flaky residential router

[Ioannis Vranos]

On Thu, 2011-02-10 at 10:03 -0500, David Curtis wrote:
> On 2/9/11, Thufir Hawat <hawat.thufir at gmail.com> wrote:
> > I have a strange, intermittent, connection problem.  Oddly enough, the
> > wireless part of the router seems to work fine.  However, the computer
> > will periodically experience connectivity problems only solved by a
> > reboot.
> >
> > I try:
> >
> > ifconfig eth0 down; ifconfig eth1 down; ifconfig eth0 up; ifconfig eth1
> > up; ifconfig; ping 192.168.1.1
> >
> >
> > and the router's available, however I cannot ping google.com, I get
> > "network unavailable" which, given that the wireless connection is
> > working, this is kinda odd.  (Yes, the wireless is connected to my
> > router, not to my neighbors -- I double checked.)
> >
> > I've tried powercycling the router, but get the same result as above.
> > However, restarting the computer allows a reconnection.
> >
> > Obviously, I need to replace the router.  However, that doesn't explain
> > what's going on.  Why would restarting the computer have any effect?  If
> > I was on Windows, I'd suspect corrupted system files or something along
> > those lines.


Do you have your computer network IPv4 settings to "Automatic (DHCP)"?

In other words, I think you may have two computers with the same network
address.





-- 
Ioannis Vranos

http://www.cpp-software.net