S2/0/0建立一条远程的L2VPN连接。

【组网图】

 

【配置脚本】

CE-A配置脚本

# sysname CE-A # radius scheme system # domain system # interface Serial2/0/0 link-protocol ppp ip address 192.168.11.1 255.255.255.0 # interface Serial2/0/1 link-protocol ppp ip address 192.168.21.1 255.255.255.0 # interface NULL0 # user-interface con 0 user-interface vty 0 4 # return

CE-B配置脚本

# sysname CE-B # radius scheme system # domain system # interface Serial2/0/0 link-protocol ppp ip address 192.168.11.2 255.255.255.0 # interface NULL0 # user-interface con 0 user-interface vty 0 4 # return

PE-A配置脚本

# sysname PE-A # router id 1.1.1.1 # mpls lsr-id 1.1.1.1 # mpls l2vpn                                        /启用MPLS L2VPN/ # # radius scheme system # mpls # mpls ldp # domain system # interface Serial2/0/0 link-protocol ppp # interface Serial2/0/1 link-protocol ppp # interface Serial2/0/2 link-protocol ppp # interface Serial2/0/3 link-protocol ppp ip address 10.0.0.1 255.255.255.252 mpls mpls ldp enable # interface NULL0 # interface LoopBack0 ip address 1.1.1.1 255.255.255.255 # bgp 100 undo synchronization group inter internal peer 3.3.3.3 group inter                          /和PE-B建立BGP邻居/ peer 3.3.3.3 connect-interface LoopBack0 # l2vpn-family                                      /创建L2VPN地址族/ peer inter enable                                 /使能peer inter/ # ospf 1 area 0.0.0.0 network 1.1.1.1 0.0.0.0 network 10.0.0.0 0.0.0.3 # mpls l2vpn vpna encapsulation ppp                 /创建VPN实例“vpna”，封装为ppp/ route-distinguisher 100:1                         /RD=100:1/ vpn-target 100:1 import-extcommunity              /RT=100:1/ vpn-target 100:1 export-extcommunity mtu 1500 ce ce-a id 1 range 10 default-offset 0            /创建ce“ce-a”/ connection ce-offset 3 interface Serial2/0/1 /配置和CE-C的远程连接/ connection ce-offset 2 interface Serial2/0/0  /配置和CE-B的本地连接/ ce ce-b id 2 range 10 default-offset 0            /创建ce“ce-b”/ connection ce-offset 1 interface Serial2/0/2    /配置和CE-A的本地连接/ # # user-interface con 0 user-interface vty 0 4 # return

P配置脚本

# sysname P # router id 2.2.2.2 # mpls lsr-id 2.2.2.2 # radius scheme system # mpls # mpls ldp # domain system # interface Serial2/0/0 link-protocol ppp ip address 10.0.0.2 255.255.255.252 mpls mpls ldp enable # interface Serial2/0/1 link-protocol ppp ip address 10.0.0.5 255.255.255.252 mpls mpls ldp enable # interface NULL0 # interface LoopBack0 ip address 2.2.2.2 255.255.255.255 # ospf 1 area 0.0.0.0 network 2.2.2.2 0.0.0.0 network 10.0.0.0 0.0.0.3 network 10.0.0.4 0.0.0.3 # user-interface con 0 user-interface vty 0 4 # return

PE-B配置脚本

# sysname PE-B # router id 3.3.3.3 # mpls lsr-id 3.3.3.3 # mpls l2vpn                                        /启用MPLS L2VPN/ # # radius scheme system # mpls # mpls ldp # domain system # interface Serial2/0/0 link-protocol ppp ip address 10.0.0.6 255.255.255.252 mpls mpls ldp enable # interface Serial2/0/1 link-protocol ppp # interface NULL0 # interface LoopBack0 ip address 3.3.3.3 255.255.255.255 # bgp 100 undo synchronization group inter internal peer 1.1.1.1 group inter                          /和PE-A建立BGP邻居/ peer 1.1.1.1 connect-interface LoopBack0 # l2vpn-family                                      /创建L2VPN地址族/ peer inter enable                                 /使能peer inter/ # ospf 1 area 0.0.0.0 network 3.3.3.3 0.0.0.0 network 10.0.0.4 0.0.0.3 # mpls l2vpn vpna encapsulation ppp                 /创建VPN实例“vpna”，封装为ppp/ route-distinguisher 100:1                         /RD=100:1/ vpn-target 100:1 import-extcommunity              /RT=100:1/ vpn-target 100:1 export-extcommunity mtu 1500 ce ce-c id 3 range 10 default-offset 0            /创建ce“ce-c”/ connection ce-offset 1 interface Serial2/0/1      /配置和CE-A的远程连接/ # # user-interface con 0 user-interface vty 0 4 # return

CE-C配置脚本

# sysname CE-C # radius scheme system # domain system # interface Serial2/0/0 link-protocol ppp ip address 192.168.21.2 255.255.255.0 # interface NULL0 # user-interface con 0 user-interface vty 0 4 # return

                                                                

【验证】

查看PE-A的l2vpn连接状态：

<PE-A>disp mpls l2vpn connection                                               

total connections: 3,                                                           

connections: 3 up, 0 down, 2 local, 1 remote, 0 unknown                        

                                                                               

VPN-Instance Name: vpna,                                                        

total connections: 3,                                                          

connections: 3 up, 0 down, 2 local, 1 remote, 0 unknown                        

                                                                               

  CE Name: ce-a, id: 1,                                                        

  Rid type status peer-id         route-distinguisher   intf                   

  3   rmt  up     3.3.3.3         100:1                 Serial2/0/1            

  2   loc  up     ---             ---                   Serial2/0/0            

                                                                               

  CE Name: ce-b, id: 2,                                                        

  Rid type status peer-id         route-distinguisher   intf                   

  1   loc  up     ---             ---                   Serial2/0/2 

 

 

查看PE-B的l2vpn连接状态：

<PE-B>disp mpls l2vpn connection                                               

total connections: 1,                                                           

connections: 1 up, 0 down, 0 local, 1 remote, 0 unknown                        

                                                                               

VPN-Instance Name: vpna,                                                        

total connections: 1,                                                          

connections: 1 up, 0 down, 0 local, 1 remote, 0 unknown                        

                                                                               

  CE Name: ce-c, id: 3,                                                        

  Rid type status peer-id         route-distinguisher   intf                   

  1   rmt  up     1.1.1.1         100:1                 Serial2/0/1

 

 

【提示】

Kompella方式的VC标签由MP-BGP来发布。下图为二层标签示意图。