Thanks mkx! I was thinking the same thing. I started adding BPDU Guard on all ports. I hadn't noticed the edge port setting. Do you know if there's much of a difference? If so, what would you recommend and why? I set my root bridge to 4000 before I saw your response and go up to 5000, 6000 and 7000 ...

I'm looking after a network that went all-in on MikroTik (why wouldn't you). The core switches are CRS518-16XS-2XQs and my client access switches are CRS354-48P-4S+2Q+. Here's a diagram of how everything is linked together: topology.png I have a dude server and I'm using it to collect syslogs. I col...