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MTGS
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Joined: Fri Jun 26, 2020 6:34 am

CRS305 not negotiating properly

Fri Jun 26, 2020 6:41 am

I have a CAT6 cable plugged into an RJ45 SFP+ transceiver on my CRS305 switch, but I noticed the transfer speed were abysmal. After doing some digging I discovered that the switch was reporting the negotiated speed as 10Gbps even though the client was only 2.5Gbps (also tested on a 1Gbps client). I am on RouterOS v6.45.6. I tried disabling auto-negotation and specified 1Gbps on both switch and client (Windows), but I couldn't establish a link.
Any idea what's going on here? Thanks
 
Zacharias
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Re: CRS305 not negotiating properly

Tue Jun 30, 2020 9:58 am

Is it a Mikrotik SFP Module ?

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