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6-22 CHAPTER 6: MANUAL SETUP
memory. If you do not enter the save all command before a reboot, unsaved
changes made since the last save will be lost.
Intelligent PAT
Enabled by default, Intelligent PAT provides a “best guess” as to where an
incoming packet should be delivered when:
A default PAT destination address has not been configured for a receiving (LAN)
workstation
-AND-
Static TCP or UDP ports have not been configured
Intelligent PAT bases this “best guess” on an analysis of recent communication
between the following:
This remote workstation (the workstation sending this non-addressed packet
from the WAN side of the OCR 812)
Private workstations (on the LAN side of the OCR 812) that recently
transmitted outgoing packets to this remote workstation
Upon completion of the “best guess” analysis, Intelligent PAT forwards the packet
to the last LAN workstation to transmit a packet to this remote workstation.