Draytek Vigor2200 User Manual page 88

System Management
View NAT Port Redirection Running Table:
If you have configured Port Redirection (under NAT Setup), click
to verify that your settings are correct for redirecting specific port
numbers to specified internal users.
View NAT Active Sessions Table:
As the router accesses the Internet through the built-in NAT engine,
click "View NAT Active Sessions Table " to see which active
outgoing sessions are online.
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