ISL down due to high TX power

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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