Purge is used to remove out-of-date ARP or DNS information from MAC or FQDN address objects.
To purge a MAC or FQDN address objects
Navigate to OBJECT | Match Objects > Addresses > Address Objects.
Do one of the following:
Select check boxes of the MAC or FQDN address objects and click the Purge > Purge Selected icon on top of the table to purge the selected custom address objects.
Click the Purge > Purge All icon on top of the table to purge all MAC or FQDN custom address objects.