9 Rapid Spanning Tree Protocol (RSTP)
50
YASKAWA
SIEP C730600 0E YAI Modbus TCP/IP Technical Manual
Monitor
Value
U6-82
1
U6-83
20
2.
Enter the IP address to address bar of your web browser (Ex. http://192.168.1.20) and press the Enter
key.
The Home page will be loaded. Refer to
for more information about the Home page.
3.
Click [Ring] tab on top of the webpage.
The Ring page is displayed with the [Ring Protocol] label in the [RSTP] field set to [DISABLED].
4.
After changing the setting value of the [Ring Protocol] label to [ENABLED], click [Save Changes].
The Ring page is automatically updated and RSTP is enabled.
Figure 9.1 Ring Page View
◆
RSTP Monitor U6-96
Monitor
U6-96
is dedicated to RSTP. Shows the role and state for each port.
The displayed value has four digits. The first two digits belong to port 1 and the last two digits belong to port 2.
The first and third digits represent port role while the second and fourth digits represent port state.
The possible port role and state values are shown in
.
Figure 9.2 U6-96 Monitor Values
Refer to
for descriptions of the port role values.
Refer to
for descriptions of the port state values.
Below are a few examples:
•
9292 = RSTP is disabled and both ports are forwarding.
•
3222 = Port 1 is forwarding and is the designated port. Port 2 is forwarding and is the root port.
•
2232 = Port 1 is forwarding and is the root port. Port 2 is forwarding and is the designated port.
•
3232 = Both ports are forwarding and are designated ports. This only occurs when the option is the root bridge.
•
4022 = Port 1 is discarding and is the alternate port. Port 2 is forwarding and is the root port.
•
2260 = Port 1 is forwarding and is the root port. Port 2 is discarding and is the disabled port.