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Users who have MAPS (Monitoring and Alerting Policy Suite) enabled will occasionally see the following error reported in the errdump output in the RASlog: 2016/07/20-15:36:04, [MAPS-1004], 11121, SLOT 7 | FID 128, INFO, sw40, SFP 1/27, Condition=ALL_OTHER_ SFP (VOLTAGE<2970), Current Value: [VOLTAGE,0 mVolts], RuleName=fw_def_ALL_OTHER_SFPVOLTAGE_BL_2970, Dashboard Category=Port Health.
You will not always see the above error. The SFP voltage check MAPS rule can be triggered due to the SFP voltage polling commands timing out between the SFP and the CP on the I2C bus. Usually, the next poll will return successfully, and this is why FOS does not automatically disable the port. A MAPS-1004 event in the errdump output can be safely ignored in these instances. Alternatively, when the MAPS-1004 event is accompanied by further evidence of a bad SFP ( e.g., CRC, Enc_In, Enc_Out.... ) replacement of the SFP is justified.
Per Brocade, these events can be ignored. You will not always see the above error. The SFP voltage check MAPS rule can be triggered due to the SFP voltage polling commands timing out between the SFP and the CP on the I2C bus. Usually, the next poll will return successfully, and this is why FOS does not automatically disable the port. A MAPS-1004 event in the errdump output can be safely ignored in these instances. Alternatively, when the MAPS-1004 event is accompanied by further evidence of a bad SFP ( e.g., CRC, Enc_In, Enc_Out.... ) replacement of the SFP is justified.
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