Introduction : It is recommended to have simillar class/model IAPs in the cluster. But, there are IAP deployments where clusters are in place with a mix of dual radio (IAP-105, IAP-135) and single radio IAPs (IAP-92, IAP-93).
Environment : This article applies to Aruba Instant Access Points running InstantOS.
Network Topology : IAP clusters with mix of dual radio and single radio IAPs.
Configuration Steps :
In the SSID advance options, one can select a band that SSID needs to be broadcasted. It can be either All (or) Only 2.4 GHz (or) 5.0 GHz. Now, if the single radio IAPs are in the clusters then which band would they will be broadcasting, is the question?
Below shown, are the two configuration points that can change the radio band on single radio IAPs:
In the SSID advance options:
In the System settings:
With an example of only one SSID in cluster, below table shows how the result band on single radio IAPs change:
(NOTE: Assuming only one SSID configured in IAP cluster)
|
Band in SSID Profile
|
"Preferred band' in SSID profile
|
Band selected by Single radio IAPs
|
|
All
|
All
|
2.4
|
|
2.4
|
All
|
2.4
|
|
5.0
|
All
|
---- *
|
|
2.4
|
2.4
|
2.4
|
|
2.4
|
5.0
|
---- *
|
|
5.0
|
2.4
|
---- *
|
|
5.0
|
5.0
|
5.0
|
* Single Radio IAPs do not broadcast any SSIDs.
Verification :
So, how do we verify on which band does single radio IAPs broadcasting the SSIDs?
Below image helps us to make use of support in GUI to understand the SSIDs that are being broadcasted by all IAPs including their respective radio bands:
(This output was captured, when "Band" in SSID profile is set to "All" and 'Preferred Band" system settings is set to "All")