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SwitchIslIfDownWarn_Alert reported on MetroCluster IP

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Applies to

  • MetroCluster IP
  • Cisco N9K-C9336C-FX2

Issue

  • system health alert show report one ISL as down SwitchIslIfDownWarn_Alert
  • Cisco Switch reports ISL port as down Ethernet1/16 is down (Link not connected)
  • Installed QSFP reports high electric current, low TX power and no RX Power

    Lane Number:1 Network Lane
               SFP Detail Diagnostics Information (internal calibration)
      ----------------------------------------------------------------------------
                    Current              Alarms                  Warnings
                    Measurement     High        Low         High          Low
      ----------------------------------------------------------------------------
      Temperature   51.30 C        75.00 C     -5.00 C     70.00 C        0.00 C
      Voltage        3.19 V         3.63 V      2.97 V      3.46 V        3.13 V
      Current      100.00 mA   +  100.00 mA     8.00 mA    83.00 mA      10.00 mA
      Tx Power      -5.67 dBm  -    7.79 dBm   -6.00 dBm    4.80 dBm     -1.99 dBm
      Rx Power          N/A         7.79 dBm  -12.36 dBm    4.80 dBm     -8.32 dBm
      Transmit Fault Count = 0
      ----------------------------------------------------------------------------
      Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

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