Hello! I have a Rev C Beaglebone Black with Debian that is experiencing
some unexpected networking behavior. My BBB has a USB Wifi dongle plugged
into the USB port with the HDMI cape disbled, as well as the wifi-reset
service installed and enabled. Additionally, I sometimes use a LAN cable
with eth0.
When I power on my BBB from the barrel connector with only wlan3 connected,
the network interface doesn't come up at boot (can't ping or SSH).
However, if I then plug in eth0 while the board is still powered on, wlan3
comes up (with an IPv4 address), as does eth0 (IPv6 address). Why might
this be happening? I would like wlan3 to come up regardless of eth0.
Here are the relevant sections from /etc/network/interfaces:
auto eth0
iface eth0 inet dhcp
#allow-hotplug wlan3 // tried with and without this line
auto wlan3
iface wlan3 inet dhcp
wpa-ssid "<Local SSID>"
wpa-psk "<SSID password>"
Thanks!
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