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Cisco技术 / 解决方案 / 配置实例 / IPSec和NAT配合使用的实例

IPSec和NAT配合使用的实例

作者:     http://cisco.ccxx.net

  刚做完的实验,贴出来大家分享,虽然不是Cisco的设备,命令几乎完全相同,大家理解就行了。
  环境:两台博达2750路由器(1*E,1*FE),两台PC
  实验目的:两台路由器通过E0/1连接,实现IPSec VPN,使两台PC互访,并且都能分别通过路由器的NAT访问互联网。
  
  配置:
  RouterARouterA#sh run
  Building configuration...
  
  Current configuration:
  !
  !version 1.3.1E
  service timestamps log date
  service timestamps debug date
  no service password-encryption
  !
  hostname RouterA
  !
  !
  
  
  
  !
  crypto ipsec transform-set one
  !
  crypto map aaa 100 ipsec-manual
  set peer 192.0.0.2
  set security-association inbound esp 256 cipher abcdabcdabcdabcd
  set security-association outbound esp 1257 cipher 1234123412341234
  set transform-set one
  match address test
  !
  !
  interface FastEthernet0/0
  ip address 172.16.1.1 255.255.255.0
  no ip directed-broadcast
  ip nat inside
  !
  interface Ethernet0/1
  ip address 192.0.0.1255.255.255.0
  no ip directed-broadcast
  crypto map aaa
  duplex half
  ip nat outside
  !
  interface Serial0/0
  no ip address
  no ip directed-broadcast
  !
  interface Async0/0
  no ip address
  no ip directed-broadcast
  !
  !
  ip route default 192.0.0.3
  !
  !
  !
  !
  !
  ip access-list standard nat-2
  permit 172.16.1.0 255.255.255.0
  !
  ip access-list extended test
  permit ip 192.0.0.1255.255.255.0 192.0.0.2 255.255.255.0!
  !
  !
  !
  ip nat outside source static 192.0.0.2 172.16.2.2
  ip nat inside source static 172.16.1.2 192.0.0.1
  ip nat inside source list nat-2 interface Ethernet0/1
  !
  !
  !
  
  
  
  RouterB:
  
  
  RouterB#sh run
  Building configuration...
  
  Current configuration:
  !
  !version 1.3.1E
  service timestamps log date
  service timestamps debug date
  no service password-encryption
  !
  hostname RouterB
  !
  !
  !
  crypto ipsec transform-set one
  !
  crypto map aaa 100 ipsec-manual
  set peer 192.0.0.1
  set security-association inbound esp 1257 cipher 1234123412341234
  set security-association outbound esp 256 cipher abcdabcdabcdabcd
  set transform-set one
  match address test
  !
  !
  interface FastEthernet0/0
  ip address 172.16.2.1 255.255.255.0
  no ip directed-broadcast
  duplex half
  ip nat inside
  !
  interface Ethernet0/1
  ip address 192.0.0.2 255.255.255.248
  no ip directed-broadcast
  crypto map aaa
  ip nat outside
  !
  interface Serial0/0
  no ip address
  no ip directed-broadcast
  !
  interface Async0/0
  no ip address
  no ip directed-broadcast
  !
  !
  ip route default 192.0.0.3
  !
  !
  !
  !
  !
  ip access-list standard internet
  permit 172.16.2.0 255.255.255.0
  !
  ip access-list extended test
  permit ip 192.0.0.2 255.255.255.0 192.0.0.1 255.255.255.0
  !
  !
  !
  !
  ip nat inside source static 172.16.2.2 192.0.0.2
  ip nat outside source static 192.0.0.1 172.16.1.2
  ip nat inside source list internet interface Ethernet0/1
  !
  !
  !
  
  
  


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