ZyXEL P-660HW-T1 User Manual download pdf (Page 259)

P-660H/HW/W-T Series User’ Guide

259 Chapter 27 Network Address Translation (NAT)

27.3.1.3 Ordering Your Rules

Ordering your rules is important because the Prestige applies the rules in the order that you

specify. When a rule matches the current packet, the Prestige takes the corresponding action

and the remaining rules are ignored. If there are any empty rules before your new configured

rule, your configured rule will be pushed up by that number of empty rules. For example, if

you have already configured rules 1 to 6 in your current set and now you configure rule

number 9. In the set summary screen, the new rule will be rule 7, not 9.

Now if you delete rule 4, rules 5 to 7 will be pushed up by 1 rule, so as old rule 5 becomes rule

4, old rule 6 becomes rule 5 and old rule 7 becomes rule 6.

You must press [ENTER] at the bottom of the screen to save the whole set. You must do this

again if you make any changes to the set – including deleting a rule. No changes to the set take

place until this action is taken.

Selecting Edit in the Action field and then selecting a rule brings up the following menu,

Menu 15.1.1.1

- Address Mapping Rule in which you can edit an individual rule and

configure the Type, Local and Global Start/End IPs.

An End IP address must be numerically greater than its corresponding IP Start address.

Figure 147 Menu 15.1.1.1 Editing/Configuring an Individual Rule in a Set

Table 92 Menu 15.1.1 First Set

FIELD DESCRIPTION

Set Name Enter a name for this set of rules. This is a required field. If this field is left blank, the

entire set will be deleted.

Action The default is Edit. Edit means you want to edit a selected rule (see following field).

Insert Before means to insert a rule before the rule selected. The rules after the

selected rule will then be moved down by one rule. Delete means to delete the

selected rule and then all the rules after the selected one will be advanced one rule.

None disables the Select Rule item.

Select Rule When you choose Edit, Insert Before or Delete in the previous field the cursor

jumps to this field to allow you to select the rule to apply the action in question.

Menu 15.1.1.1 Address Mapping Rule

Type= One-to-One

Local IP:

Start=

End = N/A

Global IP:

Start=

End = N/A

Server Mapping Set= N/A

Press ENTER to Confirm or ESC to Cancel:

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ZyXEL P-660HW-T1 User Manual Page 259