Concept Guide

Parameter Description
Interference
immunity level
Select to increase the immunity level to improve performance in high-
interference environments.
The default immunity level is 2.
l Level 0— no ANI adaptation.
l Level 1— Noise immunity only. This level enables power-based packet
detection by controlling the amount of power increase that makes a radio
aware that it has received a packet.
l Level 2— Noise and spur immunity. This level also controls the detection of
OFDM packets, and is the default setting for the Noise Immunity feature.
l Level 3— Level 2 settings and weak OFDM immunity. This level minimizes
false detects on the radio due to interference, but may also reduce radio
sensitivity. This level is recommended for environments with a high-level of
interference related to 2.4 GHz appliances such as cordless phones.
l Level 4— Level 3 settings, and FIR immunity. At this level, the AP adjusts its
sensitivity to in-band power, which can improve performance in
environments with high and constant levels of noise interference.
l Level 5— The AP completely disables PHY error reporting, improving
performance by eliminating the time the W-IAP would spend on PHY
processing.
NOTE: Increasing the immunity level makes the AP to lose a small amount of
range.
Channel switch
announcement
count.
Specify the count to indicate the number of channel switching announcements
that must be sent before switching to a new channel. This allows associated
clients to recover gracefully from a channel change.
Background
spectrum
monitoring
Select Enabled to allow the APs in access mode to continue with normal access
service to clients, while performing additional function of monitoring RF
interference (from both neighboring APs and non Wi-Fi sources such as,
microwaves and cordless phones) on the channel they are currently serving
clients.
Customize
ARMpower range
Select the checkbox and choose a minimum (Min Power) and maximum (Max
Power) power range value for the 2.4 GHz and 5GHz band frequencies. The
default value is 3 dBm. Unlike the configuration in the ARM profile, the transmit
power of all radios in the Radio profile do not share the same configuration.
5. Click OK.
In the CLI
To configure 2.4 GHz radio settings:
(Instant AP)(config)# rf dot11g-radio-profile
(Instant AP)(RF dot11 g Radio Profile)# beacon-interval <milliseconds>
(Instant AP)(RF dot11 g Radio Profile)# legacy-mode
(Instant AP)(RF dot11 g Radio Profile)# spectrum-monitor
(Instant AP)(RF dot11 g Radio Profile)# dot11h
(Instant AP)(RF dot11 g Radio Profile)# interference-immunity <level>
(Instant AP)(RF dot11 g Radio Profile)# csa-count <count>
(Instant AP)(RF dot11 g Radio Profile)# max-distance <count>
(Instant AP)(RF dot11 g Radio Profile)# max-tx-power <db>
Dell Networking W-Series Instant 6.4.3.1-4.2.0.0 | User Guide Adaptive Radio Management | 258