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FortiWiFi and FortiAP Cookbook

6.4.0
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Dual and single 5G for tri-radio models

The Platform mode field on the FortiOS FortiAP Profiles page allows users to select either Dual 5G or Single 5G for tri-radio models (FortiAP U431F and U433F). The dual and single modes provide greater flexibility for 5 GHz, 2.4 GHz, and dedicated monitoring. There is a 160 MHz bandwidth option in the Channel width field to support 802.11ax. For 5 GHz radios, 160 MHz channel bonding is supported for 802.11ac and 802.11ax.

Platform mode

Radio allocation

Dual 5G

  • Two radios at 5 GHz
  • One radio at 2.4 GHz or set to dedicated monitor mode

Single 5G

  • One radio at 5 GHz
  • One radio at 2.4 GHz
  • One radio set to dedicated monitor mode
To configure the platform mode in FortiOS:
  1. Go to WiFi & Switch Controller > FortiAP Profiles and click Create New.
  2. In the Platform field, select a tri-radio model.
  3. For Platform mode, click either Dual 5G or Single 5G.
  4. Configure the remaining settings for each radio as needed.

    Configuration for Dual 5G (radio 1 supports the lower 5 GHz channels and radio 2 supports the higher 5 GHz channels):

    Configuration for Single 5G (radio 3 is already set to Dedicated Monitor mode):

  5. Click OK.

Dual and single 5G for tri-radio models

The Platform mode field on the FortiOS FortiAP Profiles page allows users to select either Dual 5G or Single 5G for tri-radio models (FortiAP U431F and U433F). The dual and single modes provide greater flexibility for 5 GHz, 2.4 GHz, and dedicated monitoring. There is a 160 MHz bandwidth option in the Channel width field to support 802.11ax. For 5 GHz radios, 160 MHz channel bonding is supported for 802.11ac and 802.11ax.

Platform mode

Radio allocation

Dual 5G

  • Two radios at 5 GHz
  • One radio at 2.4 GHz or set to dedicated monitor mode

Single 5G

  • One radio at 5 GHz
  • One radio at 2.4 GHz
  • One radio set to dedicated monitor mode
To configure the platform mode in FortiOS:
  1. Go to WiFi & Switch Controller > FortiAP Profiles and click Create New.
  2. In the Platform field, select a tri-radio model.
  3. For Platform mode, click either Dual 5G or Single 5G.
  4. Configure the remaining settings for each radio as needed.

    Configuration for Dual 5G (radio 1 supports the lower 5 GHz channels and radio 2 supports the higher 5 GHz channels):

    Configuration for Single 5G (radio 3 is already set to Dedicated Monitor mode):

  5. Click OK.