Smarts IP: Cisco Device has false Insufficient memory alerts, even after upgrading to 9.4.1 (.1.3.6.1.4.1.9.1.1017)

Products

• VMware Smart Assurance

Issue/Introduction

Symptoms:


Smarts IP generating false Insufficient memory alerts for Cisco ASR Device (SysOid .1.3.6.1.4.1.9.1.1017)

Environment

VMware Smart Assurance - SMARTS

Cause

From the sm_snmpWalk of the device, we can see the InsufficientFreeMemory alerts on the following Memory pools,

30160112.2
30160112.3
38557239.2
38557239.3
56744940.2
56744940.3

These alerts are not False alerts.

As the device reporting 0 Free memory on these Pools, the alerts are correct and Valid.

Please see the snippet from the SNMP walk on OID 1.3.6.1.4.1.9.9.221.1.1.1.1.8 (cempMemPoolFree).

ASR9010_7155.mimic(26615): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.30160112.1: 1365417984
ASR9010_7155.mimic(26616): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.30160112.2: 0
ASR9010_7155.mimic(26617): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.30160112.3: 0
ASR9010_7155.mimic(26618): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.38557239.1: 1626181632
ASR9010_7155.mimic(26619): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.38557239.2: 0
ASR9010_7155.mimic(26620): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.38557239.3: 0
ASR9010_7155.mimic(26621): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.56744940.1: 1960525824
ASR9010_7155.mimic(26622): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.56744940.2: 0
ASR9010_7155.mimic(26623): .1.3.6.1.4.1.9.9.221.1.1.1.1.8.56744940.3: 0

Resolution

These alerts are not False alerts. The device utilizes the Cisco Enhanced Memory pool mib (1.3.6.1.4.1.9.9.221.1.1.1.1.8) to report memory values.

Additional Information

The Certification:
# Cisco ASR 9010 Router
.1.3.6.1.4.1.9.1.1017 {
    TYPE = Router
    VENDOR = Cisco
    MODEL = ASR9010
    CERTIFICATION = CERTIFIED
    CONT = Cisco-Entity
    NEIGHBOR = Cisco-Cdp
    HEALTH = Cisco-ASR9k-EntSensor

INSTRUMENTATION:
    Environment                         = CiscoEntityFRU:DeviceID
    CPU/Memory                          = CiscoRouter:DeviceID
    Card-Fault                          = CiscoEntityFRU
    Interface-Fault                     = MIB2
    Interface-Performance               = CiscoRouter
    Interface-Ethernet-Performance      = CiscoRouter_Ethernet
}