I've got a BBB running Debian 3.8. My WIFI dongle is a TPLink TL-WN722N
(one of the recognized/working dongles).
I'm running into the following issue. When I have eth0 connected, my wlan0
connection works great. When I remove my eth0 connection, my wlan0
connection no longer works. By no longer works I mean I can't ping/ssh into
the device. With eth0 connected, I can do both things using the wifi
connection.
I've posted my network interface file below. I've never run into an issue
like this before. Anybody have any ideas?
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
#auto eth0
allow-hotplug eth0
#iface eth0 inet dhcp
iface eth0 inet static
address 192.168.0.19
netmask 255.255.255.0
gateway 192.168.0.1
metric 100
dns-nameservers 8.8.8.8
# Example to keep MAC address between reboots
#hwaddress ether DE:AD:BE:EF:CA:FE
# The secondary network interface
#auto eth1
#iface eth1 inet dhcp
# WiFi Example
auto wlan0
allow-hotplug wlan0
#iface wlan0 inet dhcp
face wlan0 inet static
wpa-ssid SSID NAME
wpa-psk SSID PASSKEY
address 192.168.0.21
netmask 255.255.255.0
gateway 192.168.0.1
dns-nameservers 8.8.8.8
# Ethernet/RNDIS gadget (g_ether)
# ... or on host side, usbnet and random hwaddr
# Note on some boards, usb0 is automaticly setup with an init script
iface usb0 inet static
address 192.168.7.2
netmask 255.255.255.0
network 192.168.7.0
gateway 192.168.7.1
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