Extreme Networks Summit WM User Manual page 131

11 In the WAP Properties section, do the following:
Poll Timeout - Type the timeout value, in seconds. The Altitude AP uses this value to trigger re-
establishing the link with the Summit WM Controller if it (Altitude AP) does not get an answer
to its polling. The default value is 10 seconds.
NOTE
If you are configuring session availability, the Poll Timeout value should be 1.5 to 2 times of Detect link failure
value on WAP Properties screen. For more information, see
Telnet Access - Click whether Telnet Access to the Altitude AP is enabled or disabled.
Country - Click the country of operation. This option is only available with some licenses.
12 In the Radio Settings section, do the following:
Radio Mode - Click the radios you want to enable.
Channel Width - Click the channel width for the radio:
20MHz - Click to allow 802.11n clients to use the primary channel (20MHz) and non-802.11n
clients, beacons, and multicasts to use the 802.11b/g radio protocols.
40MHz - Click to allow 802.11n clients that support the 40MHz frequency to use 40MHz,
20MHz, or the 802.11b/g radio protocols. 802.11n clients that do not support the 40MHz
frequency can use 20MHz or the 802.11b/g radio protocols and non-802.11n clients, beacons,
and multicasts use the 802.11b/g radio protocols.
Auto - Click to automatically switch between 20MHz and 40MHz channel widths, depending
on how busy the extension channel is.
DTIM - Type the desired DTIM (Delivery Traffic Indication Message) period - the number of
beacon intervals between two DTIM beacons. To ensure the best client power savings, use a large
Summit WM User Guide, Software Version 5.3
"Session availability" on page 237.
131