MPLS VPN 实验

P互联地址、BGP AS号如图所示。R3为VPN路由反射器,R2、R4为R3的客户端。BGP AS 65100内通过IS-IS构建底层网络。R2、R4是MPLS VPN网络的PE设备,R1、R5为Finance VPN的CE设备,R1、R6、R7为OA VPN的CE设备。

实验要求

某企业网络有一个总部(Headquarter)与3个分支,其中分支一(Branch1)的主要业务是财务,分支二(Branch2)与分支三(Branch3)的主要业务是企业办公业务。

企业总部需要接收分支一、分支二、分支三的路由条目,分支一不允许接收分支二与分支三的路由条目。该企业骨干网规模较大,所以需要使用VPN RR简化配置。

R1配置

[BEGIN] 2025-01-18 20:07:40
<R1>DIS CU
#
sysname R1
#
router id 10.10.10.1
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
firewall zone Local
 priority 16
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1                     
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
 ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.1 255.255.255.255
#                                         
ospf 1
 area 0.0.0.0
  network 10.10.10.1 0.0.0.0
  network 10.0.12.0 0.0.0.255
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:07:50
 

R2配置.

[BEGIN] 2025-01-18 20:07:14


<R2>DIS CU
#
sysname R2
#
router id 10.10.10.2
#
ip vpn-instance Finance&OA
 ipv4-family
  route-distinguisher 65100:12
  vpn-target 65100:12 65001:65002 export-extcommunity
  vpn-target 65100:12 65001:65002 import-extcommunity
#
ip vpn-instance OA
 ipv4-family
  route-distinguisher 65001:2
  vpn-target 65001:65002 export-extcommunity
  vpn-target 65001:65002 import-extcommunity
#
mpls lsr-id 10.10.10.2
mpls
#
mpls ldp
#
#
aaa
 authentication-scheme default            
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
isis 1
 is-level level-2
 cost-style wide
 network-entity 49.0001.0100.1001.0002.00
 is-name R2
#
firewall zone Local
 priority 16
#
monitor-group ldp
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp                        
#
interface Serial0/0/1
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
 ip binding vpn-instance OA
 ip address 10.0.27.2 255.255.255.0
#
interface GigabitEthernet0/0/1
 ip address 10.0.24.2 255.255.255.0
 isis enable 1
 mpls
 mpls ldp
#
interface GigabitEthernet0/0/2
 ip address 10.0.23.2 255.255.255.0
 isis enable 1
 mpls                                     
 mpls ldp
#
interface GigabitEthernet0/0/3
 ip binding vpn-instance Finance&OA
 ip address 10.0.12.2 255.255.255.0
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.2 255.255.255.255
 isis enable 1
#
bgp 65100
 undo default ipv4-unicast
 peer 10.10.10.3 as-number 65100
 peer 10.10.10.3 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  undo peer 10.10.10.3 enable
 #
 ipv4-family vpnv4                        
  policy vpn-target
  peer 10.10.10.3 enable
 #
 ipv4-family vpn-instance Finance&OA
  network 10.10.10.1 255.255.255.255
 #
 ipv4-family vpn-instance OA
  peer 10.0.27.7 as-number 65001
#
ospf 1 vpn-instance Finance&OA
 import-route bgp
 area 0.0.0.0
  network 10.0.12.0 0.0.0.255
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:07:28
R3配置

[BEGIN] 2025-01-18 20:06:52
<R3>DIS CU
#
sysname R3
#
mpls lsr-id 10.10.10.3
mpls
#
mpls ldp
#
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
isis 1
 is-level level-2
 cost-style wide
 network-entity 49.0001.0100.1001.0003.00
 is-name R3
#
firewall zone Local                       
 priority 16
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
 ip address 10.0.34.3 255.255.255.0       
 isis enable 1
 mpls
 mpls ldp
#
interface GigabitEthernet0/0/3
 ip address 10.0.23.3 255.255.255.0
 isis enable 1
 mpls
 mpls ldp
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.3 255.255.255.255
 isis enable 1
#
bgp 65100
 undo default ipv4-unicast
 peer 10.10.10.2 as-number 65100
 peer 10.10.10.2 connect-interface LoopBack0
 peer 10.10.10.4 as-number 65100
 peer 10.10.10.4 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  undo peer 10.10.10.2 enable
  undo peer 10.10.10.4 enable
 #
 ipv4-family vpnv4
  undo policy vpn-target
  peer 10.10.10.2 enable
  peer 10.10.10.2 reflect-client
  peer 10.10.10.4 enable
  peer 10.10.10.4 reflect-client
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:07:03

R4配置

[BEGIN] 2025-01-18 20:06:27
<R4>
<R4>DIS CU
#
sysname R4
#
router id 10.10.10.4
#
ip vpn-instance Finance
 ipv4-family
  route-distinguisher 65100:1
  vpn-target 65100:12 export-extcommunity
  vpn-target 65100:12 import-extcommunity
#
ip vpn-instance OA
 ipv4-family
  route-distinguisher 65002:2
  vpn-target 65001:65002 export-extcommunity
  vpn-target 65001:65002 import-extcommunity
#
mpls lsr-id 10.10.10.4
mpls
#
mpls ldp
#
#
aaa
 authentication-scheme default            
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
isis 1
 is-level level-2
 cost-style wide
 network-entity 49.0001.0100.1001.0004.00
 is-name R4
#
firewall zone Local
 priority 16
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1                     
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
 ip binding vpn-instance OA
 ip address 10.0.46.4 255.255.255.0
#
interface GigabitEthernet0/0/1
 ip address 10.0.24.4 255.255.255.0
 isis enable 1
 mpls
 mpls ldp
#
interface GigabitEthernet0/0/2
 ip binding vpn-instance Finance
 ip address 10.0.45.4 255.255.255.0
#
interface GigabitEthernet0/0/3
 ip address 10.0.34.4 255.255.255.0       
 isis enable 1
 mpls
 mpls ldp
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.4 255.255.255.255
 isis enable 1
#
bgp 65100
 undo default ipv4-unicast
 peer 10.10.10.3 as-number 65100
 peer 10.10.10.3 connect-interface LoopBack0
 #
 ipv4-family unicast
  undo synchronization
  undo peer 10.10.10.3 enable
 #
 ipv4-family vpnv4
  undo policy vpn-target
  peer 10.10.10.3 enable                  
 #
 ipv4-family vpn-instance Finance
  network 10.10.10.5 255.255.255.255
 #
 ipv4-family vpn-instance OA
  peer 10.0.46.6 as-number 65002
#
ospf 1 vpn-instance Finance
 import-route bgp
 area 0.0.0.0
  network 10.0.45.0 0.0.0.255
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:06:41
R5配置

[BEGIN] 2025-01-18 20:05:55
<R5>DIS CU
#
sysname R5
#
router id 10.10.10.5
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
firewall zone Local
 priority 16
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1                     
 link-protocol ppp
#
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
 ip address 10.0.45.5 255.255.255.0
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.5 255.255.255.255
#                                         
ospf 1
 area 0.0.0.0
  network 10.10.10.5 0.0.0.0
  network 10.0.45.0 0.0.0.255
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:06:06
R6配置

[BEGIN] 2025-01-18 20:05:31


<R6>DIS CU
#
sysname R6
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
firewall zone Local
 priority 16
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1
 link-protocol ppp
#                                         
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
 ip address 10.0.46.6 255.255.255.0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.6 255.255.255.255
#
bgp 65002
 peer 10.0.46.4 as-number 65100           
 #
 ipv4-family unicast
  undo synchronization
  network 10.10.10.6 255.255.255.255
  peer 10.0.46.4 enable
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:05:42
 

R7配置

[BEGIN] 2025-01-18 20:05:08
<R7>DIS CU
#
sysname R7
#
aaa
 authentication-scheme default
 authorization-scheme default
 accounting-scheme default
 domain default
 domain default_admin
 local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
 local-user admin service-type http
#
firewall zone Local
 priority 16
#
interface Ethernet0/0/0
#
interface Ethernet0/0/1
#
interface Serial0/0/0
 link-protocol ppp
#
interface Serial0/0/1
 link-protocol ppp
#                                         
interface Serial0/0/2
 link-protocol ppp
#
interface Serial0/0/3
 link-protocol ppp
#
interface GigabitEthernet0/0/0
 ip address 10.0.27.7 255.255.255.0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
interface LoopBack0
 ip address 10.10.10.7 255.255.255.255
#
bgp 65001
 peer 10.0.27.2 as-number 65100           
 #
 ipv4-family unicast
  undo synchronization
  network 10.10.10.7 255.255.255.255
  peer 10.0.27.2 enable
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return

[END] 2025-01-18 20:05:20
 

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