@Clive_A thanks for the information. This means the firmware of SG3452 V1 is not compatible with the TL-SG3452 V3 / V4? Hardware V3 of TL-SG3452 seems like the same as SG3452 V1. TobiSchu

Hello, I bought a switch T2600G-52TS (TL-SG3452) in hardware version 3.0. On the back of case it shows: T2600G-52TS Ver: 3.0 (TL-SG3452 Ver: 4.0) Now I found this Post in the community and I am...