[求助]linux 如何在两个 tun 之间转发数据包? - V2EX
Distributions
Ubuntu
Fedora
CentOS
中文资源站
网易开源镜像站
ihciah
0.2D
0.03D
V2EX    Linux

[求助]linux 如何在两个 tun 之间转发数据包?

  •  
  •   ihciah
    ihciah Apr 24, 2015 5769 views
    This topic created in 4042 days ago, the information mentioned may be changed or developed.

    在同一台机器(A)上同时开了一个openvpn的服务端和客户端
    客户端连接B主机,设备tun3,10.8.0.x
    服务端对其他机器提供ovpn服务,设备tun9,10.9.0.1
    如何将tun9的数据包经过tun3中转呢?

    谢谢!

    6 replies    2015-04-26 09:10:39 +08:00
    aarwwefdds
        1
    aarwwefdds  
       Apr 24, 2015   1
    你需要策略路由。。用ip route命令新建一个路由表1。用ip rule 将来自10.9.0.1/16的数据包走路由表1 然后设定路由表1的默认路由到tun3设备的网关

    一般的做法还得到“B”设置返回的路由,不过如果你不介意多次NAT,可以用iptables直接设置NAT表POSTROUTING链默认指向MASQUERADE就可以了
    catinsnow
        2
    catinsnow  
       Apr 24, 2015 via Android   1
    定义个路由表默认走tun3, 用策略路由 ip rule让10.9.0段IP lookup 这个表。
    tmqhliu
        3
    tmqhliu  
       Apr 24, 2015   1
    内核开启转发功能,然后再添加路由即可
    ihciah
        4
    ihciah  
    OP
       Apr 24, 2015
    感谢大家!
    问题解决:
    iptables -t nat -A POSTROUTING -s 10.9.0.0/24 -o tun3 -j MASQUERADE

    发现虽然转了两层openvpn,浏览网页正常,DNS正常,iOS的ingress依旧提示无法建立安全连接QAQ
    opkgopkg
        5
    opkgopkg  
       Apr 25, 2015 via Android
    萌。
    liuchen9586
        6
    liuchen9586  
       Apr 26, 2015
    t/180070

    也许我写的这个教程能帮到你
    About     Help     Advertise     Blog     API     FAQ     Solana     2777 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 48ms UTC 14:39 PVG 22:39 LAX 07:39 JFK 10:39
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86