'show temperature' displays different values in cz830/cz840 software streams compared to SCZ810 (Doc ID 2822811.1)

Last updated on AUGUST 21, 2023

Applies to:

Symptoms

The MIB OID in cz830/cz840 stream report different values than scz810 software stream. This will lead to either increase or decrease in temperature values on the snmp monitoring tool, where we can expect difference of 5-6 degree Celsius in certain OID's of this branch.

Changes

Lab Testing:
--> Set snmp-community and trap-receiver
--> Consider example, OID 1.3.6.1.4.1.9148.3.3.1.3.1.1.4 corresponds to the 'show temperature' output i.e. temperature reading in Celsius of each temperature sensor.
--> Run snmpwalk for OID 1.3.6.1.4.1.9148.3.3.1.3.1.1.4 on the snmp server that is set as snmp-community/trap-receiver and compare the output with that of 'show temperature' in sbc on both streams.

In this case, we have tested using software versions scz810m1p14 and cz840p3. The OID mapping for snmp remains the same in both streams of 810 and 830/840. The snmp is correctly reporting the OIDs from corresponding acli output

snmpwalk -c acme -v2c <wancom0 IP> 1.3.6.1.4.1.9148.3.3.1.3.1.1.4

Result from cz840p3 on 6350 h/w:

6350-SBC# show temperature
FLX1 TEMP1 +19.000 C (high = +100.000 C)
PHY0 TEMP0 +27.000 C (high = +100.000 C)
PHY0 TEMP1 +33.000 C (high = +100.000 C)
PHY0 TEMP2 +22.000 C (high = +100.000 C)
PHY0 CAV0 TEMP1 +39.000 C (high = +101.000 C)
PHY0 CAV1 TEMP1 +44.000 C (high = +101.000 C)
PHY0 PEX0 TEMP1 +35.000 C (high = +100.000 C)
MGMT TEMP1 +26.500 C (high = +100.000 C)
PHY1 TCM2 +32.000 C (high = +80.000 C)
MAIN CPU CORE0 TEMP +33.000 C (high = +82.000 C)
MAIN CPU CORE1 TEMP +33.000 C (high = +82.000 C)
MAIN CPU CORE2 TEMP +33.000 C (high = +82.000 C)
MAIN CPU CORE3 TEMP +33.000 C (high = +82.000 C)
MAIN CPU CORE4 TEMP +33.000 C (high = +82.000 C)
MAIN CPU CORE5 TEMP +34.000 C (high = +82.000 C)
MAIN CPU CORE6 TEMP +34.000 C (high = +82.000 C)
MAIN CPU CORE7 TEMP +34.000 C (high = +82.000 C)
PHY1 TCM6 +32.500 C (high = +80.000 C)
PHY1 TCM0 +32.000 C (high = +80.000 C)
PHY1 TCM4 +32.000 C (high = +80.000 C)
MAIN Left Side Egress Temp +29.000 C (high = +100.000 C)
MAIN Left Side Ingress Temp +22.500 C (high = +100.000 C)
FLX2 TEMP1 +19.500 C (high = +100.000 C)
MAIN Power Supply 0 Intake Temp +24.500 C (high = +100.000 C)
PHY1 TEMP1 +23.000 C (high = +100.000 C)
PHY1 TEMP2 +32.000 C (high = +100.000 C)
PHY1 TEMP3 +31.000 C (high = +100.000 C)
PHY1 TEMP4 +26.000 C (high = +100.000 C)
PHY1 TEMP5 +26.000 C (high = +100.000 C)
PHY1 TEMP0 +33.625 C (high = +100.000 C)
TLS0 Card Temp +22.500 C (high = +100.000 C)
PHY1 TCM3 +32.000 C (high = +80.000 C)
MAIN PCI-E TEMP1 +43.000 C (high = +108.000 C)
PHY1 TCM7 +31.000 C (high = +80.000 C)
PHY1 TCM1 +32.000 C (high = +80.000 C)
PHY1 TCM5 +32.500 C (high = +80.000 C)
MAIN Right Side Egress Temp +19.500 C (high = +100.000 C)
MAIN Right Side Ingress Temp +21.500 C (high = +100.000 C)
MAIN Power Supply 1 Intake Temp +24.500 C (high = +100.000 C)
6350-SBC#

[root@155 ~]# snmpwalk -c acme -v2c <wancom0 IP> 1.3.6.1.4.1.9148.3.3.1.3.1.1.4
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.1 = INTEGER: 19
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.2 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.3 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.4 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.5 = INTEGER: 39
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.6 = INTEGER: 44
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.7 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.8 = INTEGER: 26
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.9 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.10 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.11 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.12 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.13 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.14 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.15 = INTEGER: 34
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.16 = INTEGER: 34
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.17 = INTEGER: 34
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.18 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.19 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.20 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.21 = INTEGER: 29
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.22 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.23 = INTEGER: 19
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.24 = INTEGER: 24
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.25 = INTEGER: 23
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.26 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.27 = INTEGER: 31
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.28 = INTEGER: 26
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.29 = INTEGER: 26
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.30 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.31 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.32 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.33 = INTEGER: 43
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.34 = INTEGER: 31
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.35 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.36 = INTEGER: 32
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.37 = INTEGER: 19
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.38 = INTEGER: 21
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.39 = INTEGER: 24

#################################################

Now, repeat similar test in scz810m1p14:

6350-SBC# show temperature
MAIN Power Supply 0 Intake Temp +24.000 C (high = +100.000 C)
MAIN Power Supply 1 Intake Temp +24.000 C (high = +100.000 C)
MAIN Left Side Ingress Temp +22.500 C (high = +100.000 C)
MAIN Right Side Ingress Temp +21.000 C (high = +100.000 C)
MAIN Left Side Egress Temp +29.000 C (high = +100.000 C)
MAIN Right Side Egress Temp +19.000 C (high = +100.000 C)
PHY1 TCM0 +27.000 C (high = +80.000 C)
PHY1 TCM1 +27.000 C (high = +80.000 C)
PHY1 TCM2 +27.500 C (high = +80.000 C)
PHY1 TCM3 +27.000 C (high = +80.000 C)
MAIN CPU CORE0 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE1 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE2 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE3 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE4 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE5 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE6 TEMP +35.000 C (high = +82.000 C)
MAIN CPU CORE7 TEMP +35.000 C (high = +82.000 C)
PHY1 TCM4 +27.000 C (high = +80.000 C)
PHY1 TCM5 +27.500 C (high = +80.000 C)
PHY1 TCM6 +27.500 C (high = +80.000 C)
PHY1 TCM7 +26.500 C (high = +80.000 C)
MGMT TEMP1 +26.000 C (high = +100.000 C)
TLS0 Card Temp +22.500 C (high = +100.000 C)
FLX1 TEMP1 +18.500 C (high = +100.000 C)
FLX2 TEMP1 +19.000 C (high = +100.000 C)
MAIN PCI-E TEMP1 +43.000 C (high = +108.000 C)
PHY0 TEMP0 +27.000 C (high = +100.000 C)
PHY0 TEMP1 +33.000 C (high = +100.000 C)
PHY0 TEMP2 +22.000 C (high = +100.000 C)
PHY0 CAV0 TEMP1 +39.000 C (high = +101.000 C)
PHY0 CAV1 TEMP1 +44.000 C (high = +101.000 C)
PHY0 PEX0 TEMP1 +35.000 C (high = +100.000 C)
PHY1 TEMP1 +22.000 C (high = +100.000 C)
PHY1 TEMP2 +28.000 C (high = +100.000 C)
PHY1 TEMP3 +28.000 C (high = +100.000 C)
PHY1 TEMP4 +25.000 C (high = +100.000 C)
PHY1 TEMP5 +25.000 C (high = +100.000 C)
PHY1 TEMP0 +30.500 C (high = +100.000 C)
6350-SBC#

The above output matches the snmpwalk output:

[root@155 ~]# snmpwalk -c acme -v2c <wancom0 IP> 1.3.6.1.4.1.9148.3.3.1.3.1.1.4
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.1 = INTEGER: 24
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.2 = INTEGER: 24
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.3 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.4 = INTEGER: 21
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.5 = INTEGER: 29
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.6 = INTEGER: 19
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.7 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.8 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.9 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.10 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.11 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.12 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.13 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.14 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.15 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.16 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.17 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.18 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.19 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.20 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.21 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.22 = INTEGER: 26
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.23 = INTEGER: 26
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.24 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.25 = INTEGER: 18
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.26 = INTEGER: 19
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.27 = INTEGER: 43
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.28 = INTEGER: 27
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.29 = INTEGER: 33
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.30 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.31 = INTEGER: 39
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.32 = INTEGER: 44
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.33 = INTEGER: 35
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.34 = INTEGER: 22
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.35 = INTEGER: 28
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.36 = INTEGER: 28
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.37 = INTEGER: 25
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.38 = INTEGER: 25
SNMPv2-SMI::enterprises.9148.3.3.1.3.1.1.4.39 = INTEGER: 30

One will notice that the 'show temperature' output for both streams scz810 and cz830/840 are different.

Cause

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