What is Interfering SSIDs ?

[Gama]

Hi,

Someone know what means interfering SSIDs in my dashboard ?

In my dashboard it show me many "High" interfering SSIDS.

[Sheikh]

Hello Gama,

Could you please attach screenshot of SSIDs from Dashboard ?

regards,

Sheikh

[Gama]

[tschacherl]

I'm seeing something similar and throughput via the wifi is very slow while directly connected to the network is fine. 

[ebilcari]

If you are in an enterprise WiFi infrastructure that have multiple AP deployed but managed by different controllers, try to group the APs of the same management domain to one part of the building. Every controller has a feature Auto RF that manages the power of each AP to minimize interference between APs but this feature will not work for separated controllers. The opposite will happen, in case of interference every AP will raise the radio power in order to offer better service for its hosts resulting in a very congested medium.

[jiahoong112 · Accepted solution]

Interfering SSIDs in this case means the number of neighbouring SSIDs/wifi networks at a certain signal strength (RSSI) that are on the same channel as your FortiAP's. This is commonly known as Co Channel Interference whereby multiple WiFi networks are using the same channel as each other. This means that clients connected to different AP's which are on the same channel are contending with each other for an opportunity to communicate on the wireless medium and slowness, sluggishness is what's commonly experienced in these cases. This is most commonly seen on the 2.4GHz network as there are only 3 reusable, non-overlapping channels. This can be seen on the 5GHz network too if you and/or neighbouring SSIDs are using 40/80MHz channel width.