Wondering if these new beasts are going to expand on stp
Currently my mix of cisco and dell switches talk MSTP, last read of the routeros command it only handles STP..

Per Vlan STP is a great improvement

You realize PVST+ is proprietary to Cisco...right?

You realize PVST+ is proprietary to Cisco...right?

Lucky i said MSTP
http://en.wikipedia.org/wiki/Spanning_Tree_Protocol
Multiple Spanning Tree Protocol

I believe its compatible with STP, but give you blocking on the vlan level and not the port.