Allied Telesis AT-9400, User Manual

Page: 435 / 668

AT-S63 Management Software Menus User’s Guide
Section V: Spanning Tree Protocols 435
Table 10 lists the RSTP port costs with Auto-Detect when a port is part
of a port trunk.
3 - Point-to-Point
This parameter defines whether the port is functioning as a point-to-
point port. The possible settings are Yes, No, and Auto Detect.
4 - Edge Port
This parameter defines whether the port is functioning as an edge port.
The possible settings are Yes and No.
C - Check Migration To RSTP on Selected Ports (MCHECK)
The MCHECK parameter is displayed only when RSTP is enabled.
This parameter resets an RSTP port, allowing it to send RSTP BPDUs.
When an RSTP bridge receives STP BPDUs on an RSTP port, the port
transmits STP BPDUs. The RSTP port continues to transmit STP
BPDUs indefinitely. Type C to reset the MSTP port to transmit RSTP
BPDUs.
9. After making changes, type R until you return to the Main Menu. Then
type S to select Save Configuration Changes.
Displaying the
RSTP Port
Configuration
To display the RSTP port configuration, perform the following procedure:
1. From the Main Menu, type 3 to select Spanning Tree Configuration.
The Spanning Tree Configuration menu is shown in Figure 152 on
page 420.
2. From the Spanning Tree Configuration menu, type 3 to select
Configure Active Protocol.
The RSTP menu is shown in Figure 153 on page 423.
3. From the RSTP menu, type P to select RSTP Port Parameters.
The RSTP Port Parameters menu is shown in Figure 158 on page 433.
4. From the RSTP Port Parameters menu, type 2 to select Display RSTP
Port Configuration.
Table 10. RSTP Auto-Detect Port Trunk Costs
Port Speed Port Cost
10 Mbps 20,000
100 Mbps 20,000
1000 Mbps 2,000