User Manual
Table Of Contents
- Contents
- Figures
- Tables
- Preface
- Section I
- Basic Operations
- Chapter 1
- Basic Switch Parameters
- Chapter 2
- Port Parameters
- Chapter 3
- SNMPv1 and SNMPv2c
- Chapter 4
- MAC Address Table
- Chapter 5
- Static Port Trunks
- Chapter 6
- Port Mirroring
- Section II
- Advanced Operations
- Chapter 7
- File System
- Chapter 8
- File Downloads and Uploads
- Chapter 9
- Event Logs and the Syslog Client
- Chapter 10
- IGMP Snooping
- Section III
- SNMPv3
- Chapter 11
- SNMPv3
- Configuring the SNMPv3 Protocol
- Enabling or Disabling SNMP Management
- Configuring the SNMPv3 User Table
- Configuring the SNMPv3 View Table
- Configuring the SNMPv3 Access Table
- Configuring the SNMPv3 SecurityToGroup Table
- Configuring the SNMPv3 Notify Table
- Configuring the SNMPv3 Target Address Table
- Configuring the SNMPv3 Target Parameters Table
- Configuring the SNMPv3 Community Table
- Displaying the SNMPv3 Tables
- Displaying the User Table Entries
- Displaying the View Table Entries
- Displaying the Access Table Entries
- Displaying the SecurityToGroup Table Entries
- Displaying the Notify Table Entries
- Displaying the Target Address Table Entries
- Displaying the Target Parameters Table Entries
- Displaying the SNMPv3 Community Table Entries
- Section IV
- Spanning Tree Protocols
- Chapter 12
- Spanning Tree and Rapid Spanning Tree Protocols
- Section V
- Virtual LANs
- Chapter 13
- Port-based and Tagged VLANs
- Section VI
- Port Security
- Chapter 14
- 802.1x Port-based Network Access Control
- Index

AT-S63 Management Software Web Browser User’s Guide
Section IV: Spanning Tree Protocols 203
Figure 79. RSTP Port Status Window
The columns in the RSTP Port Status window are described here.
Table 37. RSTP Port Status Window
Column Definition
Port Displays the port number.
State Displays the RSTP state of the port. The
possible states for a port connected to
another device running RSTP are
Discarding and Forwarding.
The possible states for a port connected
to a device running STP are Listening,
Learning, Forwarding, and Blocking.
The possible states for a port not being
used or where spanning tree is not
activated is Disabled.
Role Displays the RSTP role of the port.
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.
Backup - The port on a designated switch
that provides a backup for the path
provided by the designated port.
Designated - The port on the designated
switch for a LAN that has the least cost
path to the root switch. This port connects
the LAN to the root switch.