Nortel BSR252, Configuration - Basics

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Chapter 8 Network Address Translation (NAT) Screens 139
Nortel Business Secure Router 252 Configuration — Basics
Configuring Address Mapping
Ordering your rules is important because the Business Secure Router applies the
rules in the order that you specify. When a rule matches the current packet, the
Business Secure Router takes the corresponding action and the remaining rules
are ignored. If there are any empty rules before your new configured rule, your
configured rule is pushed up by that number of empty rules. For example, if you
have already configured rules 1 to 6 in your current set and you configure rule
number 9. In the set summary screen, the new rule becomes rule 7, not 9. If you
delete rule 4, rules 5 to 7 are pushed up by 1 rule, so old rules 5, 6, and 7 become
new rules 4, 5, and 6.
To change the NAT address mapping settings, click SUA/NAT , then the Address
Mapping tab. The screen appears as shown in Figure 38 .
Active Select this check box to enable the SUA server entry. Clear this
check box to disallow forwarding of these ports to an inside server
without having to delete the entry.
Name Enter a name to identify this port forwarding rule.
Start Port Enter a port number here. To forward only one port, enter it again in
the End Port field. To specify a range of ports, enter the last port to
be forwarded in the End Port No field
End Port
Server IP
Address
Enter the inside IP address of the server here.
Apply Click Apply to save your changes to the Business Secure Router.
Reset Click Reset to clear your changes.
Table 26 SUA/NAT setup
Label Description