AI-RRM - Info about Scoring system

[RaphaelL]

Hi ,

I'm playing with AI-RRM in a Lab at the moment and I would love to understand better the scoring system. 

https://documentation.meraki.com/Wireless/Operate_and_Maintain/User_Guides/Radio_Settings/AI_-_RRM

From the documentation : 

The score is calculated from : 

• Co-channel Neighbor Utilization -> coChannelUtilizationScore
• Co-channel Overlapping -> coChannelNeighborScore
• Noise Side Channel -> sideChannelNoiseScore
• Noise Same Channel -> channelNoiseScore
• Co-channel interference -> channelInterferenceScore (?)
• Adjacent channel interference -> interferenceScore (?)
• Low SNR Clients -> lowRssiClientsScore
• Radio Utilization -> ?
• Channel Change Health -> ?

These 9 values are included in getOrganizationAssuranceConnectivityWirelessRfHealthByBand :

"ccaBusyScore": 100,
"channelInterferenceScore": 100,
"channelNoiseScore": 100,
"clientScore": 100,
"coChannelNeighborScore": 100,
"coChannelUtilizationScore": 100,
"interferenceScore": 100,
"lowRssiClientsScore": 100,
"neighborCoverageScore": 54,
"neighborScore": 100,
"noiseScore": 100,
"nonCoChannelNeighborScore": 54,
"nonCoChannelUtilizationScore": 100,
"overallScore": 100, ( self explanatory )
"sideChannelNoiseScore": 100,
"sideChannelNeighborScore": 100,
"sideChannelInterferenceScore": 100,
"connectedClientCount": 2,

What is the meaning of these values ? : 

ccaBusyScore

clientScore

neighborCoverageScore

neighborScore

noiseScore

nonCoChannelNeighborScore

nonCoChannelUtilizationScore

sideChannelInterferenceScore

sideChannelInterferenceScore

connectedClientCount

 Do they affect the score or not ?

[RWelch]

😁The AI Assistant indicates:

The AI-RRM scoring system uses a set of RF health metrics to calculate the overall RF Performance score for each access point and the network. Here’s what each of the metrics means and how they relate to the overall score:

AI-RRM metric definitions

Cca busy score
Measures channel busy time due to CCA; higher is better

Client score
Reflects client connectivity health; lower means more poor clients

Neighbor coverage score
Indicates AP coverage by neighbors; affects roaming and redundancy

Neighbor score
Aggregates impact of co-channel and side-channel neighbors

Noise score
Represents detected channel noise; higher noise lowers score

Non co-channel neighbor score
Measures impact of non-co-channel neighbors

Non co-channel utilization score
Assesses utilization from non-co-channel neighbors

Side channel interference score
Quantifies interference from adjacent channels

Connected client count
Number of clients connected to the AP

According to Meraki documentation, the overall RF Health score for an AP is determined by the lowest score among its sub-component values. The network RF health score is a weighted average of all AP scores, with weights shown in the dashboard.

Not all metrics directly affect the overall score. The most impactful ones are those related to interference, noise, neighbor density, and client health. Metrics like connectedClientCount are shown for context but do not affect the score calculation.

[RaphaelL]

What this answer provided by Cisco AI Assistant from the dashboard ? I haven't really tried it yet

[RWelch]

Correct (yes) - the AI Assistant directly from the Meraki Dashboard.  It's quite improved since the initial launch (release).  I have found it's helpful in some queries - not all.  

As @cmr mentioned in a few of his posts, it'll help you find things you didn't know about your network through the built in AI aspects.  I've cleaned up a few hiccups that I either forgot about or didn't go back and fix.  If you haven't given it a try, ask it a few random things about your own networks.