IP Tunnel using GRE on Linux - V2EX
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V2EX    Linux

IP Tunnel using GRE on Linux

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  •   Livid
    PRO
    Jul 10, 2014 5761 views
    This topic created in 4309 days ago, the information mentioned may be changed or developed.
    9 replies    2014-08-01 03:42:20 +08:00
    liuchen9586
        1
    liuchen9586  
       Jul 10, 2014
    好东西,可以用来做策略路由。不过这个跟linux的IPIP隧道又有什么区别?我现在两台机器是用ipip隧道的
    julyclyde
        2
    julyclyde  
       Jul 10, 2014   1
    @liuchen9586 区别只在于GRE有RFC而ipip是Linux自己寨的
    msg7086
        3
    msg7086  
       Jul 10, 2014
    ipip我记得是有限制的,具体是什么我忘了,依稀是在LET上看到的,有兴趣可以去爬一下帖子
    liuchen9586
        4
    liuchen9586  
       Jul 10, 2014
    @julyclyde GRE带不带加密?
    tywtyw2002
        5
    tywtyw2002  
       Jul 11, 2014 via iPhone   1
    @liuchen9586 gre over ipsec
    ipsec用transfer mode就ok 没必要用tunnel mode
    规则是ip 协议47 加密。
    liuchen9586
        6
    liuchen9586  
       Jul 11, 2014
    @tywtyw2002 谢谢,我知道了。这样从国内服务器GRE到国外服务器,数据不会被墙审查吧?
    tywtyw2002
        7
    tywtyw2002  
       Jul 12, 2014 via iPhone   1
    应该不查,很多路由器都这么干,有钱搞个vpn加速卡。硬件ipsec加密
    liuchen9586
        8
    liuchen9586  
       Jul 31, 2014
    @tywtyw2002 请问!只建立了GRE隧道,请问这个隧道加不加密?
    您说的GRE over IPsec,是不是还要另行配置?能不能给个教程呢?
    小白不太懂,请多赐教~
    tywtyw2002
        9
    tywtyw2002  
       Aug 1, 2014   1
    @liuchen9586 gre 不加密

    gre over ipsec 是gre隧道 外面用ipsec 加密 有2种模式 tunnel 和 transport。
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