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Thread: (Help)Using Ubuntu for internet connection sharing DHCP not working

  1. #1
    Join Date
    Jul 2007
    Beans
    90
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    (Help)Using Ubuntu for internet connection sharing DHCP not working

    I currently have a server running 8.04 hooked directly into a fiber modem with working internet. I have eth1 hooked to a series of switches that have 20-30 PCs/Macs hooked to them. I'm using Firestarter and dhcp3-server to share the internet connection of the server with the rest of the network, but when I repair my internet connection on the PCs or the Macs, the server will not assign it an ip address. What am I doing wrong?

  2. #2
    Join Date
    Jan 2007
    Beans
    5,549

    Re: (Help)Using Ubuntu for internet connection sharing DHCP not working

    have you selected the right network adapter to share the internet connection to?

  3. #3
    Join Date
    Dec 2006
    Location
    somewhere in Surrey
    Beans
    64
    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: (Help)Using Ubuntu for internet connection sharing DHCP not working

    Quote Originally Posted by Malh View Post
    I currently have a server running 8.04 hooked directly into a fiber modem with working internet. I have eth1 hooked to a series of switches that have 20-30 PCs/Macs hooked to them. I'm using Firestarter and dhcp3-server to share the internet connection of the server with the rest of the network, but when I repair my internet connection on the PCs or the Macs, the server will not assign it an ip address. What am I doing wrong?
    In addition to Firestarter install a DHCP GUI called GDHCPD to configure your scopes getaways and DNS info its easy to use and has sufficient help. Thats what I use and it works fine with ubuntu, Windows clients and have not tried Mac clients.

    ignore the section below its a problem that comes up with misconfiguration on routers IP address. So bottom line this works and is way to go.


    *if u misconfigure routers ip the following happens*
    Now my problem is it ubuntu clients dont connect to the internet through my server even though windows clients work perfectly. A few points to note about my situation.
    1 - the ubuntu clients get the ip address, DNS and getaway address successfully so I dhcp is passing and assigning the configurations. But cant figure out why they dont connect to the internet.
    2 - the ubuntu clients can connect in connected directly to my router
    3 - My server is hardy 64 bit using GDHCPD firestarter and webmin
    4 - Am using two NIC one for internet and one for LAN
    5 - my switch is a netgear four port wireless router, i have disabled its dhcp and router functions. Wireless clients work fine, wireless access internet using ubuntu not tested.
    Last edited by Kalibur; June 15th, 2008 at 10:42 PM. Reason: update on situation
    "When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.", Zig Ziglar

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