Cisco Small Business 200 Series Administration Manual page 204

Spanning Tree
Rapid Spanning Tree Settings
Auto
- —Automatically determines the device status by using RSTP BPDUs.
• Point to Point Operational Status—Displays the Point-to-Point operational status if the Point to Point
Administrative Status is set to Auto.
• Role—Displays the role of the port that was assigned by STP to provide STP paths. The possible
roles are:
Root
- —Lowest cost path to forward packets to the Root Bridge.
Designated
-
lowest cost path from the LAN to the Root Bridge.
Alternate
- —Provides an alternate path to the Root Bridge from the root interface.
Backup
- —Provides a backup path to the designated port path toward the Spanning Tree leaves.
This provides a configuration in which two ports are connected in a loop by a point-to-point link.
Backup ports are also used when a LAN has two or more established connections to a shared
segment.
Disabled
- —The port is not participating in Spanning Tree.
• Mode—Displays the current Spanning Tree mode: Classic STP or RSTP.
• Fast Link Operational Status—Displays whether the Fast Link (Edge Port) is enabled, disabled, or
automatic for the interface. The values are:
Enabled
- —Fast Link is enabled.
Disabled
- —Fast Link is disabled.
- Auto —Fast Link mode is enabled a few seconds after the interface becomes active.
• Port Status—Displays the RSTP status on the specific port.
Disabled
- —STP is currently disabled on the port.
- Blocking —The port is currently blocked, and it cannot forward traffic or learn MAC addresses.
Listening
- —The port is in Listening mode. The port cannot forward traffic, and cannot learn MAC
addresses.
Learning
- —The port is in Learning mode. The port cannot forward traffic, however it can learn new
MAC addresses.
Forwarding
-
addresses.
Cisco Small Business 200 Series Smart Switch Administration Guide
—The interface through which the bridge is connected to the LAN, which provides the
—The port is in Forwarding mode. The port can forward traffic and learn new MAC
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