Switching from wired to wireless getting "network down"

Daniel Eischen deischen at freebsd.org
Sat Mar 28 10:09:21 PDT 2009


On Sat, 28 Mar 2009, Sam Leffler wrote:

> J. Porter Clark wrote:
>> I've been playing around with this sort of setup, too, where I
>> want a command line to change from wired to wireless (at the
>> same IP address, even) and back again.  I haven't found the
>> magic solution, particularly one that doesn't have a lot of
>> hardcoded network config in it.  I'm also somewhat ticked that
>> "route flush" doesn't really flush all routes like the man page
>> says.  8-) Eventually, I usually arrive at a point where I can't
>> find my way back and have to reboot to get some work done.
>> 
>> Some things I've been using are "route delete <my ip address>"
>> and "route add -ifp <interface> default".  Might be a good idea
>> to "arp -a -d", too.
>>
>> 
> If this is 7.x or later, have you tried using lagg(4) to do automatic 
> failover?  The man page says wpa doesn't work but after talking to Andrew we 
> think that's no longer true.  I haven't had a chance to try it myself.

Yeah, but as far as I can recall, lagg isn't able to change the
MAC address on the cloned wlanX interface.  lagg with wireless
and wired interfaces used to work before wlan cloning was added.
I haven't tested it in a while, though.  Has this been fixed?

-- 
DE


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