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From: walt <w41ter@gmail.com>
Subject: [gentoo-user] Noob WiFi question (yes-or-no answer will suffice)
Date: Thu, 02 Oct 2014 19:05:51 -0700
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My ISP just forced me to upgrade to a new fiberoptic plan with very
little advance notice.

I can't complain too much because my download speed is three times
faster than yesterday, but now I need to use a USB WiFi adapter if
I want to use my main desktop machine anywhere other than my kitchen.

(Don't ask -- the details are too stupid to post -- but I'm now using
a wired ethernet connection from my kitchen :)

The Cable Guy from my ISP gave me (for free) a D-Link USB WiFi adapter:

Bus 002 Device 003: ID 07d1:3c0a D-Link System DWA-140 RangeBooster N Adapter(rev.B2) [Ralink RT3072]

I did some googling and enabled the "appropriate" kernel drivers, then
rebooted and now the output from ifconfig includes this interface:

wlan0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        ether b8:a3:86:99:a8:d8  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

My yes-or-no question:  does the appearance of "wlan0" imply that
my new kernel drivers are the right ones for this particular D-Link
WiFi adapter?

If not, I'll either buy a better USB WiFi adapter or continue to
google it.

Thanks.