Spanning Tree
MSTP Interface Settings
235 Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x
12
- If the link partner is using STP, the displayed port mode is STP.
• Type—Displays the MST type of the port.
- Boundary—A Boundary port attaches MST bridges to a LAN in a remote region. If 
the port is a boundary port, it also indicates whether the device on the other side of 
the link is working in RSTP or STP mode.
- Internal—The port is an internal port.
• Designated Bridge ID—Displays the ID number of the bridge that connects the link or 
shared LAN to the root.
• Designated Port ID—Displays the Port ID number on the designated bridge that 
connects the link or the shared LAN to the root.
• Designated Cost—Displays the cost of the port participating in the STP topology. Ports 
with a lower cost are less likely to be blocked if STP detects loops.
• Remain Hops—Displays the hops remaining to the next destination.
• Forward Transitions—Displays the number of times the port has changed from the 
Forwarding state to the Blocking state.
STEP  6 Click Apply. The Running Configuration file is updated.