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MSR绯诲垪璺敱鍣�

MPLS L3VPN璺ㄥ煙鏂规C鍔熻兘鐨勯厤缃�

鍏抽敭璇嶏細MSR;MPLS;L3VPN;璺ㄥ煙;OptionC

涓€銆�缁勭綉闇€姹�锛�

peA鍜�asbrA鍦�AS1锛�peB鍜�asbrB鍦�AS2锛�peA鍜�peB閮戒笅鎸傜潃vpna鍜�vpnb鐨勭珯鐐癸紝peA涓嬫寕vpna鍜�vpnb绔欑偣1锛�peB涓嬫寕vpna鍜�vpnb绔欑偣2銆�

璁惧娓呭崟锛�MSR绯诲垪璺敱鍣�4鍙�

浜屻€佺粍缃戝浘锛�

涓夈€侀厤缃楠わ細

璁惧鍜岀増鏈細MSR绯诲垪銆�Version 5.20, Release 1509

peA閰嶇疆锛�

#

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

#

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

#

bgp 1

undo synchronization

peer 4.4.4.4 as-number 2                     //涓�peB寤虹珛EBGP杩炴帴

peer 1.1.1.1 as-number 1

peer 4.4.4.4 ebgp-max-hop 64                 //鏀寔澶氳烦EBGP杩炴帴

peer 4.4.4.4 connect-interface LoopBack0     //浣跨敤鐜洖鍙ｈ繛鎺�

peer 1.1.1.1 label-route-capability          //浣胯兘鏍囩璺敱鑳藉姏

peer 1.1.1.1 connect-interface LoopBack0

#

ipv4-family vpnv4

peer 4.4.4.4 enable                         //涓�peB浜ゆ崲vpn璺敱

#

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閰嶇疆锛�

router id 1.1.1.1

#

mpls lsr-id 1.1.1.1

#

mpls

#

mpls ldp

#

acl number 2000             //瀹氫箟ACL鐢ㄤ簬璺敱绛栫暐

rule 0 permit source 3.3.3.3 0

rule 5 deny

#

interface Ethernet0/0

port link-mode route

ip address 1.2.0.1 255.255.255.0

mpls                       //浣胯兘MPLS娴侀噺杞彂鑳藉姏

#

interface Ethernet0/1

port link-mode route

ip address 1.3.0.1 255.255.255.0

mpls

mpls ldp

#

interface LoopBack0

ip address 1.1.1.1 255.255.255.255

#

bgp 1

network 3.3.3.3 255.255.255.255         //寮曞叆peA璺敱

undo synchronization

peer 1.2.0.2 as-number 2

peer 3.3.3.3 as-number 1

peer 1.2.0.2 route-policy asbrB export  //搴旂敤璺敱绛栫暐

peer 1.2.0.2 label-route-capability     //浣胯兘鏍囩璺敱鑳藉姏

peer 3.3.3.3 route-policy peA export    //搴旂敤璺敱绛栫暐

peer 3.3.3.3 label-route-capability     //浣胯兘鏍囩璺敱鑳藉姏

peer 3.3.3.3 connect-interface LoopBack0

#

ospf 1

area 0.0.0.0

network 1.1.1.1 0.0.0.0

network 1.3.0.0 0.0.0.255

#

route-policy asbrB permit node 0          //瀵�asbrB鐨勮矾鐢辩瓥鐣�

if-match acl 2000                        //鍖归厤鏉′欢

apply mpls-label                         //鍒嗘爣绛炬搷浣�

route-policy peA permit node 0           //瀵�peA鐨勮矾鐢辩瓥鐣�

if-match mpls-label                      //鍖归厤鏉′欢

apply mpls-label                         //鍒嗘爣绛�

#

asbrB閰嶇疆锛�

#

router id 2.2.2.2

#

mpls lsr-id 2.2.2.2

#

mpls

#

mpls ldp

#

acl number 2000             //瀹氫箟ACL鐢ㄤ簬璺敱绛栫暐

rule 0 permit source 4.4.4.4 0

rule 5 deny

#

interface Ethernet0/0

port link-mode route

ip address 1.2.0.2 255.255.255.0

mpls                       //浣胯兘MPLS娴侀噺杞彂鑳藉姏

#

interface Ethernet0/1

port link-mode route

ip address 2.4.0.2 255.255.255.0

mpls

mpls ldp

#

interface LoopBack0

ip address 2.2.2.2 255.255.255.255

#

bgp 2

network 4.4.4.4 255.255.255.255           //寮曞叆peB璺敱

undo synchronization

peer 1.2.0.1 as-number 1

peer 4.4.4.4 as-number 2

peer 1.2.0.1 route-policy asbrA export    //搴旂敤璺敱绛栫暐

peer 1.2.0.1 label-route-capability       //浣胯兘鏍囩璺敱鑳藉姏

peer 4.4.4.4 route-policy peB export      //搴旂敤璺敱绛栫暐

peer 4.4.4.4 label-route-capability       //浣胯兘鏍囩璺敱鑳藉姏

peer 4.4.4.4 connect-interface LoopBack0

#

ospf 1

area 0.0.0.0

network 2.2.2.2 0.0.0.0

network 2.4.0.0 0.0.0.255

#

route-policy asbrA permit node 0           //瀵�asbrA鐨勮矾鐢辩瓥鐣�

if-match acl 2000                        //鍖归厤鏉′欢

apply mpls-label                          //鍒嗘爣绛炬搷浣�

route-policy peB permit node 0            //瀵�peB鐨勮矾鐢辩瓥鐣�

if-match mpls-label                       //鍖归厤鏉′欢

apply mpls-label                         //鍒嗘爣绛�

#

peB閰嶇疆锛�

router id 4.4.4.4

#

ip vpn-instance vpna

route-distinguisher 4:1

vpn-target 1:1 export-extcommunity

vpn-target 1:1 import-extcommunity

#

ip vpn-instance vpnb

route-distinguisher 4:2

vpn-target 2:2 export-extcommunity

vpn-target 2:2 import-extcommunity

#

mpls lsr-id 4.4.4.4

#

mpls

#

mpls ldp

#

interface Ethernet0/0

port link-mode route

ip address 2.4.0.4 255.255.255.0

mpls

mpls ldp

#

interface Ethernet0/1

port link-mode route

ip binding vpn-instance vpna

ip address 192.168.2.1 255.255.255.0

#

interface Ethernet1/0

port link-mode route

ip binding vpn-instance vpnb

ip address 172.32.2.1 255.255.255.0

#

interface LoopBack0

ip address 4.4.4.4 255.255.255.255

#

bgp 2

undo synchronization

peer 3.3.3.3 as-number 1                 //涓�peA寤虹珛EBGP杩炴帴

peer 2.2.2.2 as-number 2

peer 3.3.3.3 ebgp-max-hop 64             //鏀寔澶氳烦EBGP杩炴帴

peer 3.3.3.3 connect-interface LoopBack0 //浣跨敤鐜洖鍙ｈ繛鎺�

peer 2.2.2.2 label-route-capability      //浣胯兘鏍囩璺敱鑳藉姏

peer 2.2.2.2 connect-interface LoopBack0

#

ipv4-family vpnv4

peer 3.3.3.3 enable                     //涓�peA浜ゆ崲vpn璺敱

#

ipv4-family vpn-instance vpna

import-route direct

#

ipv4-family vpn-instance vpnb

import-route direct

#

ospf 1

area 0.0.0.0

network 4.4.4.4 0.0.0.0

network 2.4.0.0 0.0.0.255

#

鍥涖€�閰嶇疆鍏抽敭鐐�锛�

1.      asbr涓婅閰嶇疆鍖归厤pe鐜洖鎺ュ彛鍦板潃鐨�ACL銆佸asbr鍜�pe鐨勮矾鐢辩瓥鐣ワ紱

2.      asbr闂翠笉浼犻€�vpn璺敱锛屼絾鏄湪bgp涓寮曞叆pe鐜洖鎺ュ彛璺敱锛�

3.      asbr涓婅浠旂粏閰嶇疆璺敱绛栫暐锛�

4.      asbr闂村拰asbr-pe闂撮兘瑕佷娇鑳�bgp璺敱鏍囩鑳藉姏锛�

5.      pe闂村缓绔嬪璺�EBGP杩炴帴蹇呴』瑕佹敞鎰忓璺抽€夐」锛�

6.      pe闂寸殑澶氳烦EBGP杩炴帴蹇呴』浣跨敤鐜洖鎺ュ彛寤虹珛杩炴帴銆�