Allied Telesis AT-S63 - Manual (Page 464)

Chapter 23: Multiple Spanning Tree Protocol
464 Section V: Spanning Tree Protocols
The Display MSTP Port State menu is shown in Figure 169.
Figure 169. Display MSTP Port State Menu
The MSTP Port State menu displays a table that contains the following
columns of information:
Port
The port number.
State
The MSTP state of the port. The possible states are:
Discarding - The port is discarding received packets and is not
submitting forwarded packets for transmission.
Learning - The port is learning the MAC address from the received
packet, but does not process or forward the packet.
Forwarding - Normal operation.
Disabled - The port has been disabled.
Role
The MSTP role of the port. The possible roles are:
Root - The port that is connected to the root switch, directly or through
other switches, with the least path cost.
Alternate - The port offers an alternate path in the direction of the root
switch.
Allied Telesis AT-9424T/SP - AT-S63
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User: Manager 11:20:02 02-Mar-2009
Display MSTP Port State
Spanning Tree Instance: 0 (CIST)
Port State
Role P2P Version Internal Port-Cost
--------------------------------------------------------------
1 Forwarding Root Yes MSTP 200000
2 Disabled
3 Discarding Alternate Yes MSTP 200000
4 Discarding Alternate Yes MSTP 200000
5 Disabled
6 Disabled
7 Forwarding Designated Yes MSTP 200000
8 Disabled
N - Next Page
U - Update Display
R - Return to Previous Menu
Enter your selection?