• A Network Switch Mapping Solution

How to refresh the ARP and IP to Hostname Tables

Problem: after a long period of continuous use the ARP table (mac addresses to IP addresses) and the resolver table (IP address to hostnames) appears to get stale. These tables are populated as you use the software and are used to rapidly lookup information as needed. They are not automatically refreshed.

How to clear the tables and force updating

Method 1: Exit the program periodically. There are checkboxes in Global Settings for erasing the ARP table and IP/hostname resolver table automatically on exit. Make sure they are checked.

Method 2: If you cannot exit the program daily, click on the lower left control panel button Database Maintenance. Make sure Combined ARP Table is selected, press Erase Viewed Table. Next, select IP/Hostname Resolver and press Erase Viewed Table.