Add support for Dell switches running current Dell OS versions (9.14+)

Jellyfrog · 14 April 2020 16:55

Looking to add support for Dell switches like S4048-ON, S4048T-ON, S3148, S3124 running FTOS 9.14+ which have moved away from working with Force10 MIBs.

CPU utilization (missing on all above mentioned swithces)
Memory util. (missing on all above mentioned swithces)
Power Supply Unit status (missing on all above mentioned swithces)
Fan Status (missing on all above mentioned switches)
Detect serial number properly. [This is because Dell is special and uses Service Tag instead] (missing on Inventory tab (says NA))
Detect optic interfaces and grab Tx/Rx signal strength, temperature of optic, etc. In the hopes of graphing the signal strength under the “Health” page for the device or similar area.

Improvements needed in current Librenms detection:

Dell switched their S-Series switches away from Force10 to using Dell specific MIBs somewhat recently and as such the following needs to check DELL MIBS instead of F10-S-SERIES-CHASSIS-MIB

 Dell S Series ChassisSNMP['/usr/bin/snmpbulkwalk' '-v2c' '-c' 'COMMUNITY '-OQUs' '-m' 'F10-S-SERIES-CHASSIS-MIB' '-M' '/opt/librenms/mibs:/opt/librenms/mibs/dell:/opt/librenms/mibs/f10' 'udp:HOSTNAME:161' 'chStackUnitCpuUtil5Sec']

an SNMPBULKWALK oddity i noticed when polling my in-production S4048-ON, I got the following error, as such the below example (in the Optics detection section) are excerpts of snmpwalk on the S4048-ON, and the attached snmpbulkwalk is from S4048T-ON which has no optics.

root@librenms:~# snmpbulkwalk -OUneb -v2c -c XXCOMMUNITYXX S4048-ON_hostname .  > S4048-ON_example_snmpbulkwalk.txt
Error: OID not increasing: .1.3.6.1.4.1.6027.3.9.1.5.1.8.1.1.4.172.30.242.101.32.1.4.172.30.242.101.1.4.172.30.242.101
 >= .1.3.6.1.4.1.6027.3.9.1.5.1.8.1.1.4.172.30.240.3.32.1.4.127.0.0.1.1.4.127.0.0.1

Error: OID not increasing: .1.3.6.1.4.1.6027.3.9.1.5.1.8.1.1.4.172.30.242.101.32.1.4.172.30.242.101.1.4.172.30.242.101
 >= .1.3.6.1.4.1.6027.3.9.1.5.1.8.1.1.4.172.30.240.10.32.1.4.172.30.240.10.1.4.172.30.240.10

<snip>

Error: OID not increasing: .1.3.6.1.4.1.6027.3.9.1.5.1.8.1.1.4.172.30.242.101.32.1.4.172.30.242.101.1.4.172.30.242.101
 >= .1.3.6.1.4.1.6027.3.9.1.5.1.8.1.1.4.172.30.240.28.32.1.4.172.30.240.28.1.4.172.30.240.28

Discovery (Dell S4048T-ON):

https://p.libren.ms/view/0f2515b6

Poller (Dell S4048T-ON):

https://p.libren.ms/view/1453b496

snmpbulkwalk (Dell S4048T-ON)

part 1 https://p.libren.ms/view/fd1affd8
part 2 https://p.libren.ms/view/5f74ad8f
part 3 https://p.libren.ms/view/8f6d29de

The following excerpts show the output with and without ‘print OIDs numerically’ turned on.

CPU and Memory example

root@librenms:/opt/librenms#  snmpwalk -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetCpuUtilTable
DELL-NETWORKING-CHASSIS-MIB::dellNetCpuUtil5Sec.stack.1.1 = Gauge32: 5 percent
DELL-NETWORKING-CHASSIS-MIB::dellNetCpuUtil1Min.stack.1.1 = Gauge32: 7 percent
DELL-NETWORKING-CHASSIS-MIB::dellNetCpuUtil5Min.stack.1.1 = Gauge32: 7 percent
DELL-NETWORKING-CHASSIS-MIB::dellNetCpuUtilMemUsage.stack.1.1 = Gauge32: 28 percent
DELL-NETWORKING-CHASSIS-MIB::dellNetCpuFlashUsage.stack.1.1 = Gauge32: 4 percent

root@librenms:/opt/librenms# snmpwalk -On -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetCpuUtilTable
.1.3.6.1.4.1.6027.3.26.1.4.4.1.1.2.1.1 = Gauge32: 10 percent
.1.3.6.1.4.1.6027.3.26.1.4.4.1.4.2.1.1 = Gauge32: 7 percent
.1.3.6.1.4.1.6027.3.26.1.4.4.1.5.2.1.1 = Gauge32: 7 percent
.1.3.6.1.4.1.6027.3.26.1.4.4.1.6.2.1.1 = Gauge32: 28 percent
.1.3.6.1.4.1.6027.3.26.1.4.4.1.7.2.1.1 = Gauge32: 4 percent

Power Supply Status

root@librenms:/opt/librenms#  snmpwalk -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyTable
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyIndex.stack.1.1 = INTEGER: 1
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyIndex.stack.1.2 = INTEGER: 2
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyOperStatus.stack.1.1 = INTEGER: up(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyOperStatus.stack.1.2 = INTEGER: up(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyType.stack.1.1 = INTEGER: ac(2)
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyType.stack.1.2 = INTEGER: ac(2)
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyPiecePartID.stack.1.1 = STRING: CN-06FKHH-28298-857-06PD
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyPiecePartID.stack.1.2 = STRING: CN-06FKHH-28298-857-06VJ
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyPPIDRevision.stack.1.1 = STRING: A01
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyPPIDRevision.stack.1.2 = STRING: A01
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyServiceTag.stack.1.1 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyServiceTag.stack.1.2 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyExpressServiceCode.stack.1.1 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyExpressServiceCode.stack.1.2 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyUsage.stack.1.1 = INTEGER: 23
DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyUsage.stack.1.2 = INTEGER: 26

root@librenms:/opt/librenms#  snmpwalk -On -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetPowerSupplyTable
.1.3.6.1.4.1.6027.3.26.1.4.6.1.3.2.1.1 = INTEGER: 1
.1.3.6.1.4.1.6027.3.26.1.4.6.1.3.2.1.2 = INTEGER: 2
.1.3.6.1.4.1.6027.3.26.1.4.6.1.4.2.1.1 = INTEGER: up(1)
.1.3.6.1.4.1.6027.3.26.1.4.6.1.4.2.1.2 = INTEGER: up(1)
.1.3.6.1.4.1.6027.3.26.1.4.6.1.5.2.1.1 = INTEGER: ac(2)
.1.3.6.1.4.1.6027.3.26.1.4.6.1.5.2.1.2 = INTEGER: ac(2)
.1.3.6.1.4.1.6027.3.26.1.4.6.1.6.2.1.1 = STRING: CN-06FKHH-28298-857-06PD
.1.3.6.1.4.1.6027.3.26.1.4.6.1.6.2.1.2 = STRING: CN-06FKHH-28298-857-06VJ
.1.3.6.1.4.1.6027.3.26.1.4.6.1.7.2.1.1 = STRING: A01
.1.3.6.1.4.1.6027.3.26.1.4.6.1.7.2.1.2 = STRING: A01
.1.3.6.1.4.1.6027.3.26.1.4.6.1.8.2.1.1 = STRING:
.1.3.6.1.4.1.6027.3.26.1.4.6.1.8.2.1.2 = STRING:
.1.3.6.1.4.1.6027.3.26.1.4.6.1.9.2.1.1 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.4.6.1.9.2.1.2 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.4.6.1.10.2.1.1 = INTEGER: 23
.1.3.6.1.4.1.6027.3.26.1.4.6.1.10.2.1.2 = INTEGER: 26

Fan status

root@librenms:/opt/librenms#  snmpwalk -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayTable
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayIndex.stack.1.1 = INTEGER: 1
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayIndex.stack.1.2 = INTEGER: 2
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayIndex.stack.1.3 = INTEGER: 3
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayIndex.stack.1.4 = INTEGER: 4
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayOperStatus.stack.1.1 = INTEGER: up(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayOperStatus.stack.1.2 = INTEGER: up(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayOperStatus.stack.1.3 = INTEGER: up(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayOperStatus.stack.1.4 = INTEGER: up(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPiecePartID.stack.1.1 = STRING: CN-061DJT-28298-86J-0621
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPiecePartID.stack.1.2 = STRING: CN-061DJT-28298-86J-0622
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPiecePartID.stack.1.3 = STRING: CN-061DJT-28298-86J-0623
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPiecePartID.stack.1.4 = STRING: CN-061DJT-28298-86J-0624
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPPIDRevision.stack.1.1 = STRING: A00
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPPIDRevision.stack.1.2 = STRING: A00
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPPIDRevision.stack.1.3 = STRING: A00
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayPPIDRevision.stack.1.4 = STRING: A00
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayServiceTag.stack.1.1 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayServiceTag.stack.1.2 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayServiceTag.stack.1.3 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayServiceTag.stack.1.4 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayExpressServiceCode.stack.1.1 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayExpressServiceCode.stack.1.2 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayExpressServiceCode.stack.1.3 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayExpressServiceCode.stack.1.4 = STRING: NA

root@librenms:/opt/librenms# snmpwalk -On -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetFanTrayTable
.1.3.6.1.4.1.6027.3.26.1.4.7.1.3.2.1.1 = INTEGER: 1
.1.3.6.1.4.1.6027.3.26.1.4.7.1.3.2.1.2 = INTEGER: 2
.1.3.6.1.4.1.6027.3.26.1.4.7.1.3.2.1.3 = INTEGER: 3
.1.3.6.1.4.1.6027.3.26.1.4.7.1.3.2.1.4 = INTEGER: 4
.1.3.6.1.4.1.6027.3.26.1.4.7.1.4.2.1.1 = INTEGER: up(1)
.1.3.6.1.4.1.6027.3.26.1.4.7.1.4.2.1.2 = INTEGER: up(1)
.1.3.6.1.4.1.6027.3.26.1.4.7.1.4.2.1.3 = INTEGER: up(1)
.1.3.6.1.4.1.6027.3.26.1.4.7.1.4.2.1.4 = INTEGER: up(1)
.1.3.6.1.4.1.6027.3.26.1.4.7.1.5.2.1.1 = STRING: CN-061DJT-28298-86J-0621
.1.3.6.1.4.1.6027.3.26.1.4.7.1.5.2.1.2 = STRING: CN-061DJT-28298-86J-0622
.1.3.6.1.4.1.6027.3.26.1.4.7.1.5.2.1.3 = STRING: CN-061DJT-28298-86J-0623
.1.3.6.1.4.1.6027.3.26.1.4.7.1.5.2.1.4 = STRING: CN-061DJT-28298-86J-0624
.1.3.6.1.4.1.6027.3.26.1.4.7.1.6.2.1.1 = STRING: A00
.1.3.6.1.4.1.6027.3.26.1.4.7.1.6.2.1.2 = STRING: A00
.1.3.6.1.4.1.6027.3.26.1.4.7.1.6.2.1.3 = STRING: A00
.1.3.6.1.4.1.6027.3.26.1.4.7.1.6.2.1.4 = STRING: A00
.1.3.6.1.4.1.6027.3.26.1.4.7.1.7.2.1.1 = STRING:
.1.3.6.1.4.1.6027.3.26.1.4.7.1.7.2.1.2 = STRING:
.1.3.6.1.4.1.6027.3.26.1.4.7.1.7.2.1.3 = STRING:
.1.3.6.1.4.1.6027.3.26.1.4.7.1.7.2.1.4 = STRING:
.1.3.6.1.4.1.6027.3.26.1.4.7.1.8.2.1.1 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.4.7.1.8.2.1.2 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.4.7.1.8.2.1.3 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.4.7.1.8.2.1.4 = STRING: NA

Service tag (serial number)

root@librenms:/opt/librenms#  snmpwalk -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitTable
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitIndex.1 = INTEGER: 1
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitMgmtStatus.1 = INTEGER: mgmtUnit(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitHwMgmtPreference.1 = INTEGER: disabled(0)
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitAdmMgmtPreference.1 = INTEGER: 0
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitModelId.1 = INTEGER: s4048ton(47)
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitStatus.1 = INTEGER: ok(1)
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitDescription.1 = STRING: 48x10G, 6x40G TE/FO G (S4048T-ON)
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitCodeVersion.1 = STRING: 9.14(0.1)
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitSerialNumber.1 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitUpTime.1 = Timeticks: (332224400) 38 days, 10:50:44.00
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitTemp.1 = Gauge32: 32
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitVendorId.1 = STRING: DL
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitMfgDate.1 = STRING: "21062018"
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitMacAddress.1 = STRING: e4:f0:4:e1:67:18
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitPartNum.1 = STRING: 06R5M0
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitProductRev.1 = STRING: A01
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitProductOrder.1 = STRING: NA
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitCountryCode.1 = STRING: "CN"
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitPiecePartID.1 = STRING: CN-06R5M0-28298-86L-0113
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitPPIDRevision.1 = STRING: A01
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitServiceTag.1 = STRING: FXXXXX2
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitExpServiceCode.1 = STRING: 123 456 789 42
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitNumOfPorts.1 = INTEGER: 72
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitNumFanTrays.1 = INTEGER: 4
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitNumPowerSupplies.1 = INTEGER: 2
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitNumPluggableModules.1 = INTEGER: 0
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitIOMMode.1 = STRING:
DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitBladeSlotId.1 = INTEGER: 0

root@librenms:/opt/librenms#  snmpwalk -On -v2c -c XXCOMMUNITYXX HOSTNAME  DELL-NETWORKING-CHASSIS-MIB::dellNetStackUnitTable
.1.3.6.1.4.1.6027.3.26.1.3.4.1.2.1 = INTEGER: 1
.1.3.6.1.4.1.6027.3.26.1.3.4.1.4.1 = INTEGER: mgmtUnit(1)
.1.3.6.1.4.1.6027.3.26.1.3.4.1.5.1 = INTEGER: disabled(0)
.1.3.6.1.4.1.6027.3.26.1.3.4.1.6.1 = INTEGER: 0
.1.3.6.1.4.1.6027.3.26.1.3.4.1.7.1 = INTEGER: s4048ton(47)
.1.3.6.1.4.1.6027.3.26.1.3.4.1.8.1 = INTEGER: ok(1)
.1.3.6.1.4.1.6027.3.26.1.3.4.1.9.1 = STRING: 48x10G, 6x40G TE/FO G (S4048T-ON)
.1.3.6.1.4.1.6027.3.26.1.3.4.1.10.1 = STRING: 9.14(0.1)
.1.3.6.1.4.1.6027.3.26.1.3.4.1.11.1 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.3.4.1.12.1 = Timeticks: (332300800) 38 days, 11:03:28.00
.1.3.6.1.4.1.6027.3.26.1.3.4.1.13.1 = Gauge32: 32
.1.3.6.1.4.1.6027.3.26.1.3.4.1.14.1 = STRING: DL
.1.3.6.1.4.1.6027.3.26.1.3.4.1.15.1 = STRING: "21062018"
.1.3.6.1.4.1.6027.3.26.1.3.4.1.16.1 = STRING: e4:f0:4:e1:67:18
.1.3.6.1.4.1.6027.3.26.1.3.4.1.17.1 = STRING: 06R5M0
.1.3.6.1.4.1.6027.3.26.1.3.4.1.18.1 = STRING: A01
.1.3.6.1.4.1.6027.3.26.1.3.4.1.19.1 = STRING: NA
.1.3.6.1.4.1.6027.3.26.1.3.4.1.20.1 = STRING: "CN"
.1.3.6.1.4.1.6027.3.26.1.3.4.1.21.1 = STRING: CN-06R5M0-28298-86L-0113
.1.3.6.1.4.1.6027.3.26.1.3.4.1.22.1 = STRING: A01
.1.3.6.1.4.1.6027.3.26.1.3.4.1.23.1 = STRING: FXXXXX2
.1.3.6.1.4.1.6027.3.26.1.3.4.1.24.1 = STRING: 123 456 789 42
.1.3.6.1.4.1.6027.3.26.1.3.4.1.25.1 = INTEGER: 72
.1.3.6.1.4.1.6027.3.26.1.3.4.1.26.1 = INTEGER: 4
.1.3.6.1.4.1.6027.3.26.1.3.4.1.27.1 = INTEGER: 2
.1.3.6.1.4.1.6027.3.26.1.3.4.1.28.1 = INTEGER: 0
.1.3.6.1.4.1.6027.3.26.1.3.4.1.29.1 = STRING:
.1.3.6.1.4.1.6027.3.26.1.3.4.1.30.1 = INTEGER: 0

Optic details (for S4048-ON)

root@librenms:/opt/librenms# snmpwalk -On -v2c -c XXCOMMUNITYXX S4048-ON DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransceiverDataTable
.1.3.6.1.4.1.6027.3.11.1.3.1.1.1.2097156 = STRING: "stack-unit-1 port-1"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.1.2097284 = STRING: "stack-unit-1 port-2"
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.1.2105861 = STRING: "stack-unit-1 port-54"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.2.2097156 = STRING: "Te 1/1"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.2.2097284 = STRING: "Te 1/2"
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.2.2105861 = STRING: "Fo 1/54"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.3.2097156 = INTEGER: true(1)
.1.3.6.1.4.1.6027.3.11.1.3.1.1.3.2097284 = INTEGER: true(1)
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.3.2105861 = INTEGER: true(1)
.1.3.6.1.4.1.6027.3.11.1.3.1.1.4.2097156 = STRING: "10GBASE-SR"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.4.2097284 = STRING: "10GBASE-SR"
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.4.2105861 = STRING: "40GBASE-CR4-0.5M"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.5.2097156 = STRING: "DELL"
.1.3.6.1.4.1.6027.3.11.1.3.1.1.5.2097284 = STRING: "DELL"
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.8.2097156 = STRING: "-2.307704" dBm
.1.3.6.1.4.1.6027.3.11.1.3.1.1.8.2097284 = STRING: "-2.336615" dBm
<snipped for brevity><snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.12.2097156 = STRING: "-3.226669" dBm
.1.3.6.1.4.1.6027.3.11.1.3.1.1.12.2097284 = STRING: "-3.163227" dBm
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.16.2097156 = STRING: "35.566406" degree Celsius
.1.3.6.1.4.1.6027.3.11.1.3.1.1.16.2097284 = STRING: "34.886719" degree Celsius
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.17.2097156 = STRING: "3.307200" volts
.1.3.6.1.4.1.6027.3.11.1.3.1.1.17.2097284 = STRING: "3.314500" volts
<snipped for brevity>
.1.3.6.1.4.1.6027.3.11.1.3.1.1.18.2097156 = STRING: "6.550000" mA
.1.3.6.1.4.1.6027.3.11.1.3.1.1.18.2097284 = STRING: "6.542000" mA
<snipped for brevity>

root@librenms:/opt/librenms# snmpwalk -v2c -c XXCOMMUNITYXX S4048-ON DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransceiverDataTable
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransDeviceName.2097156 = STRING: "stack-unit-1 port-1"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransDeviceName.2097284 = STRING: "stack-unit-1 port-2"
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransDeviceName.2105861 = STRING: "stack-unit-1 port-54"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransPort.2097156 = STRING: "Te 1/1"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransPort.2097284 = STRING: "Te 1/2"
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransPort.2105861 = STRING: "Fo 1/54"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransOpticsPresent.2097156 = INTEGER: true(1)
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransOpticsPresent.2097284 = INTEGER: true(1)
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransOpticsPresent.2105861 = INTEGER: true(1)
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransOpticsType.2097156 = STRING: "10GBASE-SR"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransOpticsType.2097284 = STRING: "10GBASE-SR"
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransOpticsType.2105861 = STRING: "40GBASE-CR4-0.5M"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransVendorName.2097156 = STRING: "DELL"
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransVendorName.2097284 = STRING: "DELL"
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransTransmitPowerLane1.2097156 = STRING: "-2.307704" dBm
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransTransmitPowerLane1.2097284 = STRING: "-2.351516" dBm
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransReceivePowerLane1.2097156 = STRING: "-3.226669" dBm
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransReceivePowerLane1.2097284 = STRING: "-3.154239" dBm
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransTemperature.2097156 = STRING: "35.566406" degree Celsius
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransTemperature.2097284 = STRING: "34.886719" degree Celsius
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransVoltage.2097156 = STRING: "3.307200" volts
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransVoltage.2097284 = STRING: "3.318100" volts
<snipped for brevity>
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransTransmitBiasCurrentLane1.2097156 = STRING: "6.540000" mA
DELL-NETWORKING-IF-EXTENSION-MIB::dellNetIfTransTransmitBiasCurrentLane1.2097284 = STRING: "6.542000" mA
<snipped for brevity>

(Imported from https://github.com/librenms/librenms/issues/9603, Original request by: @t0i)