@virot How strange, I don't have similar problems with my SG2210P. Does this problem only occur on is it on SG2210P V5, as my switch is V3. So when you tried adopting the SG2210P V5 and the firmware...

@Williamyu52 The EAPs in the picture are not powered up, if the light was on at the beginning, the cable between the EAP and the front-end device may be loose, suggest checking the physical...

@Pams What is the version of your controller? Try to upgrade the version to Omada_SDN_Controller_V5.5.6_Windows....

@vlada87 When setting up, did you make sure that the proposals selected in both sides of Advance corresponded to each other? IPsec VPN requires the same settings on both sides to be successful, so...

@atc Have you checked this post: https://community.tp-link.com/en/business/forum/topic/559150 Make sure that all opening port entries are set on the controller side, i.e. ER7206, and that they are...

@btx I am not on site at the moment to provide a screenshot, but once I used ER7206 as Server, ER605 as Client, also L2TP unencrypted VPN, Iperf speed test results can run up to 700M+, which means...