I've written a small gratuitous ARP daemon that could be modified to become a busybox applet and contributed if there's any interest.<br><br>It periodically scans the list of network interfaces and sends out gratuitous ARP packets on each interface that has<br>
a non-zero MAC address, non-zero IP address and is in the running state. The frequency defaults to once per minute, but is configurable via a command line option.<br><br>It is useful for wireless clients that don't necessarily generate much traffic themselves and need to announce their presence to<br>
forgetful Access Points, etc.<br><br>- Bill<br><br>