Alcatel-Lucent ls 6248 User Guide
Command Line Interface
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Default Setting
PortFast mode is disabled.
Command Modes
Interface Configuration (Ethernet, port-channel) mode
Command Usage
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.
Otherwise, an accidental topology loop could cause a data packet loop and
disrupt device and network operations.
An interface with PortFast mode enabled is moved directly to the spanning tree
forwarding state when linkup occurs without waiting the standard forward-time
delay.
forwarding state when linkup occurs without waiting the standard forward-time
delay.
Example
The following example enables PortFast on Ethernet port 1/e15
.
Related Commands
spanning-tree link-type
The
spanning-tree link-type
Interface Configuration mode command overrides the
default link-type setting determined by the duplex mode of the port and enables
Rapid Spanning Tree Protocol (RSTP) transitions to the forwarding state. To return
to the default configuration, use the
Rapid Spanning Tree Protocol (RSTP) transitions to the forwarding state. To return
to the default configuration, use the
no
form of this command.
Syntax
spanning-tree link-type
{
point-to-point
|
shared
}
no spanning-tree spanning-tree link-type
Parameters
•
point-to-point
— Indicates that the port link type is point-to-point.
Console(config)# interface ethernet 1/e15
Console(config-if)# spanning-tree portfast
Console(config-if)# spanning-tree portfast