Description
This article describes that on the FortiGate switch controller section, log entries with msg="error:0A000126:SSL routines::unexpected eof while reading -- " can be observed after the upgrade to v7.4.0.
Scope
FortiGate switch controller for all versions and platforms.
FortiSwtich v7.4.X.
Solution
After updating any FortiSwitch to 7.4.0, this kind of message starts to be observed on FortiGate switch controller logs referred to those units:
date=2023-12-05 time=10:06:48 eventtime=1701781607685451027 tz="-0300" logid="0115032699" type="event" subtype="switch-controller" level="notice" vd="root" logdesc="FortiSwitch system" user="Fortilink" sn="SXXXXXXXX" name="Switch_5" msg="error:0A000126:SSL routines::unexpected eof while reading -- "
Ignore this kind of message, it means a nongraceful FortiGate disconnection after an API request to FortiSwitch. Those will be logged regularly (2-3 hours).
It will not be necessary to contact TAC support.
