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C
HAPTER
3: C
ONFIGURING
THE
A
CCESS
P
OINT
2000
To turn off the access point DHCP server capability regardless of whether or not
another DHCP server is available, click
Disable
and click
Save
.
Setting Data
Transmission
Properties
Under System Configuration, click
Data Transmission Properties
. The Data
Transmission Properties page appears, where you can select radio channel settings
and performance settings.
■
Clear Channel Select
—To allow the access point to find a channel
automatically, click the
Automatically select the best channel
radio button.
When this option is enabled, the access point scans the primary channels to
determine the traffic on those channels and chooses the channel with the least
number of packets.
To select a specific channel, click the
Specify the channel
check box and choose
a channel from the
Channel
list.
■
Network Traffic Accelerator
—To increase performance, click
On (Enhanced
performance)
. If you experience problems when equipment other than 3Com
11 Mbps Wireless LAN equipment is being used, click
Off
.
■
Data Preamble
—To increase performance, click
Short (Enhanced
performance)
. When equipment that does not support short preamble is also
being used, click
Long
. To achieve association, wireless device preamble lengths
must match.
When you are finished making your selections, click
Save
.
Changing Encryption
Settings
Under Security, click
Encryption
. The Security Setup page appears, where you can
select the type of security to be used on the access point. The access point can be
configured to support one type of security at a time. You can change the settings
by entering values in the fields and clicking the radio buttons. When you are
finished, click
Save
.
The following sections describe the settings. To maintain wireless association, the
settings on clients and the access points they associate with must match exactly.
No Security (Open
System)
No encryption is used. The network communications could be intercepted by
unintended recipients.
40-bit Shared Key (Wi-Fi)
This option encrypts the wireless transmissions to protect data, but still allows
communication among compatible wireless LAN clients and access points from
third-party manufacturers that are Wi-Fi certified.
This type of security requires you to set up encryption in one of the following
ways:
■
String—For use only with other 3Com 11 Mbps wireless LAN devices, an
encryption string is a case-sensitive string of characters between 6 and 30
characters long. To enter the string, click
Enter a string to generate shared keys
.
Then type any combination of letters and numbers in the space provided and
click
Save
.
■
Shared keys—Hexadecimal keys are sequences of hexadecimal digits arranged
into four keys. A hexadecimal digit may be a letter from A to F or a number
