on 15-10-2021 11:11
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Answered! Go to Answer
on 15-10-2021 11:33
Could be a faulty hub, but at 80-90 Mbps immediate suspicion falls on the ethernet cables (or any switch you might have). When connecting to a device and assigning an IP address, the Ethernet protocols the hub uses negotiate with the device, if the responses indicate any issues it will drop back from a 1000 Mbps connection to a 100 Mbps speed. Sometimes reseating the connectors helps, sometimes it's a dubious quality cable, or ageing/wear of the cable and connectors. Try a different cable and see if that helps. If you decide to buy a new cable, buy Cat 6a or higher.
If the replacement cable is the same, and different ethernet devices have the same issue, that points to a hub fault.
on 15-10-2021 11:33
Could be a faulty hub, but at 80-90 Mbps immediate suspicion falls on the ethernet cables (or any switch you might have). When connecting to a device and assigning an IP address, the Ethernet protocols the hub uses negotiate with the device, if the responses indicate any issues it will drop back from a 1000 Mbps connection to a 100 Mbps speed. Sometimes reseating the connectors helps, sometimes it's a dubious quality cable, or ageing/wear of the cable and connectors. Try a different cable and see if that helps. If you decide to buy a new cable, buy Cat 6a or higher.
If the replacement cable is the same, and different ethernet devices have the same issue, that points to a hub fault.
on 15-10-2021 13:09
on 15-10-2021 14:16