Cisco 340 - Manual (Page 16)

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Cisco Aironet 340, 350, and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows
OL-1394-08
Chapter 5 Configuring the Client Adapter
Setting Advanced Infrastructure Parameters
Specified Access Point 1- 4 Specifies the MAC addresses of up to four preferred access points
with which the client adapter can associate. If the specified access
points are not found or the client adapter roams out of range, the
adapter may associate to another access point.
You can enter the MAC addresses of the access points in the edit boxes
or choose not to specify access points by leaving the boxes blank.
Default: Blank fields
Note This parameter should be used only for access points that are
in repeater mode. For normal operation, leave these fields
blank because specifying an access point slows down the
roaming process.
RTS Threshold Specifies the size of the data packet that the low-level RF protocol
issues to a request-to-send (RTS) packet.
Setting this parameter to a small value causes RTS packets to be sent
more often. When this occurs, more of the available bandwidth is
consumed and the throughput of other network packets is reduced, but
the system is able to recover faster from interference or collisions,
which may be caused from a high multipath environment
characterized by obstructions or metallic surfaces.
Range: 0 to 2312
Default: 2312
Note Refer to the IEEE 802.11 Standard for more information on
the RTS/CTS mechanism.
RTS Retry Limit Specifies the number of times the client adapter resends a
request-to-send (RTS) packet if it does not receive a clear-to-send
(CTS) packet from the previously sent RTS packet.
Setting this parameter to a large value decreases the available
bandwidth whenever interference is encountered but makes the system
more immune to interference and collisions, which may be caused
from a high multipath environment characterized by obstructions or
metallic surfaces.
Range: 1 to 128
Default: 16 (2.4-GHz client adapters) or 32 (5-GHz client adapters)
Note Refer to the IEEE 802.11 Standard for more information on
the RTS/CTS mechanism.
Table 5-4 Advanced (Infrastructure) Parameters (continued)
Parameter Description