Allied Telesis AT-DC2552XS - Manual (Page 350)

Chapter 14: STP Commands
350 Section II: Layer 2 Switching
Forward Delay Displays the forward delay time of the root
bridge.
CIST Forward Timer Displays the value of the forward timer.
Msg Age Timer Displays the time that a message from the
root bridge expires.
Hello Timer Displays the value of the hello timer.
topo change timer Displays the time between a topology change
occurred and the time it is recognized.
Version Displays the version of Spanning Tree
Protocol. The options are:
 Spanning Tree Protocol
 Rapid Spanning Tree Protocol
 Multiple Spanning Tree Protocol
portfast configured Displays whether the port is configured as an
edge port.
Current portfast Displays whether the port is active or not
active as an edge port. The options are:
 On
 Off
portfast bpdu-guard Displays the setting of the BPDU guard
feature on the port. The options are:
 Enabled
 Disabled
 Default
Current portfast bpdu-
guard Displays whether the BPDU guard feature is
on or off on the port.
loop guard Displays whether the loop guard feature is on
or off on the port.
Link Type Displays the link type of the port. The options
are:
 auto
 point-to-point
 shared
Table 59. SHOW SPANNING-TREE Command for MSTP (Continued)
Field Description