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ISL down due to high TX power

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137
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0
Category:
ontap-9
Specialty:
hw
Last Updated:

Applies to

  • ONTAP 9
  • N9K-9336C

Issue

  • HA Group Notification (Health Monitor process cshm: ClusterIfIslDownWarn_Alert)/Ethernet1/35]) ALERT showing in autosupports
  • High SFP power statistics causes ISL link down

Eth1/35         1       eth  trunk  down    Link not connected       auto(D) 1
Eth1/36         1       eth  trunk  up      none                     100G(D) 1

Switch#1

Lane Number:1 Network Lane
           SFP Detail Diagnostics Information (internal calibration)
  ----------------------------------------------------------------------------
                Current              Alarms                  Warnings
                Measurement     High        Low         High          Low
  ----------------------------------------------------------------------------
  Temperature   32.33 C        75.00 C     -5.00 C     70.00 C        0.00 C
  Voltage        3.27 V         3.63 V      2.97 V      3.46 V        3.13 V
  Current        8.40 mA       13.00 mA     3.00 mA    11.00 mA       5.00 mA
  Tx Power      -0.83 dBm       4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
  Rx Power          N/A         3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
  Transmit Fault Count = 0
  ----------------------------------------------------------------------------
  Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Lane Number:2 Network Lane
           SFP Detail Diagnostics Information (internal calibration)
  ----------------------------------------------------------------------------
                Current              Alarms                  Warnings
                Measurement     High        Low         High          Low
  ----------------------------------------------------------------------------
  Temperature   32.33 C        75.00 C     -5.00 C     70.00 C        0.00 C
  Voltage        3.27 V         3.63 V      2.97 V      3.46 V        3.13 V
  Current        8.40 mA       13.00 mA     3.00 mA    11.00 mA       5.00 mA
  Tx Power      -0.83 dBm       4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
  Rx Power          N/A         3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
  Transmit Fault Count = 0
  ----------------------------------------------------------------------------
  Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Lane Number:3 Network Lane
           SFP Detail Diagnostics Information (internal calibration)
  ----------------------------------------------------------------------------
                Current              Alarms                  Warnings
                Measurement     High        Low         High          Low
  ----------------------------------------------------------------------------
  Temperature   32.33 C        75.00 C     -5.00 C     70.00 C        0.00 C
  Voltage        3.27 V         3.63 V      2.97 V      3.46 V        3.13 V
  Current        8.33 mA       13.00 mA     3.00 mA    11.00 mA       5.00 mA
  Tx Power      -0.87 dBm       4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
  Rx Power          N/A         3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
  Transmit Fault Count = 0
  ----------------------------------------------------------------------------
  Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Lane Number:4 Network Lane
           SFP Detail Diagnostics Information (internal calibration)
  ----------------------------------------------------------------------------
                Current              Alarms                  Warnings
                Measurement     High        Low         High          Low
  ----------------------------------------------------------------------------
  Temperature   32.33 C        75.00 C     -5.00 C     70.00 C        0.00 C
  Voltage        3.27 V         3.63 V      2.97 V      3.46 V        3.13 V
  Current        8.40 mA       13.00 mA     3.00 mA    11.00 mA       5.00 mA
  Tx Power      -0.83 dBm       4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
  Rx Power          N/A         3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
  Transmit Fault Count = 0
  ----------------------------------------------------------------------------
  Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Switch#2

Lane Number:1 Network Lane
SFP Detail Diagnostics Information (internal calibration)
----------------------------------------------------------------------------
Current              Alarms                  Warnings
Measurement     High        Low         High          Low
----------------------------------------------------------------------------
Temperature   31.99 C        75.00 C     -5.00 C     70.00 C        0.00 C
Voltage        3.30 V         3.63 V      2.97 V      3.46 V        3.13 V
Current      131.07 mA  ++   13.00 mA     3.00 mA    11.00 mA       5.00 mA
Tx Power       8.16 dBm ++    4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
Rx Power      -1.15 dBm       3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
Transmit Fault Count = 0
----------------------------------------------------------------------------
Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Lane Number:2 Network Lane
SFP Detail Diagnostics Information (internal calibration)
----------------------------------------------------------------------------
Current              Alarms                  Warnings
Measurement     High        Low         High          Low
----------------------------------------------------------------------------
Temperature   31.99 C        75.00 C     -5.00 C     70.00 C        0.00 C
Voltage        3.30 V         3.63 V      2.97 V      3.46 V        3.13 V
Current      131.07 mA  ++   13.00 mA     3.00 mA    11.00 mA       5.00 mA
Tx Power       8.16 dBm ++    4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
Rx Power       8.16 dBm ++    3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
Transmit Fault Count = 0
----------------------------------------------------------------------------
Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Lane Number:3 Network Lane
SFP Detail Diagnostics Information (internal calibration)
----------------------------------------------------------------------------
Current              Alarms                  Warnings
Measurement     High        Low         High          Low
----------------------------------------------------------------------------
Temperature   31.99 C        75.00 C     -5.00 C     70.00 C        0.00 C
Voltage        3.30 V         3.63 V      2.97 V      3.46 V        3.13 V
Current      131.07 mA  ++   13.00 mA     3.00 mA    11.00 mA       5.00 mA
Tx Power       8.16 dBm ++    4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
Rx Power       8.16 dBm ++    3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
Transmit Fault Count = 0
----------------------------------------------------------------------------
Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

Lane Number:4 Network Lane
SFP Detail Diagnostics Information (internal calibration)
----------------------------------------------------------------------------
Current              Alarms                  Warnings
Measurement     High        Low         High          Low
----------------------------------------------------------------------------
Temperature   31.99 C        75.00 C     -5.00 C     70.00 C        0.00 C
Voltage        3.30 V         3.63 V      2.97 V      3.46 V        3.13 V
Current      131.07 mA  ++   13.00 mA     3.00 mA    11.00 mA       5.00 mA
Tx Power       8.16 dBm ++    4.99 dBm  -10.00 dBm    2.99 dBm     -8.01 dBm
Rx Power       8.16 dBm ++    3.39 dBm  -14.08 dBm    2.39 dBm    -11.02 dBm
Transmit Fault Count = 0
----------------------------------------------------------------------------
Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

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