beautypg.com

Spanning-tree port-priority, Spanning-tree portfast, Spanning-tree port-priority spanning-tree portfast – Allied Telesis AT-S95 CLI User Manual

Page 225

background image

Spanning-Tree Commands

Page 213

spanning-tree port-priority

The spanning-tree port-priority Interface Configuration mode command configures port priority. Use the no form
of this command to return to the default configuration.

Syntax

spanning-tree port-priority priority

no spanning-tree port-priority

Parameters

priority — The priority of the port. (Range: 0 - 240 in multiples of 16)

Default Configuration

The default port priority for IEEE Spanning TreeProtocol (STP) is 128.

Command Modes

Interface Configuration (Ethernet, port-channel) mode

User Guidelines

There are no user guidelines for this command.

Example

The following example configures the spanning priority on Ethernet port 1/g15 to 96.

spanning-tree portfast

The spanning-tree portfast Interface Configuration mode command enables PortFast mode. In PortFast mode,
the interface is immediately put into the forwarding state upon linkup without waiting for the standard forward time
delay. Use the no form of this command to disable PortFast mode.

Syntax

spanning-tree portfast

no spanning-tree portfast

Default Configuration

PortFast mode is disabled.

Command Modes

Interface Configuration (Ethernet, port-channel) mode

User Guidelines

This feature should be used only with interfaces connected to end stations. Otherwise, an accidental topology loop
could cause a data packet loop and disrupt device and network operations.

Console(config)# interface ethernet 1/g15
Console(config-if)# spanning-tree port-priority 96