Re: argh -- can't get wireless in someone else's house

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i haven't had time to look into this further, but let me respond
briefly:

On Sat, 9 Feb 2008, R. G. Newbury wrote:

> > Date: Fri, 8 Feb 2008 08:44:25 -0500 (EST)
> > From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx>
> >   i'm embarrassed to admit that i can't, for the life of me, get a
> > wireless connection at a friend's house at the moment.  updated fedora
> > 8, and a stock linksys WRT54GL.  i have the SSID, i have the WEP key,
> > i even have the router password, so i've logged in and checked
> > everything -- no MAC filtering, no DHCP client limit, etc.
> >   but when i try to bring up wireless, /var/log/messages shows me:
> >
> > Feb  8 08:37:59 localhost dhclient: wmaster0: unknown hardware address type
> > 801
> > Feb  8 08:39:00 localhost dhclient: No DHCPOFFERS received.
> >   i can certainly see the WAP:
> > # iwlist wlan0 scan
> > Cell 02 - Address: 00:18:39:6A:01:EF
> >                     ESSID:"XXXXXXXX"
> >                     Mode:Master
> >                     Channel:6
> >                     Frequency:2.437 GHz (Channel 6)
> >                     Quality=83/100 Signal level=-46 dBm  Noise level=-67 dBm
> >                     Encryption key:on
> >                     Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
> >                               24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
> >                               12 Mb/s; 48 Mb/s
> >   i'm pretty much out of ideas here -- any thoughts?
>
> Hmmm,.."No DHCPOFFERS received."
> 1)	DHCP server not turned on??  (You have likely checked that three times
> already!)

it's on.  and DHCP is giving out addresses to wired computers nicely.

> 2)	No remaining available DHCP addresses?  This one got me: I set up for
> only two then tried a new (third) unit, forgetting that the printserver was
> using the 'spare' address.

50 addresses available.

> 3)	More insidious: whoever set up the Linksys turned on MAC filtering, so
> no DHCP Offer will *ever* be sent. After I fixed problem #2, it took me
> a....further...while to figure out this one. And it's kinda hidden in the
> linksys setup structure ( I use the DD-WRT BIOS on my linksys, and it is a
> little more friendly).

checked that first thing.  absolutely no filtering.

> 4)	I found that iwconfig is order dependent and sensitive to too many
> settings being tried at once. The ESSID setting has to be LAST. (Thank you to
> somone on this list!)

hmmmmm ... i don't remember reading that.  or maybe i just glossed
over it.  in any event, i did check all the basic stuff before
proceeding to whine about it.  i'll play with this more this weekend.

rday
--

========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

Home page:                                         http://crashcourse.ca
Fedora Cookbook:    http://crashcourse.ca/wiki/index.php/Fedora_Cookbook
========================================================================


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