How to determine what metrics are supported for your devices
All supported releases
Component : IM Reporting / Admin / Configuration
Ultimately for any metric, you'd need to look at the devices you are polling and what metrics are supported for those devices.
1) For some example devices, you can look at the DA Device Management screen for those devices:
Note that if there is no Metric Expression, that metric is not collected by the referenced Vendor Certification.
2) Another place to look is the certification portal here:
https://netops-certification.broadcom.com
You can see what metrics are supported for the different devices.
If you don't see the metrics you are looking for that can be submitted as a certification request:
https://knowledge.broadcom.com/external/article?articleId=35801
Note that certification requests do take some time.
Other alternatives are self-certification where you use the documentation to certify needed metrics :