Draytek Vigor2500V Manual page 168

22.9 NAT Active Sessions Table
As the router accesses the Internet through the built-in NAT engine,
click NAT Active Sessions Table to see which active outgoing
sessions are online.
Each line across the screen indicates an active session. The
following information is displayed:
Private IP, Port: The internal user's (PC's) IP address and port
number.
#Pseudo Port: The public port number.
Diagnostics
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