Dell PowerConnect W-AirWave 7.6 User Manual download pdf (Page 286)

274 | Using VisualRF Dell PowerConnect W-AirWave 7.6 | User Guide

Setting Default Description

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 SSL error log on the System > Status

page, you should increase memory allocation.

Core Threads

1x number

of cores

Number of threads that calculate path loss for each floor. These threads also

regenerate a floor's RF properties when new APs, walls, or regions are added to a

floor plan.

Location Caching

Threads

1x number

of cores

Number of threads that calculate the location of all clients associated with access

points on this floor plan.

UI Threads

1x number

of cores

Number of threads that service the users accessing QuickView, as well as AirWave-

to-VisualRF communication. NOTE: If users experience timeout errors while using

QuickView, allocate additional UI Threads.

Synchronization Timer 15 minutes

This timer indicates how often VisualRF will synchronize with the APs within

AirWave. This synchronization includes checking the Up/Down status and parsing

the XML.

Restrict visibility of

empty floor plans to

the role of the user

who created them

No When enabled, only the creator can view an empty floor plan.

Location Settings

To tune location accuracy, go to the Location Settings section on this page as described in "Location Settings

Section in VisualRF > Setup" on page 274:

Setting Default Description

Allowed deviation

for client

placement

4 dB

When VisualRF locates a client or rogue it utilizes signal metrics from all the APs that

hear the client or rogue device. VisualRF builds a fingerprint location for all clients with

similar transmit-power capability. All subsequent clients that fall within the deviation is

placed on the same location fingerprint or x, y coordinates.

Example: AP1 hears Client1 at -72, and AP2 hears Client 1 at -64. VisualRF calculates the

client’s location to be at coordinates 100, 200. Client2 is heard by AP1 at -71 and AP2 at -

65.

VisualRF will use the average of the difference in signals (AP1 -72 and -71) to see if the

client matches a pre-calculated location fingerprint. 1 + 1 (differences in signals) / 2 (# of

APs) = 1 which falls within the deviation of 2, hence the client would be located at 100,

200.

Maximum Rogue

APs per Floor Plan

Sets the maximum number of rogues AirWave will place on a Floor. Use this filter in

combination with the RAPIDS Export Threshold configured on the RAPIDS > Setup page

to intelligently control the number of rogue devices displayed per floor.

NOTE: Increasing this value can increase the load on the server and the clutter on the

screen.

Table 139:

Location Settings Section in VisualRF > Setup

1 2 ... 281 282 283 284 285 286 287 288 289 290 291 ... 331 332

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Dell PowerConnect W-AirWave 7.6 User Manual Page 286

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