Nortel BCM 3.7, Manual

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740 Configuring an Interface with NAT
N0008589 3.3
4 Press the Tab key to save the settings.
Adding a Rule to an interface
The maximum number of Rules you can add is 32.
1 Click the Rule Setting tab.
The Rule Setting screen appears.
2 On the Configuration menu, click Add Rule .
The Rule Setting dialog box appears.
3 Configure the Rule settings according to the following table.
Note: Before you can specify the Rule Order you must first add the Rules.
Table 215 NAT Rule Settings
Attribute Description
Rule Name (R#) Allows you to assign a number to the Rule.
The Rule Name uniquely identifies a Rule. The value for this setting must follow certain
conventions. It must always start with the prefix 'R' followed by a unique number identifying the
rule. For example, 'R2' is a valid name. Specify nonrecurring values for the unique number. If you
specify an existing rule name, it modifies the existing rule. If you use nonsequential numbers, the
system automatically reassigns sequential numbers. When you modify a rule, you cannot change
the rule name. The rule name does not have any significance other than identifying an entry.
Direction Allows you to choose the direction of the rule: In or Out .
Protocol Allows you to choose the protocol for this interface; IP , TCP , UDP , or TCP/UDP .
Private IP Type Allows you to view the IP type (read only). It can be either Fixed or Dynamic .
Use Dynamic when the IP is assigned by an outside source. For example, your Internet Service
Provider (ISP) assigns your IP address. If you specify Dynamic, Private IP and Private Mask do
not need to be entered.
The default is Fixed .
Note : Dynamic does not match all IP addresses. If you want to match all IP addresses, enter an
IP address of 0.0.0.0 and a mask of 0.0.0.0.
Private IP Allows you to specify the Private IP address. If the Private IP type is fixed, the Rule is invalid
without this IP address.
Private Range
Mask Allows you to specify the mask to use with the Private IP.
If you want the Rule to apply to a single Private IP address (the Private IP entered), enter
255.255.255.255.
If you want the Rule to apply to all Private IP addresses, enter 0.0.0.0.
Private Port
Range (#-#) Allows you to specify a single entry, a range of entries (1-65535) or one of the following: ALL ,
FTP , Telnet , SMTP , SNMP , SNMP-TRAP , DNS , TFTP , Gopher , Finger , H.323 , HTTP , POP3 ,
NNTP , RPC , SUNNFS , and UNISTIM .