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VPNC Route Help?

Discussion in 'Android Forum' started by ChezJfrey, Jan 11, 2012.

  1. ChezJfrey
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    ChezJfrey New Member

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    So I inadvertently killed my D1 by drowning it in a river and work sent me a new D3.

    With a rooted D1, I was able to get VPNC to a Cisco working and <whisper>WiFi tether; I wanted the same usability in the D3. A little trickier getting things set up, but I'm just about there.

    With wonderful resources like you people, found a radio tweak, and also that the D3 has tun built in (can see dev/net/tun), so with VPNC widget, got connected, see our Cisco banner text and issued IP in the VPNC log.

    However, once connected to VPN, I can't access internet and can't ping any of our internal IPs either...I think my routes are wrong.

    But, I don't know enough about setting up the routing table and was hoping someone could steer me in the right direction? I would like to manually adjust them, see if it works, then hopefully script it for after connection.

    Not sure what anyone might need, but I'll start with this:

    Before...

    ip route list
    66.174.201.64 dev ppp0 scope link
    66.174.201.64 dev ppp0 proto kernel scope link src 10.251.3.122
    default via 66.174.201.64 dev ppp0

    netcfg
    lo UP 127.0.0.1 255.0.0.0 0x00000049
    usb0 DOWN 0.0.0.0 0.0.0.0 0x00001002
    gether0 DOWN 0.0.0.0 0.0.0.0 0x00001002
    sit0 DOWN 0.0.0.0 0.0.0.0 0x00000080
    ip6tnl0 DOWN 0.0.0.0 0.0.0.0 0x00000080
    tun DOWN 0.0.0.0 0.0.0.0 0x00001002
    ppp0 UP 10.251.3.122 255.255.255.255 0x000010d1


    After VPN connected...

    66.174.201.64 dev ppp0 scope link
    66.174.201.64 dev ppp0 proto kernel scope link src 10.251.3.122
    default via 66.174.201.64 dev ppp0


    netcfg
    lo UP 127.0.0.1 255.0.0.0 0x00000049
    usb0 DOWN 0.0.0.0 0.0.0.0 0x00001002
    gether0 DOWN 0.0.0.0 0.0.0.0 0x00001002
    sit0 DOWN 0.0.0.0 0.0.0.0 0x00000080
    ip6tnl0 DOWN 0.0.0.0 0.0.0.0 0x00000080
    tun DOWN 0.0.0.0 0.0.0.0 0x00001002
    tun0 UP 192.168.144.8 255.255.255.255 0x000010d1
    ppp0 UP 10.251.3.122 255.255.255.255 0x000010d1

    I appreciate anyone taking the time to help me out.

    (Edited to correct format and improve readability...no idea how that happened)
    Last edited: Jan 11, 2012
  2. ChezJfrey
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    ChezJfrey New Member

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    Update...

    Apparently, I found my busybox wasn't symlinked properly, so things like grep weren't working...that's why the usual vpnc-script file wasn't updating routes as it normally would. Updated bb and after connecting with VPNC, I now get:

    ip route list
    <myciscoip> via 66.174.201.64 dev ppp0 src 10.242.253.151 mtu 1500
    advmss 1460
    66.174.201.64 dev ppp0 scope link
    66.174.201.64 dev ppp0 proto kernel scope link src 10.242.253.151
    default dev tun0 scope link

    netcfg
    lo UP 127.0.0.1 255.0.0.0 0x00000049
    usb0 DOWN 0.0.0.0 0.0.0.0 0x00001002
    gether0 DOWN 0.0.0.0 0.0.0.0 0x00001002
    sit0 DOWN 0.0.0.0 0.0.0.0 0x00000080
    ip6tnl0 DOWN 0.0.0.0 0.0.0.0 0x00000080
    tun DOWN 0.0.0.0 0.0.0.0 0x00001002
    ppp0 UP 10.242.253.151 255.255.255.255 0x000010d1
    tun0 UP 192.168.144.5 255.255.255.255 0x000010d1

    Unfortunately, I still can't reach internet or ping any of our internal IPs? Like I said, I don't know enough about TCP route configuration to know what's missing/wrong from the phone's routing table.

    Anyone with some insight?
  3. ChezJfrey
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    ChezJfrey New Member

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    Interesting...came across this: Post Froyo VPN Issues - Android Forums

    They could connect to VPN if using WiFi, but not 3g. So, I tried connecting to my home WiFi, then VPN to work Cisco on phone...voila! Works fine...ping internal work IPs, facebook is blocked in browser due to our WebSense...just as expected.

    So, can't VPN over 3g connection just yet....
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