Wireless clients cannot acquire address

Discussion in 'General Discussion' started by hudr, Jul 11, 2007.

  1. hudr

    hudr LI Guru Member

    OK, I am sure this has been thrashed to death but I couldn't find anything w/ the search.
    I have had some trouble w/ the intel 3945abg and the Dell 1490 wireless cards not acquiring an address from different Linksys routers. After looking at it and banging my head against the wall it seems to have something to do w/ the router "remembering" the specific NIC.
    Scenario: a laptop gets hooked up to a wireless router (wpa-psk or wpa2-psk, it doesn't seem to matter). Laptop is carried away from network. When it comes back it can see the wireless network and it tries to acquire an address but eventually times out. If I check the DHCP client list in the router and keep pressing refresh, I see the laptop get an address for about a second and then it goes away. No changes have been made to the firewall settings since the last time the laptop was attached. No changes have been made to the router. The only thing that seems to work is to power cycle the router. Of course this is disruptive to every other client on the network (wired and -less). This has happened in cases where I had an All in One router and in situations where I had a separate WAP. It apparently has to do w/ the firmware on whatever device is handing out addresses. And giving static addresses to the laptop didn't work either. Then I got an "Authenticating" forever message. Do I need to just run around and reboot all these routers once a month or so?
    Sorry for the long post. Hope this is enough info.
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