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router changing IP addresses after 24 hours...

Discussion in 'General Discussion' started by Anonymous, Jul 24, 2004.

  1. Anonymous

    Anonymous Guest

    How can I stop my Linksys WRT54GS with the Sveasoft Firmware from changing my computer addresses after a day? They start out at the normal 192.168.1.100 etc. and so on, but after a day they change to like 169.xxx numbers, and I have to reset to restore the normals. How can I fix this?
     
  2. Toxic

    Toxic Administrator Staff Member

    set your PCs to static IPs and not Dynamic.
     
  3. Anonymous

    Anonymous Guest

    Well, yeah, i could do that, :roll:
    but i wanted to be able to have automatic settings, for when i travel with my laptops to other places.

    My computers cant communicate with each other much of the time after the ip changes, either.

    I dont think the official linksys firmware did this? :?
     
  4. Esquire

    Esquire Mesquire Staff Member Member

    This isn't an IP change. You have lost your connection altogether. Your 169.xxx.xxx.xxx looks like Windows internal IP.

    Are we referring to a wireless connection?
     
  5. TazUk

    TazUk Network Guru Member

    Sounds like DHCP renewals aren't getting through, are these PC's running a software firewall such as Zone Alarm or XP's built in one?
     
  6. Anonymous

    Anonymous Guest

    no, i am not running any firewalls etc on any of the systems. I think it does have to do with the client lease time, because, when thats up, all the computers switch back to 169.xxx.xxx.xxx.

    I didn't have this problem with the old Linksys firmware, so I tried to put the firmware back on from the linksys site, it said the upgrade was successful, but its still the SVEASOFT firmware...
     
  7. Anonymous

    Anonymous Guest

    Im referring to 4 computers, 2 wired and 2 wireless, all running XP, and ALL reset to the 169. If i turn off then back on the router, the computers get their normal ips back. So i believe it has to do with the router.
     
  8. Anonymous

    Anonymous Guest

    Im having this same problem... anyone have an answer?
     
  9. Guyfromhe

    Guyfromhe Network Guru Member

    you're best shot in finding out whats going in would be to run ethereal on the PC and tcpdump on the router and leave it running until the ip flops, windows will give that ip to your nic if the DHCP server doesn't respond, you may want to try kiloing the dhcp server and restarting it, see if that helps...
     
  10. Lazybones

    Lazybones Network Guru Member

    169.xxx.xxx.xxx is the IP address range that windows will use if it can not find a DHCP server.

    Hence the DHCP server is probably failing on the router.

    Did you do the Full 30s reset after installing the Sveasoft firmware?

    Are you using any of the special Sveasoft firmware features such as STATIC leases for DHCP?
     
  11. Anonymous

    Anonymous Guest

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