Last Modified: Jul 12, 2025
Affected Product(s):
F5OS Velos
Known Affected Versions:
F5OS-A 1.5.3, F5OS-A 1.8.0, F5OS-C 1.6.2, F5OS-C 1.8.0, F5OS-C 1.8.1
Opened: Apr 22, 2025 Severity: 4-Minor
Stpd and FPGA error logs are observed while doing MSTP configuration. In platform.log: stpd[1]: priority="Err" version=1.0 msgid=0x6102000000000018 msg="Failed to write to cdb" FIELD="MST Instance mst-id" ERRNO=8 ERRNOSTR="badly formatted or nonexistent path". stpd[1]: priority="Err" version=1.0 msgid=0x6102000000000018 msg="Failed to write to cdb" FIELD="MST Instance designated-root-address" ERRNO=8 ERRNOSTR="badly formatted or nonexistent path". stpd[1]: priority="Err" version=1.0 msgid=0x6102000000000018 msg="Failed to write to cdb" FIELD="WriteTenantOperMSTInstance failed" ERRNO=0 ERRNOSTR="Unknown error".
There is no impact on MSTP behavior and convergence.
1. Create VLANs. 2. Attach VLANs to the interfaces. 3. Enable MSTP using webUI. Select Network Settings > STP configuration and select MSTP. 4. Create an instance(1) and attach a VLAN to it (created VLANs). 5. Add the interfaces to instance 1. 6. Delete mstp instance. 7. You will observe errors under platform.log.
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