DHCP will not grab ip.

[Bill Davidsen]

Dave Feustel wrote:
> On Fri, Oct 10, 2008 at 03:41:29PM -0400, Bill Davidsen wrote:
>> Dave Feustel wrote:
>>> On Thu, Oct 09, 2008 at 12:32:49PM -0400, Bill Davidsen wrote:
>>>> Dave Feustel wrote:
>>>>> On Wed, Oct 08, 2008 at 10:20:17PM +0100, Laura Speck wrote:
>>>>> I have F9 running on a computer with just one nic. Everything worked
>>>>> until about a week ago, when the nic suddenly no longer automatically
>>>>> got a dhcp address. My work around is to run dhclient etho &. DHCP
>>>>> connects then. I still haven't figured out why this happened or what
>>>>> the correct fix is.
>>>>>
>>>> I had a thread going about the recent "enhancement" to 
>>>> NetworkManager. After applying that both my hardwire and wireless 
>>>> NICs stopped working. Did you by any chance "upgrade" your packages 
>>>> recently, say about the time everything stopped working? Mine worked 
>>>> after the upgrade until the next reboot, then went away forever. I 
>>>> tried to force a downgrade, but rpm was designed to work in one 
>>>> direction only, there's no way to tell rpm or yum to roll back and 
>>>> rollback all the dependencies at the same time.
>>> Unfortunately, I don't remember any details except that, as you noted,
>>> no network connection was established at system powerup one morning.
>>>
>>>> I gave up, I removed NM totally and completely, and now do the whole  
>>>> setup with a script run at boot time.
>>> All I have do to get connectivity is run dhclient as root.
>>>
>> Interesting. I run iwconfig to set the essid, channel, and key. Then 
> 
> What are essid, channel, and key, and what do they do?
> 
essid is the name of the access point (AP) used to identify it to the world. The 
AP may or may not broadcast that name for the world to see, and you need it to 
connect.

Channel is the frequency used for the communications, think TV (or CB radio) 
channels.

key is the encryption key.

>> dhclient. Previously NM had all the info except the channel, and figured 
>> that out in "Managed" mode. After it stopped working I tried "Ad-hic" as 
>> well, so I could set the channel. Made no difference.
>>
>> -- 
>> Bill Davidsen <davidsen at tmr.com>
> 


-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot