Starting from ArubaOS 126.96.36.199, 550 Series Access points will support 802.11ax 8x8 dual-radio with optional 4x4 tri-radio operating mode.
In tri-radio mode or split 5GHz mode, 8x8:8SS 5GHz radio is split into dual 4x4:4SS 5GHz radio. The two radios can work on AP mode and also work on AP+AMAir Monitor. AM is a mode of operation supported on wireless APs. When an AP operates in the Air Monitor mode, it enhances the wireless networks by collecting statistics, monitoring traffic, detecting intrusions, enforcing security policies, balancing wireless traffic load, self-healing coverage gaps, and more. However, clients cannot connect to APs operating in the AM mode. or AP+ Spectrum mode, where one radio provides wireless access and the other radio performs scanning. Tri-radio mode works only under BT POE or DC power.
The Tri-radio mode in 550 Series Access Points supports the following features:
When an AP is in a mode in which there are two radios on A-bandBand refers to a specified range of frequencies of electromagnetic radiation.,ClientMatch will not try to steer or load balance clients between the two A-bandBand refers to a specified range of frequencies of electromagnetic radiation. radios on the same AP. This limitation also applies to access points in dual-5G mode.
Follow the procedure below to enable tri-radio mode in the WebUI,
1. In the Node hierarchy, navigate to .
2. Select an AP group. In the , select and expand the accordion.
3. Under , enable the toggle switch.
4. Enable the toggle switch to select the radio mode.
5. Select the radio mode from the drop-down list.
6. Click .
8. In the window, select the check box and click .
For other technical specifications, refer 550 SeriesCampus Access Points Installation Guide.