Allied Telesis AT-DC2552XS User Manual

Page 336

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Chapter 14: STP Commands

336

Section II: Layer 2 Switching

“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

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