Re: [Gumstix-users] Overo Air Wifi problems

[Robert L C. <coc...@sp...>]

Hi I don't even have a gumstix of my own yet -- that is being worked on 
-- but I wonder if your problem might be that you have a firewall turned 
on somewhere which is dropping packets? That is to say, is iptables 
starting up on the gumstix itself by default and blocking all packets 
inbound and out?

You might want to try flushing the firewall of all rules (get rid of 
them) and stopping the iptables service on the gumstix until you can get 
your network access running.

It is also possible that another machine is doing firewalling and is 
dropping packets from the gumstix MAC address.

Remember that I'm a gumstix newbie without even a single module. Just 
trying to be helpful.

Bob Cochran



On 12/15/2009 10:47 PM, deanogreek1 wrote:
> What build are you using?  I'm using the desktop image from gumstix website
> booted from a microsd card.  Also i followed the instructions in the wiki to
> edit interfaces.  It still doesn't seem to work. When i do ifdown and ifup
> it just prints "sending discover" 4 times and then "no lease, failing".
> Still no internet.  Any thoughts?  Thanks,
>
> Dean
>
>
> Edgardo Cruz wrote:
>    
>> On 12/13/2009 10:35 PM, deanogreek1 wrote:
>>      
>>> Hello,
>>>
>>> I am able to get my overo air to connect to an open router and dhcp an IP
>>> address on startup (i started with wep enabled and couldn't get it to
>>> work
>>> at all).  Like I said I am able to get an IP address, but I cannot ping
>>> the
>>> gumstix and firefox/midori can't get internet access.  Has anyone
>>> successfully got an overo air's wifi to work properly both with and
>>> without
>>> WEP?  I do need to get this to work with WEP eventually.  Any insight
>>> would
>>> be appreciated.  Thanks
>>>
>>>        
>> I haven't looked into why yet, but I can only get wlan0 to work after
>> manually running "ifdown wlan0" followed by "ifup wlan0".  I don't use
>> WEP but have it working with WPA.
>>
>>
>>
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>>      
>