Allied Telesis AT-S94 - Manual (Page 141)

Configuring Spanning Tree
Configuring Rapid Spanning Tree
Page 141
• Mode — Displays the current STP mode. The STP mode is selected in the Spanning Tree Page.
The possible field values are:
– STP — Classic STP is enabled on the device.
– Rapid STP — Rapid STP is enabled on the device.
• Fast Link Operational Status — Indicates whether Fast Link is enabled or disabled for the port or trunk.
If Fast Link is enabled for a port, the port is automatically placed in the forwarding state.
• Point-to-Point Admin Status — Indicates whether a point-to-point link is established on the port. Ports
defined as Full Duplex are considered Point-to-Point port links. The possible field values are:
– Enable — Enables the device to establish point-to-point links.
– Disable — Device establishes shared, half duplex links.
– Auto — Device automatically determines the state.
• Point-to-Point Operational Status — Displays the point-to-point operating state.
• Activate Protocol Migration Test — Select to run a Protocol Migration Test. The test identifies the STP
mode of the interface connected to the selected interface.
– Checked — Runs a Protocol Migration Test on the interface after the user clicks the Apply button.
– Unchecked — Does not run a Protocol Migration Test.
2. Click Modify. The Modify RSTP Page opens:
Figure 93: Modify RSTP Page
In addition to the RSTP Page, the Modify RSTP Page contains the following fields:
• Port State — Displays the current STP state of a port. If STP is enabled, the port state determines what
action is taken on traffic. Possible port states are:
– Forwarding — Indicates that the port forwards packets.
– Blocking — Indicates that the port is currently blocked and cannot forward traffic or learn MAC
addresses.
– Listening — Indicates that the port is currently in the listening mode. The interface cannot forward traffic
nor can it learn MAC addresses.