Hi all!     Looking for best practices for RSTP at the core switch level.  Is it necessary to have RSTP configured on our uplink/upstream to our WAN?  Should RSTP be enabled on the downstream [trunk] ports from the CORE to our LAN switches throughout the environment?   Quick reference for topology sake: LAN (MR-350s) --> CORE (MS-425s) --> Firewall --> WAN ... View more