Router:sam-i-am(VPN Server)

Current configuration:
!
version 12.2
service timestamps debug uptime
service timestamps log up time
no service passWord-encryption
!
hostname sam-i-am
!
ip subnet-zero

!--- IKE配置

sam-i-am(config)#crypto isakmp policy 1 //定義策略為1
sam-i-am(isakmp)#hash md5 //定義MD5散列算法
sam-i-am(isakmp)#authentication PRe-share //定義為預共享密鑰認證方式
sam-i-am(config)#crypto isakmp key cisco123 address 0.0.0.0 0.0.0.0

!--- 配置預共享密鑰為cisco123,對等端為所有IP

!--- IPSec協議配置

sam-i-am(config)#crypto ipsec transform-set rtpset esp-des esp-md5-hmac

!--- 創建變換集 esp-des esp-md5-hmac

sam-i-am(config)#crypto dynamic-map rtpmap 10 //創建動態保密圖rtpmap 10
san-i-am(crypto-map)#set transform-set rtpset //使用上面的定義的變換集rtpset
san-i-am(crypto-map)#match address 115 //援引訪問列表確定受保護的流量
sam-i-am(config)#crypto map rtptrans 10 ipsec-isakmp dynamic rtpmap

!--- 將動態保密圖集加入到正規的圖集中

!
interface Ethernet0
ip address 10.2.2.3 255.255.255.0
no ip directed-broadcast
ip nat inside

no mop enabled
!
interface Serial0
ip address 99.99.99.1 255.255.255.0
no ip directed-broadcast
ip nat outside
crypto map rtptrans //將保密映射應用到S0接口上

!
ip nat inside source route-map nonat interface Serial0 overload
!--- 這個NAT配置啟用了路由策略，內容為10.2.2.0到10.1.1.0的訪問不進行地址翻譯
!--- 到其他網絡的訪問都翻譯成SO接口的IP地址

ip classless
ip route 0.0.0.0 0.0.0.0 Serial0 //配置靜態路由協議
no ip http server
!
access-list 115 permit ip 10.2.2.0 0.0.0.255 10.1.1.0 0.0.0.255
access-list 115 deny ip 10.2.2.0 0.0.0.255 any
!
access-list 120 deny ip 10.2.2.0 0.0.0.255 10.1.1.0 0.0.0.255
access-list 120 permit ip 10.2.2.0 0.0.0.255 any
!
sam-i-am(config)#route-map nonat permit 10 //使用路由策略
sam-i-am(router-map)#match ip address 120
!
line con 0
transport input none
line aux 0
line vty 0 4
password ww
login
!
end



Router:dr_whoovie(VPN Client)


Current configuration:
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname dr_whoovie
!
ip subnet-zero
!
dr_whoovie(config)#crypto isakmp policy 1 //定義策略為1
dr_whoovie(isakmp)#hash md5 //定義MD5散列算法
dr_whoovie(isakmp)#authentication pre-share //定義為預共享密鑰認證方式
dr_whoovie(config)#crypto isakmp key cisco123 address 99.99.99.1

!--- 配置預共享密鑰為cisco123,對等端為服務器端IP99.99.99.1

!--- IPSec協議配置

dr_whoovie(config)#crypto ipsec transform-set rtpset esp-des esp-md5-hmac

!--- 創建變換集 esp-des esp-md5-hmac

dr_whoovie(config)#crypto map rtp 1 ipsec-isakmp

!--- 使用IKE創建保密圖rtp 1

dr_whoovie(crypto-map)#set peer 99.99.99.1 //確定遠程對等端
dr_whoovie(crypto-map)#set transform-set rtpset //使用上面的定義的變換集rtpset
dr_whoovie(crypto-map)#match address 115 //援引訪問列表確定受保護的流量

!
interface Ethernet0
ip address 10.1.1.1 255.255.255.0
no ip directed-broadcast
ip nat inside

no mop enabled
!
interface Serial0
ip address negotiated //IP地址自動獲取
no ip directed-broadcast
ip nat outside
encapsulation ppp //S0接口封裝ppp協議
no ip mroute-cache
no ip route-cache
crypto map rtp //將保密映射應用到S0接口上

!
ip nat inside source route-map nonat interface Serial0 overload
!--- 這個NAT配置啟用了路由策略，內容為10.1.1.0到10.2.2.0的訪問不進行地址翻譯
!--- 到其他網絡的訪問都翻譯成SO接口的IP地址

ip classless
ip route 0.0.0.0 0.0.0.0 Serial0 //配置靜態路由協議
no ip http server

!
access-list 115 permit ip 10.1.1.0 0.0.0.255 10.2.2.0 0.0.0.255
access-list 115 deny ip 10.1.1.0 0.0.0.255 any

access-list 120 deny ip 10.1.1.0 0.0.0.255 10.2.2.0 0.0.0.255
access-list 120 permit ip 10.1.1.0 0.0.0.255 any

!
dialer-list 1 protocol ip permit
dialer-list 1 protocol ipx permit
route-map nonat permit 10 //使用路由策略
match ip address 120
!
line con 0
transport input none
line aux 0
line vty 0 4
password ww
login
!
end

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