@Clive_A I can't make it clearer than @TA-C #13 reply : https://community.tp-link.com/en/business/forum/topic/824034?replyId=1568248

No news from TP-Link ? Are we doomed to use 1.2.3 forever ?

Hello, I have my HQ with OC400 controller managing a dozen of distant branches. I recently setup my HQ Wi-Fi with an external portal (hosted on an external webserver). Everything works fine for HQ....

I hear you guys, but I've been running like that for about a year now without trouble before this version.

I've always used [ SFP LAN3 < DAC SFP(+) > SFP ] because it felt more natural than [ SFP+ LAN2 < DAC SFP(+) > SFP ], even though it should adapt anyway. I've read somewhere on the forum about a...

Yeah I know it's strange. The update 1.3.X was applied to 6 of my ER8411 with the exact same setup/config (apart maybe for the SFP+ cable itself, not even sure). 4 are OK, 2 are KO right after the...