Configuring Spanning Tree
Configuring Rapid Spanning Tree
Page 140
•
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 94: 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.