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5.5 NAT Configuration Pages
The NAT Configuration page allows you to set the configuration for the Network Address Translation. The
NAT module provides Dynamic Network Address and Port Translation ( Dynamic NAPT ) capability
between LAN and multiple WAN connections, and the LAN traffic is routed to appropriate WAN
connections based on the destination IP addresses and the Route Table. This eliminates the need for the
static NAT session configuration between multiple LAN clients and multiple WAN connections.
When
Dynamic NAPT is chosen (default), there is no need to configure the NAT Session and NAT Session
Name Configuration.
Session Name: It allows you to enter a Session Name to help distinguish different NAT Sessions for
different interfaces among different PPP sessions and PVCs.
The Session Name can be up to 31 characters, and there can be up to 16 different NAT session names.
Interface:
It allows you to choose specific WAN Interfaces (PVC or PPP Session) for NAT Session. The
options for this field are PVC0 ... PVC7 and any PPP session that was created by the user.
NAT Session Name Status:
This table is displayed at the bottom of this page to show all the NAT Session
Names with their corresponding WAN Interfaces.
Number of NAT Configurations: It displays the total number of NAT Sessions entered.
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Note
NAT allows only one entry (User IP) per session, while NAPT allows many entries (User IPs)
per session.