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I now have create an /etc/resolv.conf with the contents search nameserver 192.168.2.1 But from my 2nd computer I cannot ping 192.168.2.1, although I can from my notebook and ip-forwarding on ...
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  1. #11
    Just Joined!
    Join Date
    Jun 2006
    Posts
    6

    I now have create an /etc/resolv.conf
    with the contents

    search
    nameserver 192.168.2.1

    But from my 2nd computer I cannot ping 192.168.2.1, although I can from my notebook and ip-forwarding on my notebook is enabled and the routing table of the 2nd computer contains the line

    Destination Gateway
    default 192.168.1.101

    (see above for the complete table).
    So why does the ping not work...?

  2. #12
    Just Joined!
    Join Date
    Sep 2006
    Posts
    1

    Had a similar problem & was fixed

    I had exactly the same problem you're describing. I followed the instructions found here and my setup is now working smoothly.

  3. #13
    Just Joined!
    Join Date
    Dec 2009
    Posts
    3

    ubuntu 8.04 LTS hanging after routing config

    Help!

    I don't know what is going wrong. I have a hardy heron 8.04 64bit installed and every time I try to route the server hangs up - but not at restart - I even have trouble to restart it with an ctrl+alt+del.

    here what I did:
    /etc/sysctl.conf deleted the comment to acivate ip forwarding:
    HTML Code:
    net.ipv4.ip_forward = 1
    /etc/network/interfaces like this:
    HTML Code:
    # The loopback network interface
    auto lo
    iface lo inet loopback
    
    # The primary network interface
    auto eth1
    iface eth1 inet dhcp
    
    # The secundary network interface for internal network
    auto eth0
    iface eth0 inet static
    address 192.168.1.20
    netmask 255.255.255.0
    gateway 192.168.1.20
    #route add 192.168.1.0 gw 134.xx.yy.zzz
    manually added the route, cause in /etc/interfaces, when I uncomment the routing line, the server hangs after a restart of the network:
    HTML Code:
    route add 192.168.1.0 gw 134.xx.yy.zzz
    Routing table:
    root@cl20:~# netstat -rn
    HTML Code:
    Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
    192.168.1.0     134.xx.yy.zzz   255.255.255.255 UGH       0 0          0 eth1
    134.xx.yy.0     0.0.0.0         255.255.255.0   U         0 0          0 eth1
    192.168.1.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
    0.0.0.0         134.xx.yy.1     0.0.0.0         UG        0 0          0 eth1
    0.0.0.0         192.168.1.20    0.0.0.0         UG        0 0          0 eth0
    On my second machine, there is only the internal network. I have activated ip forwarding and configured the route.

    What is ugly: this configuration works, but every time I try to /etc/init.d/networking restart

    THE SERVER HANGS.
    After a reboot it is ok.

    What am I doing wrong?
    Please help!

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