This command is similar to the IProute command, but shows the Arp table. The Arp table provides a translation from IP address to callsign. The final column, if present, contains the ARP timer values for each entry. This is for entries made automatically from ARP protocol messages. The timer is in minutes and the entry will be deleted when it reaches zero. Note that the node does not queue frames for transmission whilst awaiting ARP resolution. If you PING the node and it generates an ARP request, you will get a response the NEXT time you PING the node as it will have deleted the first request.