[PLUG] A Different Wireless Connection Question

Bill Barry bill at billbarry.org
Tue Oct 23 01:46:55 UTC 2007


On 10/22/07, Rich Shepard <rshepard at appl-ecosys.com> wrote:
>    Different portable, similar problem. My Sony is normally connected to the
> local network via a cat5 cable on eth0. Since I got the ThinkPad working
> with the LinkSys compact router, I decided to try the wireless card on the
> Sony. It works at other locations, and it's worked here before. But, now
> it's being recalcitrant.
>
>    eth1 comes up when I boot with the wireless card inserted; I can also take
> it out, plug in the cat5 cable, connect to the LAN, reverse the process and
> the interface comes back up. iwconfig shows it running; iwconfig shows me
> the specs on the access point, including the AP's MAC address and the link
> quality of 225/0.
>
>    However, 'host unreachable' when I try pinging another host.
>
>    'route' (or netstat -r) shows me a localnet route for eth1, but there's no
> default route. So I run 'route add default gw 192.168.55.4 eth1' and there's
> a default route on that interface, too. Still can't ping.
>
>    What have I missed here, or what step should I take to figure out why it's
> not connecting? Obviously, /etc/resolv.conf is the same regardless of the
> interface and connection via cat5 or air.
>
> Rich
>
> --

Dchp was invented so you would not have to muck around with these
problems. The best way to solve this type of problem is to reduce it
to simpler problems. Turn off your encryption and use dhcp network
configuration. If that works add back the encryption and if you really
must, add back your static network configuration.

Bill



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