[Turtlebot-users] Network Connectivity Issues

[Tully Foote]

Hi Chris,

I have seen similar behavior when connecting to a "hidden" network.  Aka
the SSID is not being broadcast.  I found that the network manger did
not reconnect automatically if it didn't see the SSID after the
connection dropped. We have successfully used WPA but it did have those
drops from which it needed to recover.  I never noticed if the driver
was crashing or not, we were in a very congested area and considered
occational dropouts expected so I didn't look for log messages.

Tully

On 07/12/2011 12:32 PM, Melonee Wise wrote:
> I haven't seen this exactly.. I have seen that it has problems with
> certain protocols WEP vs. WPA, I'm not exactly sure why .. but typically
> we run the turtlebots on public wifi and provide vpn keys to each
> turtlebot. 
> 
> -Melonee
> 
> On Tue, Jul 12, 2011 at 9:37 AM, Mansley Chris (CR/RTC1.1-NA)
> <fixed-term.Chris.Mansley at us.bosch.com
> <mailto:fixed-term.Chris.Mansley at us.bosch.com>> wrote:
> 
>     All,
>      We have two loaner TurtleBots from Willow, but we are experiencing
>     serious network connectivity issues with the netbook. I believe the
>     crucial difference is that we are using an encrypted network. It
>     seems as though the wireless network driver is crashing. This
>     happens right after a turtlebot_bringup and while trying to do some
>     teleoperation. We will be attempting to switch to a unencrypted
>     network today to test our theory. Is anyone else experiencing this
>     issue?  The laptop has Diamondback and Ubuntu Lucid Lynx.
>     -chris
> 
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> 
> 
> 
> -- 
> Senior Engineer
> Intern Program Director
> Willow Garage
> 68 Willow Rd.
> Menlo Park, Ca 94025
> 
> 
> 
> 
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