Default Interface Bringup

Manik Taneja manik at canonical.com
Tue Dec 29 00:33:58 UTC 2015


Guys,

I was working on the Thin Canyon NUC and noticed that by default we don't
bring up wlan0 interface. Instead, the only interface brought up is eth0. I
checked this behavior on the Dragonboard 410c and noticed that we don't
bring up the wlan0 interface as well. Is this behavior by design? On both
the boards, I was able to bring up the interfaces by using-

sudo ifconfig wlan0 up

however, the command-

sudo ifup wlan0 fails with ifup: Ignoring unkown interface: wlan0=wlan0

Can someone please help me understand what's the reason for this? Also, If
we have the kernel module for wifi available than why don't we enable the
wlan0 interface by default? I think that's a much cleaner interface for
someone starting with Snappy.

/Manik
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