Allied Telesis AT-DC2552XS User Manual
Page 336

Chapter 14: STP Commands
336
“SPANNING-TREE FORWARD-TIME”
on page 364
Global
Configuration
Sets the forward time, which specifies
how long the ports remain in the
listening and learning states before
they transition to the forwarding state.
“SPANNING-TREE HELLO-TIME” on
page 365
Global
Configuration
Sets the hello time, which defines how
frequently the switch sends BPDUs.
“SPANNING-TREE LINK-TYPE” on
page 366
Port Interface
Specifies the link type to a port, point-
to-point or shared.
“SPANNING-TREE LOOP-GUARD”
on page 367
Port Interface
Enables the BPDU loop-guard feature
on the ports.
“SPANNING-TREE MAX-AGE” on
page 368
Global
Configuration
Sets the maximum age value, which
defines how long the switch saves
configuration BPDU information
before they are deleted.
“SPANNING-TREE MAX-HOPS” on
page 369
Global
Configuration
Sets the maximum number of hops.
“SPANNING-TREE MODE” on
page 370
Global
Configuration
Designates STP, RSTP, or MSTP as
the active spanning tree protocol on
the switch.
“SPANNING-TREE MST
CONFIGURATION” on page 371
Global
Configuration
Enters the MST Configuration mode.
“SPANNING-TREE MST INSTANCE”
on page 372
Port Interface
Associates an MST instance with
ports.
“SPANNING-TREE MST INSTANCE
PATH-COST” on page 374
Port Interface
Specifies the cost of a port to the root
bridge.
“SPANNING-TREE MST INSTANCE
PRIORITY” on page 375
Port Interface
Assigns a port priority to a port for the
specified MST instance.
“SPANNING-TREE PATH-COST” on
page 376
Port Interface
Specifies the cost of a port to the root
bridge.
“SPANNING-TREE PORTFAST” on
page 378
Port Interface
Designates the ports as edge ports.
“SPANNING-TREE PORTFAST
BPDU-GUARD (SWITCH)” on
page 379
Global
Configuration
Enables the Root Guard feature on
the switch.
“SPANNING-TREE PORTFAST
BPDU-GUARD (PORT)” on page 381
Port Interface
Enables the Root Guard feature on a
port.
Table 57. Spanning Tree Protocol Commands (Continued)
Command
Mode
Description