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

Lars Engels lars.engels at 0x20.net
Wed Sep 15 06:34:35 PDT 2010


On Wed, Sep 15, 2010 at 09:18:47AM -0400, Kris Moore wrote:
> 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?
[..]
> >>
> >> 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 :)

Thanks!
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