Strange problem with my Tl-SG3210, please HELP !

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Strange problem with my Tl-SG3210, please HELP !

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Strange problem with my Tl-SG3210, please HELP !
Strange problem with my Tl-SG3210, please HELP !
2016-12-31 05:44:05
Model : TL-SG3210

Hardware Version : TL-SG3210 1.0

Firmware Version : 1.9.2 Build 20130527 Rel.59782

ISP : irrelevant, but my fiber is 1 Gbps

Folks, i have some problem with my switch, is a TL-SG3210 Firmware Version: 1.9.2 Build 20130527 Rel.59782 Hardware Version: TL-SG3210 1.0 in the following configuration, port 1,2,3 used for my network, there is one unmanaged switch linked to that ports, and port 10 SFP is used by my optical fiber, the switch work very well, but 2 month ago i meet some problems, for unknown reasons,from time to time, ports 1,2,3 change state to down, and after 1 or 2 seconds they change state to up, i dont have any new firmware, and i dont understand what happen, please help me, is my switch almost ready to die?
Thanks very much and really apreciated any help!
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Re:Strange problem with my Tl-SG3210, please HELP !
2016-12-31 20:24:53

karapok wrote

port 1,2,3 used for my network, there is one unmanaged switch linked to that ports


Please be more specific about your network topology. Did you connect all three ports of the TL-SG3210 to three ports of the same unmanaged switch?
༺ 0100 1101 0010 10ཏ1 0010 0110 1010 1110 ༻
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Re:Strange problem with my Tl-SG3210, please HELP !
2017-02-16 15:52:19
I discover a strange thing about this switch, i have a client with a small Zyxel 8 ports switch, when i connect this defective switch the ports vent down, so, i deduct, the problem can be from defective switches or routers, my network topology is now ;
optical fiber on port 10 sfp, one 16 port gigabit switch on port 1, one switch 100 mb in port 3,
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