Dell PowerConnect 5424 Command Line Interface Guide

Spanning-Tree Commands 353
User Guidelines
• There are no user guidelines for this command.
Example
The following example configures the spanning priority on g5 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
timer to expire. 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 switch and network operations.
Example
The following example enables PortFast on g5.
Console(config)# interface ethernet g5
Console(config-if)# spanning-tree port-priority 96
Console(config)# interface ethernet g5
Console(config-if)# spanning-tree portfast
5400_CLI.book Page 353 Wednesday, December 17, 2008 4:33 PM

Dell PowerConnect 5424 Specifications

General

Ports	24 x 10/100/1000Base-T
Switching Capacity	48 Gbps
Forwarding Rate	35.7 Mpps
VLAN Support	Yes
Rack Mountable	Yes
Power Supply	Internal
MAC Address Table Size	8K entries
RAM	128 MB
Flash Memory	16 MB
Voltage Required	100-240V AC
Management	Web, CLI, SNMP
Operating Temperature	0°C to 45°C
Storage Temperature	-20°C to 70°C
Humidity	10% to 90% (non-condensing)
Standards Compliance	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Remote Management Protocol	SNMP, RMON, Telnet
Features	QoS, VLAN, Link Aggregation