Memory usage value reported on SNMP for shared MP/DP platforms

Memory usage value reported on SNMP for shared MP/DP platforms

264
Created On 05/27/25 08:21 AM - Last Modified 08/05/26 01:45 AM


Symptom


  • SNMP reported value for memory usage higher than expected

Environment


  • PAN-OS
  • Platforms with shared hardware

Cause


The SNMP OID polled is returning the global memory usage.

The CPU and memory are shared by the DP and MP, it is expected to see a high memory as the processes running on DP are running permanently.

Resolution


Review accordingly the threshold on the network monitoring system to take this behavior in account when the monitored platform is sharing MP and DP resources.

Additional Information


Normative Reference
https://datatracker.ietf.org/doc/html/rfc2790

Palo Alto Network - Hardware Architectures
https://www.paloaltonetworks.com/resources/pa-series-next-generation-firewalls-hardware-architectures

 
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