Users Guide

Figure 177:Server Settings
The server settings are detailed in Table 146.
Setting Default Description
Enable VisualRF
Engine
No Enables or disables the VisualRF engine. This setting must be enabled to
use VisualRF. If you do not have a license for VisualRF, this page will not
appear.
Enable Multi-floor
Bleed-Through
Yes Enables or disables calculating the impact APs on floors above and below
the currently viewed floor in the Quick View.
Dynamic
Attenuation
Yes Incorporate AP to AP readings as well as site survey information and
dynamically recalculate the path loss of each radio to every grid cell on
the floor plan, increasing coverage and location accuracy.
Use Metric Units No Instructs the VisualRF engine to display all units of measurements in
metric
Memory Allocation 512 MB The amount of memory dedicate to VisualRF. It is not dynamically
allocated and all the memory is consumed upon starting the service. Be
sure to check the memory and swap utilization in the Systems >
Performance page before making any changes. The exact amount of
memory used per floor plan will vary heavily based on the size, number of
devices and number of grid cells on the floor plan.
l 25 floors or less 512 MB
l 25 to 50 floors 768 MB
l 50 to 75 floors 1 GB
l 75 to 100 floors 1.5 GB
l 100 to 200 floors 3 GB
l 200 to 300 floors 5 GB (64-bit only)
l Above 300 8 GB (64-bit only)
NOTE: If you see Out of Memory errors in the httpd/error_log on the
System > Status page, you should increase memory allocation.
Table 146: Server Settings
Dell Networking W-AirWave 8.2.4 | User Guide Using VisualRF | 308