on 01-11-2021 09:50
I am now using this in the WAN SPF+ socket.
QSFPTEK 10G SFP+ RJ45 Copper Module 10GBASE-T Transceiver Mini-Gbic Transceiver for Cisco S...
Works fine with the Hub4, it can auto negotiate either 1G, 2.5G or 10G. I'm now already for the Hub5.
on 01-11-2021 18:34
One point to note is if you have any port forwardings on WAN, you need to change them to WAN2 or Both.