LEDs and Buttons

Note

The following is specific to NETGEAR router models WNDR3700 and WNDR3800.

NETGEAR WNDR3800

LED Lights Configuration

Goto System -> LED Configuration on the LUCI web interface:

https://router.lan/cgi-bin/luci/admin/system/leds

Power LED

Power LED

Shows the operational status of the device.

  • Solid amber: The router is starting up after being powered on.
  • Solid green: The router startup has completed and the router is ready.
  • Off: Power is not supplied to the router.
  • Blinking green: The firmware is corrupted.
  • Blinking amber: The firmware is upgrading, or the Restore Factory Settings button was pressed.

Settings are stored in /etc/config/system:

config led 'led_power'
    option name 'Power LED'
    option default '0'
    option trigger 'default-on'
    option sysfs 'netgear:green:power'

2.4 GHz Wi-Fi LED

2.4 GHz LED

Shows the status of the 2.4 GHz wireless network.

  • Solid green: The unit is operating in 11n mode at 2.4 GHz.
  • Blinking green: Wireless data is been transmitted or received.
  • Off: The 11n 2.4 GHz wireless radio is off.

Settings are stored in /etc/config/system:

config led
    option name 'radio0'
    option sysfs 'ath9k-phy0'
    option default '0'
    option trigger 'phy0tpt'

5 GHz Wi-Fi LED

5 GHz LED

Shows the status of the 5 GHz wireless network.

  • Solid blue: The unit is operating in 11n mode at 5 GHz.
  • Blinking blue: Wireless data is been transmitted or received.
  • Off: The 11n 5 GHz wireless radio is off.

Settings are stored in /etc/config/system:

config led
    option name 'radio1'
    option sysfs 'ath9k-phy1'
    option default '0'
    option trigger 'phy1tpt'

USB LED

USB LED

Shows the status of any attached USB devices.

  • Solid green: The USB device had been accepted by the router and is ready to be used.
  • Blinking: The USB device is in use.
  • Off: No USB device is connected, or the Safely Remove Hardware button has been clicked and it is now safe to remove the attached USB device.

Settings are stored in /etc/config/system:

config led 'led_usb'
    option default '0'
    option interval '50'
    option sysfs 'netgear:green:usb'
    list port 'usb1-port1'
    list port 'usb1-port2'
    list port 'usb2-port1'
    list port 'usb2-port2'
    option name 'USB'
    option trigger 'usbdev'
    option dev '1-1'

Internet

Internet LED

Shows the status of the Internet connection.

  • Solid green: An IP address has been received; ready to transmit data.
  • Solid amber: The Ethernet cable connection to the modem has been detected.
  • Off: No Ethernet cable is connected to the modem.

Settings are stored in /etc/config/system:

config led 'led_wan'
    option name 'WAN LED (green)'
    option sysfs 'netgear:green:wan'
    option default '0'

Switch LEDs

Shows the status of any attached Ethernet cables and devices.

  • Solid green: A LAN port has detected a 1 Gbps link with an attached device.
  • Solid amber: One or more LAN ports have detected a 10/100 Mbps link with an attached device.
  • Off: No link is detected on any of the 4 LAN ports.

Buttons

The NETGEAR WNDR3700 and WNDR3800 devices have two buttons on the front. One for turning your WiFi on or off and one to setup your WiFi devices automatically, without the need to enter SSIDs and passwords.

WLAN On/Off Button

WLAN On/Off button

This button is not enabled on OpenWRT by default and additional software and configuration is needed.

router$ opkg update
router$ opkg install wifitoggle

Configuration is stored in /etc/config/wifitoggle:

config wifitoggle

    # Internal name of the button to use.
    option button 'rfkill'

    # Keep Wifi state on reset, always 0 if Timer enabled
    option persistent '1'

    # Seconds for wifi to be turned off, 0 for no timer
    option timer '0'

    # LED light to use
    option led_sysfs 'netgear:green:wps'

    # Trigger to enable/disable LED
    option led_enable_trigger 'none'

    # For timer trigger, How long (in milliseconds) the LED should be off.
    option led_enable_delayoff '500'

    # For timer trigger, How long (in milliseconds) the LED should be on.
    option led_enable_delayon '500'

    # LED state before trigger: 0 means OFF and 1 means ON
    option led_disable_default '0'

Pressing and holding the wireless LAN button for 2 seconds turns the 2.4 GHz and 5 GHz wireless radios on and off.

If the 2.4 GHz and 5 GHz LEDs a re lit, then the wireless radio is on. If these LEDs are off, then the wireless radios are turned off and you cannot connect wirelessly to the router.

Wifi Protected Setup (WPS) Button

WLAN On/Off button

This button is used to connect a wireless device or computer to your wireless network by WPS without the need to manually select the wireless network and enter a password.

This is not enabled on OpenWRT by default and additional software and configuration is needed.

See Wifi Protected Setup (WPS) to set this up.

The LED below the WPS button blinks green when the router is trying to add the wireless device or computer.

The LED stays solid green when wireless security is enabled in the router.

Settings are stored in /etc/config/system:

config led
    option name 'WPS LED (green)'
    option sysfs 'netgear:green:wps'
    option trigger 'none'
    option mode 'link'
    option default '1'
    option delayon '500'
    option delayoff '500'

Reset Button

The label on the bottom of the router shows the router’s Restore Factory Settings button, preset login information, MAC address, and serial number.

NETGEAR WNDR3800 NETGEAR WNDR3800

To restore the factory default settings:

  1. Use a sharp object such as a pen or a paper clip to press and hold the Restore Factory Settings button, located on the bottom of the router, for over 5 seconds until the Power LED turns to blinking amber.
  2. Release the Restore Factory Settings button, and wait for the router to reboot. The factory default settings are restored so that you can access the router from your Web browser using the factory defaults.

Settings are stored in /etc/config/system:

config restorefactory
    option button 'reset'
    option action 'pressed'
    option timeout '5'