DDNS方式建立Site-to-Site IPSEC ×××

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1.拓扑图:


113207860.jpg


互联网路由器模拟成一台DNS Server,实际环境需要内网一台pc作为DDNS 客户端,开机自动到公网去注册自己的域名。


相关链接:



http://xrmjjz.blog.51cto.com/blog/3689370/683538



2.基本接口配置:


参见:



http://333234.blog.51cto.com/323234/912231



3.静态路由配置:


参见:



http://333234.blog.51cto.com/323234/912231


4



.PAT配置:


参见:



http://333234.blog.51cto.com/323234/912231


5



.DNS server和client配置:



R3:DNS Server


ip domain name cisco.com

ip domain lookup

ip dns server

ip host R4.cisco.com 202.100.2.4

ip host R2.cisco.com 202.100.1.2



R1,R5:DNS Client


ip domain name cisco.com

ip domain lookup

ip name-server 202.100.1.3



6.×××配置:



A.第一阶段:




crypto isakmp policy 10

encr 3des

hash md5

authentication pre-share

group 2




crypto isakmp key cisco address



0.0.0.0






B.第二阶段:




crypto ipsec transform-set transet esp-3des esp-sha-hmac




C.感兴趣流和crymap:




R1(config)#ip access-list extended ***

R1(config-ext-nacl)#permit ip 192.168.1.0 0.0.0.255 192.168.2.0 0.0.0.255

R1(config-ext-nacl)#eixt

R1(config)#crypto map crymap 10 ipsec-isakmp

R1(config-crypto-map)#





set peer R4





dynamic





R1(config-crypto-map)#set transform-set transet

R1(config-crypto-map)#match address ***

R5(config)#ip access-list extended ***

R5(config-ext-nacl)#permit ip 192.168.2.0 0.0.0.255 192.168.1.0 0.0.0.255

R5(config-ext-nacl)#exit

R5(config)#crypto map crymap 10 ipsec-isakmp

R5(config-crypto-map)#





set peer R2





dynamic





R5(config-crypto-map)#set transform-set transet




D.物理接口应用crymap:




R1(config-crypto-map)#int f0/0

R1(config-if)#crypto map crymap

R5(config-crypto-map)#int f0/0

R5(config-if)#crypto map crymap

转载于:https://blog.51cto.com/333234/929755


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