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Page 116 / 342 Scroll up to view Page 111 - 115
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Managing your Local Area Network
116
Nokia IP45 Security Platform User’s Guide v4.0
The following window opens:
6.
Enter the values in the IP Address and MAC Address text boxes. To enter the IP address and
MAC address of your computer, click
This Computer
icon.
Note
The VLAN network must not overlap other networks.
7.
Enable the Perform Static NAT check box. Proceed as per the wizard.
Static NAT is configured for the specified single computer.
To configure static NAT to a network
1.
Select Network on the Network Objects window.
2.
Click Next.
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117
The Network Details window opens.
3.
Specify the IP range for your network in the IP Range text box.
4.
To enable static NAT, check the Perform Static NAT check box.
5.
Enter the external IP range in the External IP Range text box.
6.
Click Next.
The Save window opens prompting for a descriptive name for the defined network object.
7.
Enter the name. Example: mynob1.
8.
Click Finish.
Static NAT is configured.
Editing Static NAT
The following procedure describes how to edit the configured static NAT.
To edit static NAT
1.
Choose Network from the IP45 main menu.
The Internet page opens.
2.
Click Network Objects.
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6
Managing your Local Area Network
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Nokia IP45 Security Platform User’s Guide v4.0
The Network Objects page opens with the list of configured network objects.
3.
Click Edit next to the network object, whose static NAT is to be edited.
The Network Objects wizard appears.
4.
Follow the wizard instructions to edit the configured static NAT.
For more information about the wizard screens, see
“To configure static NAT for a single
computer”
on page 114.
Note
You can enable both static NAT and hide NAT for a network object.
Note
The IP45 supports proxy Address Resolution Protocol (ARP). When an external source
attempts to communicate with a computer for which static NAT is enabled, the IP45
automatically replies to ARP queries with its own MAC address, thereby enabling
communication. As a result, the static NAT Internet IP addresses appear to external sources
to be real computers connected to the WAN interface.
Viewing Static NAT
You can view the configured and edited static NAT by using the following procedure:
To view static NAT
1.
Choose Network from the IP45 main menu.
The Internet page opens.
2.
Click Network Objects.
The Network Objects page opens with the list of configured network objects and static NAT.
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VLAN Support
Nokia IP45 Security Platform User’s Guide v4.0
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Deleting Static NAT
You can delete the configured static NAT by using the following procedure:
To delete static NAT
1.
Choose Network > Network Objects.
2.
Click Edit next to the network object, to delete the static NAT.
The Network Object Type window opens.
3.
Click Next.
The Network Details window opens.
4.
Uncheck the Perform Static NAT check box.
5.
Click Next.
6.
Click Finish.
The static NAT is deleted.
Configuring DHCP Reservation
Nokia IP45 v4.0 supports DHCP reservation. By using this feature, you can ensure that the IP
address that the DHCP server assigns to a particular computer is always constant.
Normally a DHCP server assigns the same IP address to the computers. But when the DHCP
server runs out of IP addresses and if any computer is inactive, then the IP address of the inactive
computer is assigned to another computer.
By using DHCP reservation, you can reserve IP addresses that cannot be assigned to any
computers other than the reserved ones. reservation can be done by using the MAC address.
To reserve DHCP
1.
Choose Network from the main menu, and click Network Objects.
2.
Click New on the Network Objects page.
The Network Object Type page opens.
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Managing your Local Area Network
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Nokia IP45 Security Platform User’s Guide v4.0
3.
Select Single Computer, and click Next.
The Computer Details window opens.
4.
Enter the value in IP Address text box to reserve.
5.
Check Reserve a fixed IP for this computer check box.
6.
Click Next.
The Save window opens.
7.
Enter the descriptive name for this network object in the text box provided.
8.
Click Finish.
Deleting Network Objects
The following procedure describes how to delete a network object
.
To delete a network object
1.
Choose Network from the main menu.
The Internet page opens.
2.
Click the Network Objects tab.
The Network Objects page opens with the list of network objects configured.
3.
Click Erase next to the network object, to delete.
A confirmation message appears.
4.
Click OK.
The network object is deleted.

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