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Configuring Interface NAT—Quick Configuration

You can use J-Web Quick Configuration to quickly configure interface NAT.

Before You Begin
For background information, read Understanding NAT Understanding NAT Interface Source Pools Understanding Security Zone Interfaces

Before You Begin

For background information, read

Figure 63 shows the Quick Configuration for Interface NAT page.

Figure 63: Quick Configuration Page for Interface NAT

Image QC_int_NAT.gif

To configure interface NAT with Quick Configuration:

Select Configuration > Quick Configuration > Firewall/NAT > Interface NAT.
Click Add. The Quick Configuration screen for interface NAT appears as shown in Figure 63.
Fill in either an IP address range or a single IP address with its port number. See Table 55 for more information on these options.
Click one of the following buttons:
- To apply the configuration and stay on the Quick Configuration page, click Apply.
- To apply the configuration and return to the main Configuration page, click OK.
- To cancel your entries and return to the main page, click Cancel.
Figure 64: Source NAT Pool Configuration

Table 55: Interface NAT Configuration Options

Field	Function	Action
Interface NAT
Name	Indicates name of the interface.	Provide an already defined logical interface name. For example, ge-0/0/0.0.
Allow Incoming Traffic	Supports VoIP incoming calls—that is, the calls that are initiated from the public network to the private network.	Select this option to enable incoming traffic.
Enable Proxy ARP
IP Address	Configures proxy ARP for a single IP address.	Specify the IP address for which you want to configure proxy ARP.
IP Address Range	Configures proxy ARP for a range of IP addresses.	Specify the IP address range for which you want to configure proxy ARP. For example, a low IP address (10.1.1.150) to specify the start address in the range and a high IP address (10.1.1.200) to specify the end address in the range. Click OK.
Configure Source NAT	Indicates name of the source address pool.	Specify a name for the source address pool.
Interface Source NAT Pools	Indicates predefined source pool.	Click Add. The Source NAT Pool configuration screen displays as shown in Figure 64.
Name
Low Host Address	Indicates lower limit of the original source address range that is used to define the static source pool.	Specify the start address of the IP address range.
Disable Port Translation	Makes the pool perform address translation only.	Select the checkbox to disable port translation.
Allow Incoming Traffic	Allows VoIP incoming calls.	Select the checkbox to allow this pool to support incoming traffic.
Overflow Pool	Indicates a source pool to use when the current address pool is exhausted.	From the dropdown list, select the overflow pool.
Addresses	Indicates IP address(es) for the source NAT pool.	Configure either a single IP address or an IP address range for the source NAT pool. For more information, see Configuring Source NAT—Quick Configuration. Click OK.
Configure Static NAT
Static NAT	Indicates a direct one-to-one mapping of one IP address to another without port address translation.	Click Add to define static NAT.
Mapped Address	Indicates IP address to map.	Specify the IP address to be mapped.
Host Address	Indicates IP address of host	Specify the IP address of the host to which another address is mapped.
Virtual Router	Indicates virtual router name.	Specify the name of the virtual router that is to perform route lookup for the host address(es). Click OK.

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