Is there any way within LEDE/LuCi to determine the link speed on a given ethernet port (ie 100M/1000M)? I noticed today that my ethernet switch determined that one of my connections (from my main router, a DLink DIR860L B1)was running at 100M, but I had no way to determine that from LEDE on that device.
A reboot did fix the issue.
If the port goes through a switch, the switch config page or swconfig show on the command line. There may not be a way on direct CPU ports.
I actually realized that it was my LuCi theme that wasn't showing me port status.
Material theme does not show this, but Luci's default, which is Bootstrap does show the 10/100/1000M port status on the switch config page.