This documentation is relevant to WMWifiRouter version 1.20 and newer, and has been last updated to reflect the changes in version 1.25.
The NAT statistics view display information about the NAT (Network Address Translation) engine, including the number of mappings, data mapped in bytes and packets, and dropped packets.
While this view is usually lagged only a second or two, on some devices or under heavy load these statistics may be lagged more significantly.