Connectrix MDS: M3: EOBC heartbeat failure in device DEV_EOBC_MAC
Summary: M3 line card may be reset after system reports EOBC heartbeat failure:
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Symptoms
M3 line card may be reset after system reports EOBC heartbeat failure: --- snip ---
%MODULE-4-MOD_WARNING: Module X (Serial number: DUMMYNUMBER) reported warning X/1-X/0 due to EOBC heartbeat failure in device DEV_EOBC_MAC (device error 0xc0a0614f)
%MODULE-4-MOD_WARNING: Module X (Serial number: DUMMYNUMBER) reported warning X/1-X/0 due to EOBC heartbeat failure in device DEV_EOBC_MAC (device error 0xc0a0614d)
%MODULE-2-MOD_NOT_ALIVE: Module X not responding... resetting (Serial number: DUMMYNUMBER)
--- snip ---
Cause
Conditions:
The particular trigger is not known, though the issue should be conditioned as exceptionally rare.
The particular trigger is not known, though the issue should be conditioned as exceptionally rare.
Resolution
Workaround:
Line card come online after reload. No particular workaround proposed.
Line card come online after reload. No particular workaround proposed.
Additional Information
Some EOBC heartbeat loss was seen due to which LC got rebooted and came back online. The reason for heartbeat loss is not known, though this is extremely rare.
Affected Products
Connectrix MDS-9250i, Connectrix MDS-9710Article Properties
Article Number: 000185923
Article Type: Solution
Last Modified: 29 Aug 2025
Version: 5
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