FortiWLC – When Would I Use Virtual Cell Overflow?

When Would I Use Virtual Cell Overflow?

This feature is designed for a high density deployment and provides a solution for bottlenecks caused by transmitting beacons. Virtual Cell Overflow is useful in these situations:

  • Beacon overhead has become very high due to the legacy b devices.
  • A very dense network is consuming a lot of airtime with beacons.

Be aware that Virtual Cell Overflow has these tradeoffs:

  • Trade-off between mobility and performance
  • Trade-off between density and performance
  • Not a solution to get good performance for overflow clients

Configure Virtual Cell Overflow with the Web UI

To set up Virtual Cell Overflow from the Web UI, follow these steps:

  1. Create a Virtual Cell ESS by following the directions “Add an ESS with the Web UI” on page 137. Be sure that the setting for Virtual Cell is set to On.
  2. Create a non-Virtual Cell ESS by following the directions “Add an ESS with the Web UI” on page 137. Be sure that the setting for RF Vitualization Mode is not Virtual Cell. Make this an Overflow ESS with the setting Overflow for; select the ESS you created in Step 1. This overflow ESS automatically inherits the remaining parameters of the Virtual Cell ESS.

 


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