Re: NM looses connection and/or doesn't use dhcp

[Dan Williams <dcbw redhat com>]

On Sun, 2007-11-04 at 08:58 -0800, Xamindar wrote:
> It continues to happen.  This time I found that my wired interface was 
> now down and my wireless interface was connected (to the neighbor) but I 
> never made this change at all.  What is the deal here?  This is very 
> annoying!  Why is NetworkManager randomly switching interfaces and 
> randomly changing my IP?  This is seriously annoying.  I know it is 

If the connection to the AP gets dropped, NM will connect to the last AP
you connected to that it can see because it attempts to preserve
connectivity.  If you don't want to connect to that other network,
remove it from the saved networks list.  If NM switched away from the
connection it had when you saw it, then something caused the wireless
card and driver to drop the connection to the AP, and NM was not able to
reconnect to that AP again in enough time.  If your AP crashes or
reboots, for example, it might take a while to do so, during which it
can't be connected to.  For example, sometimes my WRT54G crashes, and
after a reboot, the ipw2200 driver is stuck in a state where it won't
connect to the AP, requiring a module unload/reload before it can
connect again, _even_ without NetworkManager at all.

Dan

> NetworkManager because I can stop it and start my normal net service and 
> my wired connection will stay connected.  While NetworkManager is 
> enabled I have checked and any network interface services or plugdev 
> service is stopped.  So I guess for now I have to leave NetworkManager 
> disabled and use the old school setup until this is fixed within 
> NetworkManager.
> 
> Xamindar wrote:
> > Man, no one knows?  This is a reall big problem and should be fixed.  Am 
> > I using an older version od NetworkManager and this has already been 
> > fixed then?
> > 
> > Xamindar wrote:
> >> I have started to have some problems with networkmanager lately.  I am 
> >> running version 0.6.5_p20070823.
> >>
> >> First thing:  when I come home from work where I was connected using a 
> >> static IP (at work I stop NM, set the static IP, then on reboot the PC 
> >> goes back to it's dhcp settings) for some odd reason NM keeps setting 
> >> my work IP and doesn't renew the IP for my home network.  This is a 
> >> recent occurrence and I can't figure out why it started doing it.
> >>
> >> Secondly, at random times I will loose my connection.  The IP is still 
> >> there but I think NM messes up the default route info.  Restarting NM 
> >> fixes it or simply setting the default route manually does it.  Why is 
> >> it doing this?
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