EMB-2510 User's Manual31iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE7, At this point, you can use your mobile phone to find hot spots as ”xuechuance”,password ”12345678” wifi to perform connection testing.3.2.8 BluetoothRTL8723bu module integrates WiFi and Bluetooth functions.1, Check whether the Bluetooth device is mounted properly:hciconfig -a2, Search for nearby Bluetooth devices:hciconfig hci0 uphcitool scan3, Execute l2ping command to test connectivityThe system has integrated the bluez5 software package, and the rest of the commands can betried by themselves.3.2.9 4G Mobile Phone NetworkBy default, gobinet dialing is used, and related commands have been integrated into thesystem.