When we click on our Palo Alto Firewall devices, we notice that the Performance tab is greyed out and it is not possible to get CPU or Memory metrics from OneClick.
By default, Spectrum determines during a discovery, if the device has CPU and Memory attributes by doing a query to the hrSystemMaxProcess, and if the device responds, then Spectrum creates an RFC2790app model and the Performance Tab is enabled.
Release : 10.3.x, 10.4.x
SpectroSERVER Core, Spectrum OneClick
Palo Alto devices do not support the hrSystemMaxProcesses mib attribute which SPECTRUM queries to determine support of the Host Resources MIB. Therefore,
when SPECTRUM queries the hrSystemMaxProcesses attribute it does not get a response and the rfc2790app model is not created.
Even though these devices are certified, some of these devices do not support the attributes which are used to trigger the attachment of appmodels.
Please follow the below steps to make sure that the correct appmodel is attached to the device.
1. Stop the SS
2. For the appModel rfc2790App, update the default_attr_list with 0xc4072e (hrSystemUpTime) in MTE (Model Type Editor).
3. Start the SS and Reconfigure the model.
Once the rfc2790app model is created after a successful model reconfiguration, the NRM attributes will get mapped and the Performance Tab will be enabled.
This is scheduled to be fixed out of the box with Spectrum 10.4.1 BMP 1 patch and any newer future releases of Spectrum.