[PLUG-TALK] Wireless Card Connects, No IP Address Granted

Dwight Hubbard dwight at dwightandamy.com
Sat Aug 11 20:05:52 UTC 2007


I've seen the same kind of behavior after I upgraded to Ubuntu Feisty.

On 8/11/07, Rich Shepard <rshepard at appl-ecosys.com> wrote:
>
>    This past week I had a business trip to northern Nevada and stayed in a
> motel in Lovelock that offers free wireless access to the 'Net. But, I
> could
> not take advantage of the service.
>
>    'ifconfig -a' verified that eth1 was up and running. 'iwlist eth1 scan'
> found 2-5 cells, with various signal strengths. 'iwconfig eth1 essid ...'
> would attached to the named cell. But, 'dhcpcd -d eth1' failed to return
> an
> IP address; it would time out. Even sitting on a bench adjacent to one of
> the WAPs didn't help.
>
>    More puzzling, at a Reno coffee shop where I regularly stop, I had the
> same experience, yet as recently as two weeks ago I had no problems
> connecting wirelessly at that location.
>
>    In a office down there, I also could not get an IP address on eth1
> using a
> cat5 cable to their DSL line. Yet, when I returned last evening, the wired
> connection here in the office worked flawlessly.
>
>    While away, I saw no changes to /etc/resolv.conf; that happens when I
> connected via a cat5 cable at the hotel I use in Reno, and I fix it for
> local use when I return.
>
>    What might have been the reason that dhcpcd could not find an IP
> address?
> This is the first time in the four years I've used this notebook and 3Com
> card that I've encountered this problem. I looked for available wireless
> tools on the notebook and checked the iwconfig and iwlist man pages but
> saw
> nothing enlightening.
>
> Rich
>
> --
> Richard B. Shepard, Ph.D.               |    The Environmental Permitting
> Applied Ecosystem Services, Inc.        |          Accelerator(TM)
> <http://www.appl-ecosys.com>     Voice: 503-667-4517      Fax:
> 503-667-8863
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>



-- 
Dwight Hubbard (RHCE)
dwight at dwighthubbard.com
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