Topics > LAN-Cell (original models) > FAQ ID # 94

FAQ ID # 94
Last Update : 2012/02/20
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Question / Issue
How many SUA/NAT Port Forwarding rules can be defined?

Answer / Solution
The LAN-Cell 2 allows a total of 42 user-defined NAT (network address translation) rules to be defined.  Two additional rules (Rule 1 and Rule 43) are reserved for internal use.

The LAN-Cell 2 allows each WAN interface (wired Ethernet WAN and Cellular WAN) to have its own set of 42 NAT rules.  The Web GUI and SMT interface allow you to easily configure 19 rules per interface.  Rules 20 through 42 must be configured via the Command Line Interface (see below).

The original LAN-Cell models (1xMG-401, GPRS-401) permit 11 NAT rules to be configured from the GUI and SMT and have only one rule set that applies to all interfaces.  A total of 34 user-defined rules can be defined.

To add a NAT rule using the command line:

ip nat server load N (N =1 for Ethernet WAN, 2 for Cellular WAN -- LAN-Cell 2 only)

For each rule # R:

ip nat server edit R rulename MyRule
ip nat server edit R forwardip aaa.bbb.ccc.ddd 
(address of the target LAN device)
ip nat server edit R svrport WP1 WP2
(starting & ending incoming WAN port numbers -- can be same value if only 1 port)
ip nat server edit R intport LP1 LP2
(starting & ending redirected LAN  port numbers -- can be same value if only 1 port)
ip nat server edit R protocol   (enter 1 choice without brackets. Must be uppercase)
ip nat server edit R active yes
ip nat server save

ip nat server display (shows all ruleset table values.  Press spacebar to scroll to the next page)

Note: the rule numbers shown by this command are one higher than the rule numbers shown in the GUI or SMT because Rule #1 is reserved for the Default Server feature.

Related FAQs
Using the Default Server feature of NAT/SUA/Port Forwarding.

Direct Link to This FAQ

NAT port forward forwarding redirect redirection map mapping network address translation PAT single user account public private
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