About Tri-Radio Mode

Aruba Central supports tri-radio mode in Aruba AP-555, a flagship 802.11ax access point (AP). In tri-radio mode or split 5 GHz Gigahertz. mode, the 8x8 5 GHz radio is split into two independent 4x4 5 GHz radios. In the tri-radio mode, the 5GHz Band operates on channels from 36 to 64 and Second 5GHz Radio operates on channels from 100 to 165.

The split 5 GHz radio can operate in the following modes:

  • Access
  • Monitor
  • Spectrum

Enabling Tri-Radio Mode

To enable the tri-radio mode, complete the following steps:

  1. In the Aruba Central app, select one of the following options:
    • To select a group in the filter:
      1. Set the filter to one of the options under Groups. Ensure that the filter selected contains at least one active access point.

        The dashboard context for the group is displayed.

      2. Under Manage, click Devices > Access Points.

        A list of access points is displayed in the List view.

    • To select an access point in the filter:
      1. Set the filter to Global.
      2. Under Manage, click Devices > Access Points.

        A list of access points is displayed in the List view.

      3. Click an access point listed under Device Name.

        The dashboard context for the access point is displayed.

      4. Under Manage, click Devices > Access Point.
  2. Click the Config icon.

    The tabs to configure access points are displayed.

  3. Click the Access Points tab.

    The Access Points page is displayed.

  4. To edit an AP, select an AP in the Access Points table, and then click the edit icon.
  5. Click Radio.
  6. Select the Split Radio check box.
  7. Click Save Settings.

Viewing Tri-Radio Events

To view the tri-radio events, complete the following steps:

  1. In the Aruba Central app, select one of the following options:
    • To select a group, label, site, or all devices in the filter, set the filter to one of the options under Groups, Labels, or Sites. For all devices, set the filter to Global.

      The dashboard context for the selected filter is displayed.

    • To select a device in the filter:
      1. Set the filter to Global.
      2. Under Manage, click Devices, and then click Access Points.

        A list of APs is displayed in the List view.

      3. Click an AP listed under Device Name.

        The dashboard context for the AP is displayed.

  2. Under Analyze, click Alerts & Events.

    The Alerts & Events page is displayed in the List view.

  3. Click the Events tab.

    A list of events is displayed in the Events table.

When the tri-radio mode is either enabled or disabled in an AP, the Events table displays the following details:

  • The Event Type column includes the AP Tri-Radio type, which can be used to filter tri-radio events.
  • The Description column includes the status of the tri-radio mode in AP.

In Aruba Central, the tri-radio mode feature is available only on AP-555, running Aruba Instant 8.6.0.0 or later versions. By default, the AP-555 operates in dual radio mode.