Network Tuning26
If it is determined that there are areas where coverage does not meet the requirements, AP
transmit power can be adjusted; or if external antennas are used, they may need to be
adjusted. In some cases, additional APs may need to be deployed. The validation/adjustment
process should be iterative until all areas of the deployment have the coverage specified in the
design requirements.
Network Tuning
It is highly unlikely that any initial Wi-Fi deployment will be optimally tuned, even if extreme
care was taken during the planning and implementation phases, as there are too many vari-
ables to account for when dealing with Wi-Fi. Although it is beyond the scope of this guide to
delve deeply into the art and science of Wi-Fi network tuning, this section will touch on a num-
ber of things that should be checked and, if applicable, adjusted.
There are a number of statistics that should be monitored post-deployment to determine how
well the network is running, such as client counts per radio, channel utilization rates, radio
retry rates, client data rates, application performance, SLAs met, etc.
Monitoring channel utilization rates, for example, can help identify where capacity needs may
be high enough to warrant adding channel capacity. If adding more channel capacity is not the
preferred option to increase throughput capacity, another option could be to upgrade clients
from the existing 11n/ac set to 11ax.
Network monitoring and tuning should be an ongoing activity, as RF environments, client
mixes, application requirements, etc., tend to change over the course of the life of a Wi-Fi net-
work.
Migrating in FortiWLM
In order to facilitate the FAP-U43xF migration within FortiWLC (SD) and FortiWLM, once the
swap process for APs has been performed on the controller, FAP-U43xF automatically get
updated in FortiWLM.
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