Guest

Preview Tool

Cisco Bug: CSCvs89602 - transceiver detail shows TX power value when using CISCO-FINISAR even port is admin-shut

Last Modified

Feb 26, 2020

Products (1)

  • Cisco Nexus 3000 Series Switches

Known Affected Releases

9.2(1)

Description (partial)

Symptom:
# show interface transceiver detail
...
           SFP Detail Diagnostics Information (internal calibration)
  ----------------------------------------------------------------------------
                Current              Alarms                  Warnings
                Measurement     High        Low         High          Low
  ----------------------------------------------------------------------------
  Temperature   38.88 C        75.00 C     -5.00 C     70.00 C        0.00 C
  Voltage        3.28 V         3.63 V      2.97 V      3.46 V        3.13 V
  Current        8.16 mA       11.80 mA     4.00 mA    10.80 mA       5.00 mA
  Tx Power      -2.52 dBm       1.69 dBm  -11.30 dBm   -1.30 dBm     -7.30 dBm
  Rx Power     -30.00 dBm --    1.99 dBm  -13.97 dBm   -1.00 dBm     -9.91 dBm
  Transmit Fault Count = 0

switch# show module
Mod Ports             Module-Type                       Model          Status
--- ----- ------------------------------------- --------------------- ---------
1    34   32x40/100G QSFP28 2x10G SFP+ Ethernet N3K-C3232C            active *

Mod  Sw                       Hw    Slot
---  ----------------------- ------ ----
1    9.2(1)                   1.2    NA


>>>>>But no Tx power when we using CISCO-AVAGO 10Gbase-SR<<<<<<

Ethernet1/47
    transceiver is present
    type is 10Gbase-SR
    name is CISCO-AVAGO     
    part number is SFBR-709SMZ-CS1 
    revision is G4.1
    serial number is AVD2035A66E  
  Tx Power          N/A         1.69 dBm  -11.30 dBm   -1.30 dBm     -7.30 dBm
  Rx Power          N/A         1.99 dBm  -13.97 dBm   -1.00 dBm     -9.91 dBm

Conditions:
using CISCO-FINISAR 10Gbase-SR
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.