No eth1 wireless
Dotan Cohen
dotancohen at gmail.com
Mon May 14 17:14:00 UTC 2007
On 14/05/07, David G. Miller <dave at davenjudy.org> wrote:
> "Dotan Cohen" <dotancohen at gmail.com> wrote:
>
> > I seem to have corrupted system-config-network while playing with
> > firestarter. I've since gone back to the default Fedora firewall
> > (system-config-securitylevel). I see two devices in the Devices tab:
> > eth0 (Type: Ethernet), which is active, and eth1 (Type: Wireless),
> > which is inactive. When I try to activate eth1, I get this
> > inappropriate error:
> > Determining IP information for eth1... failed; no link present. Check cable?
> >
> > Why does it think that there should be a cable? Before rebooting I was
> > getting this error:
> > When I try to activate eth1 (wireless):
> > Determining IP information for eth1...dhclient(4733) is already
> > running - exiting.
> > exiting.
> > failed.
> >
> > How can I start eth1? Note that SELinux is set to Permissive.
> >
> > Thanks in advance.
> >
> > Dotan Cohen
> The "check cable" message is just a carry-over from pre-wireless. It
> means that the wireless can't establish a link level connection. With a
> wired connection, this is equivalent to having a working cable in
> place. Thus, "check cable."
Alright.
> Some things to try are:
>
> Open up your access point (no encryption, authentication, ESSID is
> broadcast, no MAC filtering) and see if you can connect. Your security
> exposure is fairly minimal if you only leave it open briefly.
It's not my access point, it's the university's. I have no control
over the router settings.
> What gets reported if you do a "iwlist eth1 scan"? If nothing then your
> system isn't even talking to the radio. If you get a list of APs, then
> some higher level glitch like authentication is causing the problem.
[root at localhost ~]# iwlist eth1 scan
eth1 No scan results
However, there is something there:
[root at localhost ~]# iwconfig eth1
eth1 unassociated ESSID:off/any Nickname:"localhost.localdomain"
Mode:Managed Frequency=nan kHz Access Point: Not-Associated
Bit Rate=0 kb/s Tx-Power:16 dBm
Retry limit:15 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:130 Missed beacon:0
> I get the "Determining IP information for eth1...dhclient(4733) is
> already running..." message whenever I switch my laptop from wired to
> wireless. Just do a "kill 4733" (or whatever PID gets reported in the
> error message) and try it again.
I didn't think of that. I'll try tomorrow at the university. Thanks.
Dotan Cohen
http://dotancohen.com/howto/command_line.php
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