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  1. #1

    Setting up a static IP on a wireless router

    I wasn't sure whether to put this under Ubuntu help, or Networking, or here, so forgive me if this is the wrong forum for this.

    I'm running Ubuntu 8.10 and I want to set up a static IP on it. There's apparently a bug in Network Manager that makes it so that I can't use static IPs with Network Manager, so I need a different solution.

    I know I need to edit my interfaces file and my /etc/network/interfaces file and my /etc/resolv.conf file, but I can't get it working reliably.

    Here is the output of ifconfig:
    $ ifconfig
    ath0      Link encap:Ethernet  HWaddr 00:1b:2f:c0:e0:6b  
              inet addr:  Bcast:  Mask:
              inet6 addr: fe80::21b:2fff:fec0:e06b/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:32970 errors:0 dropped:0 overruns:0 frame:0
              TX packets:30505 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:33515771 (33.5 MB)  TX bytes:4601464 (4.6 MB)
    eth0      Link encap:Ethernet  HWaddr 00:1f:c6:67:f8:26  
              UP BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:1
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
    lo        Link encap:Local Loopback  
              inet addr:  Mask:
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:1 errors:0 dropped:0 overruns:0 frame:0
              TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:88 (88.0 B)  TX bytes:88 (88.0 B)
    wifi0     Link encap:UNSPEC  HWaddr 00-1B-2F-C0-E0-6B-00-00-00-00-00-00-00-00-00-00  
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:103549 errors:0 dropped:0 overruns:0 frame:17127
              TX packets:31334 errors:54 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:199 
              RX bytes:44491265 (44.4 MB)  TX bytes:5313034 (5.3 MB)
    Can someone help me figure out he proper settings that I should be adding to the files so that I can use static IP on my computer?

  2. #2
    The best way to accomplish this is to leave the wireless set for DHCP, and set the router to assign a static IP address using DHCP. Since wireless cards are usually in mobile devices, setting a static IP address will make it difficult to connect outside of your home, if not impossible.
    Please do not send Private Messages to me with requests for help. I will not reply.

  3. #3
    I don't want to change the settings of the router, just my computer. In Windows (which I'm dual booting) I can change the settings in the control panel to use a static IP so I can use things like Bittorrent properly. That's all I really want to do here. This computer is a desktop, I don't intend to use it on other routers or anything.

  4. $spacer_open
  5. #4
    I think I found part of the problem. NetworkManager was still running, even though nm-applet was disabled. I removed NetworkManager and played with the settings for a while, but I can't get it to work reliably. It will work for a few seconds sometimes after I run sudo /etc/init.d/networking restart, but it craps out shortly after that.

    If it helps, here is my /etc/network/interfaces file:

    auto ath0
    wireless-essid TheHatch
    And my /etc/resolv.conf:

    After resetting the computer it seems to be working reliably now. I wonder what made the difference?

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