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Problem Description
When OSN3500 is directly upgraded to 5.21.18.44 from 5.21.12.43 using analog package loading, activation after loading is complete, where SSN1GXCSA activation fails and the single board enters the BIOS state
Alarm messageNone
ProcessingCheck the version of SSN1GXCSA cross board in 5.21.12.43: Base BIOS:2.13, Extended BIOS:2.22, Single Board Software:2.15, FPGA:330.
After R&D analysis, the base BIOS of version 2.13 doesn't support to load SSN1GXCSA version 8.11 software in 5.21.18.44, but supports to load V1R7 or other lower version of cross board software .Instead, it supports loading V1R7 or other lower versions of cross-board software.
To be safe, first upgrade the single board software, extended BIOS and FPGA of the crossover board to version 6.31, 2.31 and 410 (the SSN1GXCSA crossover board supporting version software of V1R7C02B017 (5.21.17.31)), and then upgrade the basic BIOS version to 2.14, and then load the single board software of 8.11, and the upgrade is successful.
After R&D analysis, the base BIOS of version 2.13 doesn't support to load SSN1GXCSA version 8.11 software in 5.21.18.44, but supports to load V1R7 or other lower version of cross board software .Instead, it supports loading V1R7 or other lower versions of cross-board software.
To be safe, first upgrade the single board software, extended BIOS and FPGA of the crossover board to version 6.31, 2.31 and 410 (the SSN1GXCSA crossover board supporting version software of V1R7C02B017 (5.21.17.31)), and then upgrade the basic BIOS version to 2.14, and then load the single board software of 8.11, and the upgrade is successful.
Root CauseThe main reasons for upgrade failure into the BIOS state are:
1, single board hardware problems
2, single board software loading errors
3, single board software itself has errors
4, single board software and the basic BIOS version does not match
1, single board hardware problems
2, single board software loading errors
3, single board software itself has errors
4, single board software and the basic BIOS version does not match
Recommendations and SummaryBefore upgrading to version 5.21.18.44 of the software, it is necessary to confirm that the SSN1GXCSA is currently running the software for the basic BIOS version 2.14 or later
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