mparka 
Freshman Member
評論
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Thank you very much.
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Thank you @Zyxel_Melen - I will wait for a solution/suggestion if any appears from Zyxel team.
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I had the same issue but with XGS1210-12. My solution was to change 10G port to "Flow Control = enabled". It helped.
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Please try to set Flow Control as enabled only for port 11, then only for port 12 and then for both ports 11 and 12. I have noticed that it matters when I am using SFP+ BASE-T 10G transeiver, maybe it will matter for your setup. After changing - please check both in and out speeds for your devices.
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Thank you very much for answer and clarification on this topic.
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I had (as I sold them already) exactly the same switch XGS1210-12, exactly the same MikroTik transceivers. And… they worked fine. BTW. Are you using v2 (please look at serial number on the transceivers)? I think I have read, that v1 was having some issues with negotiating speeds like 2.5 or 5gbps. The ones which I have…
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Probably it will not work. Actually I tried it (SFP 2.5 TP-LINK TL-SM410U) on my XGS-1210-12 - it seems that "hardware link" is established (I checked it "on the other side") but switch itself is not able to communicate with the transceiver. Please take a look here: https://community.zyxel.com/en/discussion/comment/39452
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It seems that it is only problem with communication between switch and transceiver. When I connect TL-SM410U and on the endpoint - connect my Windows PC (RTL 8156 USB3 NIC) - I see as following (please note that 2.5 G connection is established, but in the same moment "switch thinks that port 11 is down"): Maybe it will be…
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Hi @Zyxel_Melen, I have tried all the options as given by you. None of them works. For example - this is the situation when port 12 with TL-SM410U was connected to port 10. Remark when refreshing TX (Pkts) for port 10 was increasing, RX (Pkts) was the same all the time. See sequence: My device is OPNsense router with…
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Thanks. Currently my two 2.5 ports are used, 10G SFP+ with S+RJ10 module - working perfectly with all "NBASE-T" protocols (and currently it is in 2.5GBASE-T mode, even if switch is showing 10G). Please note that Mikrotik is using Marvell 88X3310P chip. Maybe incompatibility is caused by some way transceiver is "reported"…
