@NeilR_M thanks for your help, we do not use STP, VRRP or M-LAG, this is a simple network in an industrial plant, that's why we use industrial models IES 208 and IES210, the connections between the...

@NeilR_M yes, I have LLDP enabled on all devices, but I cannot check the LLDP neighbors on IES208 or IES210 because there is no Network View tab and LLDP, as in the SG3428 switch the Tools tab is...

we have a problem with incorrect placement of clients in the network topology, the switches are placed correctly but the clients are placed in different places, below is one example, 3 clients are...