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Cisco Bug: CSCvi19242 - Alarm Thresholds showing a lot of zero values on 10G or 100G interfaces

Last Modified

Sep 16, 2019

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

6.2.25.BASE

Description (partial)

Symptom:
Showing a lot of zero values on Alarm Thresholds
====================================
RP/0/RP0/CPU0:NCS-5501-A#sh control tenGigE0/0/0/10 all
Tue Feb 27 10:54:33.145 PST
Operational data for interface TenGigE0/0/0/10:

State:
    Administrative state: enabled
    Operational state: Up
    LED state: Green On

Phy:
    Media type: R fiber over 1310nm optics
    Optics:
        Vendor: CISCO-SUMITOMO
        Part number: SPP5200LR-C6
        Serial number: SPC1820084Y
        Wavelength: 1310 nm
    Digital Optical Monitoring:
        Transceiver Temp: 39.000 C
        Transceiver Voltage: 3.310 V

        Alarms key: (H) Alarm high, (h) Warning high
                    (L) Alarm low, (l) Warning low
           Wavelength    Tx Power          Rx Power      Laser Bias
        Lane  (nm)    (dBm)    (mW)     (dBm)     (mW)      (mA)
        --   -----   ------   ------    ------   ------    ------
        0     n/a     -2.9   0.5129     -3.5   0.4440     49.144
        1     n/a     0.0   1.0000     0.0   1.0000     0.000
        2     n/a     0.0   1.0000     0.0   1.0000     0.000
        3     n/a     0.0   1.0000     0.0   1.0000     0.000

        DOM alarms:
            No alarms

        Alarm                     Alarm    Warning   Warning    Alarm
        Thresholds                High      High       Low       Low
                                 -------   -------   -------   -------
        Transceiver Temp (C):     75.000     0.000     0.000    -5.000
        Transceiver Voltage (V):   3.630     0.000     0.000     2.970
        Laser Bias (mA):             n/a       n/a       n/a       n/a
        Transmit Power (mW):       2.238     0.000     0.000     0.060
        Transmit Power (dBm):      3.499      -inf      -inf   -12.218
        Receive Power (mW):        2.238     0.000     0.000     0.014
        Receive Power (dBm):       3.499      -inf      -inf   -18.539

Conditions:
Normal condition
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