Cisco AIR-CB21AG-W-K9 Configuration Guide - Page 53

Advanced Roaming Setting

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Chapter 2 Configuring Wireless Profiles Viewing and Changing the Settings of a Profile Advanced Roaming Setting You can enable or disable the advanced roaming feature in the Cisco Connection Settings dialog box, which is available from the profile's Connection tab in the Wireless Network properties dialog box (see Step 2 in the "Viewing and Changing the Settings of a Profile" section on page 2-13 to get to the Cisco Connection Settings dialog box). Check the Enable Advanced Roaming Setting check box to enable the advanced roaming feature. Uncheck the check box to disable the feature. You can choose from five roaming policies to meet the needs of your wireless network. The roaming policy is the level of aggressiveness for roaming. From the Roaming Option drop-down list, choose roaming policy: • Very Low-Roaming aggressiveness is very low. The client maintains connection with the current access point until its RSSI and transmit rate drop to the values where it may loose connection. The client roams to another access point only when it might loose connection with the current access point. This roaming policy prioritizes connection to the current AP rather than performance. This policy is best suited for environments in which only one access point is present. • Low-Roaming aggressiveness is low. The client maintains connection with the current access point until its RSSI and transmit rate drop to values where performance is heavily degraded. This policy is best suited for environments in which access points are distributed sparsely. • Normal-Roaming aggressiveness is normal. The client maintains connection with the current access point until its RSSI and transmit rate drop to values where performance is degraded. This policy gives balanced priorities to roaming aggressiveness and performance. • High-Roaming aggressiveness is high. The RSSI and rate thresholds are set to high values to increase the aggressiveness of roaming. This policy is best suited for environments in which many access points are closely distributed and in which the user moves around at a faster pace. • Very High-Roaming aggressiveness is very high. The RSSI and rate thresholds are set to values that give the best performance. This policy is best suited for environments in which multiple access points are present and in which the user can switch to the best performing access points at any time. • Default-The default roaming policy is Normal. This roaming policy is set in the client driver. Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide for Windows Vista OL-16534-01 2-19

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2-19
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide for Windows Vista
OL-16534-01
Chapter 2
Configuring Wireless Profiles
Viewing and Changing the Settings of a Profile
Advanced Roaming Setting
You can enable or disable the advanced roaming feature in the Cisco Connection Settings dialog box,
which is available from the profile’s Connection tab in the Wireless Network properties dialog box (see
Step 2
in the
“Viewing and Changing the Settings of a Profile” section on page 2-13
to get to the Cisco
Connection Settings dialog box).
Check the
Enable Advanced Roaming Setting
check box to enable the advanced roaming feature.
Uncheck the check box to disable the feature.
You can choose from five roaming policies to meet the needs of your wireless network. The roaming
policy is the level of aggressiveness for roaming. From the Roaming Option drop-down list, choose
roaming policy:
•
Very Low—
Roaming aggressiveness is very low. The client maintains connection with the current
access point until its RSSI and transmit rate drop to the values where it may loose connection. The
client roams to another access point only when it might loose connection with the current access
point.
This roaming policy prioritizes connection to the current AP rather than performance. This
policy is best suited for environments in which only one access point is present.
•
Low—
Roaming aggressiveness is low. The client maintains connection with the current access point
until its RSSI and transmit rate drop to values where performance is heavily degraded. This policy
is best suited for environments in which access points are distributed sparsely.
•
Normal—
Roaming aggressiveness is normal. The client maintains connection with the current
access point until its RSSI and transmit rate drop to values where performance is degraded. This
policy gives balanced priorities to roaming aggressiveness and performance.
•
High—
Roaming aggressiveness is high. The RSSI and rate thresholds are set to high values to
increase the aggressiveness of roaming.
This policy is best suited for environments in which many
access points are closely distributed and in which the user moves around at a faster pace.
•
Very High—
Roaming aggressivenes
s is very high. The RSSI and rate thresholds are set to values
that give the best performance. This policy is best suited for environments in which multiple access
points are present and in which the user can switch to the best performing access points at any time.
•
Default—The default roaming policy is Normal. This roaming policy is set in the client driver.