Slackware 13.1 - IPIP Tunnel
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Public domain
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### Tunnel (iptunnel)

    modprobe ipip
    iptunnel add tunl1 mode ipip remote 83.170.42.120 local 20.80.91.2
    ifconfig tunl1 10.100.100.1/30 pointopoint 10.100.100.2
    route add -host 192.168.205.1 gw 10.100.100.2


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### Tunnel (ip)

    modprobe ipip
    ip tu ad ipiptun mode ipip local 172.30.69.1 remote 172.30.69.2 ttl 64 dev eth1
    ip ad ad dev ipiptun 10.254.254.1 peer 10.254.254.2/32
    ip li se dev ipiptun up

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### Policy routing

    ip route add default via 10.100.100.2 table 5
    ip rule add from 172.17.0.0/24 table 5

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_BY: Pejman Moghadam_  
_TAG: tun, ipip, policy-route_  
_DATE: 2012-03-17 11:31:58_