Wl command - DD-WRT Wiki
https://wiki.dd-wrt.com/wiki/index.php/Wl_commandNo setup is required as 'wl' comes with all Broadcom DD-WRT installations. (For Atheros Hardware, this functionality is absent/less developed, and users will need to use the 'ifconfig' and 'wl_atheros' commands instead. See these threads: wl command "not found", Regarding "wl command not found" and others)
LED Scripts - DD-WRT Wiki
https://wiki.dd-wrt.com/wiki/index.php/LED_Scripts5 or more = amber/white alternating flashing. When users disconnect, the lights stay on for a few minutes, because the router takes a while to close the TCP connections when an active client disconnects. See "Active Clients" on the Status/LAN DD-WRT GUI webpage. This is based on the command `cat /proc/net/arp`.
Wireless Bridge - DD-WRT Wiki
https://wiki.dd-wrt.com/wiki/index.php/Wireless_BridgeContrast this with Client Mode Wireless, where the local wireless device running DD-WRT connects to the remote router as a client, creating two separate subnets. Since the computers within the different subnets cannot see each other directly, this requires the enabling of NAT between the wireless and the wired ports, and setting up port forwarding for the computers …