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Cisco Wireless LAN Controller Configuration Guide
OL-17037-01
Chapter 4 Configuring Controller SettingsWireless Device Access
Configuring Client Roaming
Step 6 In the Transition Time field, enter the maximum time allowed for the client to detect a suitable
neighboring access point to roam to and to complete the roam, whenever the RSSI from the client’s
associated access point is below the scan threshold.
The Scan Threshold and Transition Time parameters guarantee a minimum level of client roaming
performance. Together with the highest expected client speed and roaming hysteresis, these parameters
make it possible to design a wireless LAN network that supports roaming simply by ensuring a certain
minimum overlap distance between access points.
Range: 1 to 10 seconds
Default: 5 seconds
Step 7 Click Apply to commit your changes.
Step 8 Click Save Configuration to save your changes.
Step 9 Repeat this procedure if you want to configure client roaming for another radio band (802.11a or
802.11b/g).
Using the CLI to Configure CCX Client Roaming Parameters
To configure CCX Layer 2 client roaming parameters, enter this command:
config {802.11a | 802.11b} l2roam rf-params {default | custom min_rssi roam_hyst scan_thresh
trans_time}
Note See the description, range, and default value of each RF parameter in the “Using the GUI to
Configure CCX Client Roaming Parameters” section on page 4-42.
Using the CLI to Obtain CCX Client Roaming Information
Use these commands to view information about CCX Layer 2 client roaming.
1. To view the current RF parameters configured for client roaming for the 802.11a or 802.11b/g
network, enter this command:
show {802.11a | 802.11b} l2roam rf-param
2. To view the CCX Layer 2 client roaming statistics for a particular access point, enter this command:
show {802.11a | 802.11b} l2roam statistics ap_mac
This command provides the following information:
–
The number of roam reason reports received
–
The number of neighbor list requests received
–
The number of neighbor list reports sent
–
The number of broadcast neighbor updates sent
3. To view the roaming history for a particular client, enter this command:
show client roam-history client_mac
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