HI i have two created sites in omada oc300 . Both sites is connected through AUTO IPSEC VPN My network is ER605 (1) v 2 ---- Internet ---- ER7206(2)----Omada Controller v5.4.7 Both router is connected

I can't upgrade my TPLink ER605 V2 to the latest firmware 2.1.2 I tried this topic: https://community.tp-link.com/en/business/forum/topic/559150 but nothing works. As advised in the article I configur