ipip隧道详细配置

ipip隧道：

   A:?
   ip?tu?add?tunl1?mode?ipip?remote?192.168.1.18?local?192.168.1.254?
   ip?li?set?dev?tunl1?up?
   ip?ad?add?dev?tunl1?20.0.0.1/32?
   ip route add 20.0.0.0/24 dev eth0
   ip route add 30.0.0.0/24 dev tunl1

? B:?
? ip?tu?add?tunl1?mode?ipip?remote?192.168.1.254?local?192.168.1.18?
? ip?li?set?dev?tunl1?up?
? ip?ad?add?dev?tunl1?30.0.0.18/32?
   ip route add 20.0.0.0/24 dev tunl1
   ip route add 30.0.0.0/24 dev eth0

ipsec加密：
IPsec?                        
   AH? 鉴别?    esp?        加密? 
  
   A:? system-config-network-gui
       1，网卡名字(eth0)?
       2，主机到主机?
       3，通过IKA自动?
       4，对端B-_IP?
       5，密钥因子（两端一致）?
6,激活
   B:?system-config-network-gui
       1，网卡名字(eth0)?