Nlynx Wireless Gateway User Manual

Page 25

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that the range of addresses must not contain the IP address you have already

given to the Wireless Gateway.

The From and To addresses always begin with the same three numbers as the

Wireless Gateway's Local LAN address (see “Broadband Router” under

“Basic Setup,” above). Only the last number of each address can be changed

through the DHCP Server settings panel. These two numbers are referred to

below as the “From value” and the “To value.”

The default From and To values are 101 and 150, respectively. These values

are suitable for the Wireless Gateway's default Local LAN settings or settings

similar to them — that is, settings that put the Wireless Gateway's LAN

interface on an undivided Class C IP network, where valid host addresses run

from x.x.x.1 to x.x.x.254. If the LAN interface is on a smaller network — that

is, if a Local LAN subnet mask other than 255.255.255.0 is chosen — and the

Wireless Gateway's DHCP server function is enabled, the DHCP address

range must be adjusted accordingly.

Lease Time

The Lease Time value is the number of minutes each DHCP client can use its

assigned IP address without requesting renewal from the Wireless Gateway.

The default setting is 1440 minutes (24 hours). If a DHCP client does not

request a lease renewal within this time, it is considered to have gone off the

network, and its IP address can be assigned to another client. Note that some

DHCP clients will themselves disconnect from the network if their lease time

runs out and the DHCP server is not available to renew the lease.

Reserve Table

The Reserve Table lets you make sure that when the DHCP server function is

enabled, the Wireless Gateway will always assign certain IP addresses to

certain DHCP clients and never to any others. This function is especially

useful when, for example, there’s a network print server which will be easier

to use with a fixed IP address in the LAN. The Reserve Table can contain up

to sixteen entries.

To reserve an IP address for a DHCP client, you must know the client

machine's MAC (Media Access Control) address. This is usually printed on a

label affixed to the machine or its network interface card, and consists of

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