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MikroTik 10Gb switch disconnecting with 10GBASE-T SFP+ to RJ45
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I recently acquired a MikroTik CRS305-1G-4S (4 port SFP switch) and 2 10GBASE-T SFP to RJ45 transceivers (Those ones exactly) to plug into the switch and my ASUS Aquantia 10G network card

And after plugging in my 25ish meter CAT6 Cable into both sides I get a link for about 5 minutes and all seems well and works flawlessly for about 2 minutes and then the following starts to happen

  • after running a constant ping to 1.1.1.1 about every 30 seconds or so I get "Request timed out" once or twice then it recovers (During which I have no internet just to clarify)

Then after almost exactly 5 minutes from me inserting the transceiver I drop all connection to my LAN and the internet and upon unplugging the transceiver it is WAY too hot (I understand they can get hot sometimes but this was like I could not hold it in my fingers for longer than a couple of seconds without burning them)

Any ideas on what is going on here?

Could it be a bad transceiver(s)?

Could it be a bad switch?

Could my CAT6 run be too long for this 30m transceiver(s)?

Are the transceivers too high power for this switch?

(yes I know CAT6a would be best for long distance 10G networking but it will have to do for now)

Troubleshooting steps I have taken so far:

  1. Switching which transceiver is plugged into what
  2. Trying different ports on the switch
  3. Using POE as power for the switch and not the power supply
  4. Testing my CAT6 cable and verifying its connection

Thanks for your help in advance!

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3 years ago