Configuring the Spanning Tree Protocol
Defining MSTP Interface Settings
Cisco Small Business 300 Series Managed Switch Administration Guide 140
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- Boundary Port—A Boundary port attaches MST bridges to a LAN in an
outlying 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.
- Master Port—A Master port provides connectivity from an MSTP region
to the outlying CIST root.
- Internal—The port is an internal port.
• Designated Bridge ID—Displays the bridge ID number 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.
• Remaining 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 5 Click Apply. The switch is updated.
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