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Chapter 5 LAN Setup
P-660R-F1 Series User’s Guide
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5.2.4 Any IP
Traditionally, you must set the IP addresses and the subnet masks of a computer and the ZyXEL
Device to be in the same subnet to allow the computer to access the Internet (through the ZyXEL
Device). In cases where your computer is required to use a static IP address in another network,
you may need to manually configure the network settings of the computer every time you want to
access the Internet via the ZyXEL Device.
With the Any IP feature and NAT enabled, the ZyXEL Device allows a computer to access the
Internet without changing the network settings (such as IP address and subnet mask) of the
computer, when the IP addresses of the computer and the ZyXEL Device are not in the same
subnet. Whether a computer is set to use a dynamic or static (fixed) IP address, you can simply
connect the computer to the ZyXEL Device and access the Internet.
The following figure depicts a scenario where a computer is set to use a static private IP address in
the corporate environment. In a residential house where a ZyXEL Device is installed, you can still
use the computer to access the Internet without changing the network settings, even when the IP
addresses of the computer and the ZyXEL Device are not in the same subnet.
Figure 33
Any IP Example
The Any IP feature does not apply to a computer using either a dynamic IP address or a static IP
address that is in the same subnet as the ZyXEL Device’s IP address.
Note: You
must
enable NAT/SUA to use the Any IP feature on the ZyXEL Device.
5.2.4.1 How Any IP Works
Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP
address) to a physical machine address, also known as a Media Access Control or MAC address, on
the local area network. IP routing table is defined on IP Ethernet devices (the ZyXEL Device) to
decide which hop to use, to help forward data along to its specified destination.
The following lists out the steps taken, when a computer tries to access the Internet for the first
time through the ZyXEL Device.
Summary of Contents for P-660R-F1 series
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Page 140: ...Chapter 9 Certificates P 660R F1 Series User s Guide 140 ...
Page 144: ...Chapter 10 Static Route P 660R F1 Series User s Guide 144 ...
Page 162: ...Chapter 12 Dynamic DNS Setup P 660R F1 Series User s Guide 162 ...
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