Sir,
I am using 2 numbers of sg 550 as core switch and sg 350 as client switches in different floor.. here 2 core switch is used as redundancy.. the core switch is placed in first floor have 4 access switch. The second floor have 2 access switch. And third floor has 3 access switch.. Here we did not consider distribution switch.. is this design has any problem.. is sg 550 has any redundancy port ?..please check diagram
