[PC-BSD Testing] UP or DHCP for Ethernet devices

Kris Moore kris at pcbsd.org
Wed Sep 15 06:18:47 PDT 2010


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On 09/15/2010 06:32, Lars Engels wrote:
> Quoting Kris Moore <kris at pcbsd.org>:
> 
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>>
>> On 09/14/2010 11:14, Dru Lavigne wrote:
>>>
>>> I had a head scratcher installing 8.1 on a 32 bit testing system. 
>>> Instead of Ethernet automatically working (as it always has in the 
>>> past), it gave a device busy error during startup. Manually running
>>>  dhclient on the device (em0) would not connect to the DHCP server 
>>> and instead gave a "send_packet: Device busy" error.
>>>
>>> The fix was to change the rc.conf flag on the device from UP to 
>>> DHCP. Kris, do you know what UP was supposed to do?
>>>
>>> Cheers,
>>>
>>> Dru
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Testing mailing list
>>> Testing at lists.pcbsd.org
>>> http://lists.pcbsd.org/mailman/listinfo/testing
>>
>> The dhcp stuff is usually done via the lagg0 interface, so we mark the
>> network device as "up" to ensure its available when lagg0 starts its
>> dhcp requests. I'll have to experiment with that, maybe using "up" isn't
>> needed anymore if lagg is taking care of it already.
> 
> 
> Kris,
> 
> may I propose that the lagg device is created optionally? Would it be
> possible to ask the user if he likes to use the failover mode when a
> wireless and wired interface is available?
> I like the feature but I think it should not be enabled without the
> explicit permission of the user.
> 
> Lars
> 

I've now set up the GUI to not mark any wired devices as "up". Also I've
added it to the 9.0 TODO to create a way to disable lagg via the GUI,
since that seems like a reasonable request :)


- -- 
Kris Moore
PC-BSD Software
iXsystems
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