Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
OL-29704-01
Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
spanning-tree portfast (interface configuration)
Examples This example shows how to enable the Port Fast feature on a port:
Switch(config)# interface gigabitethernet2/0/2
Switch(config-if)# spanning-tree portfast
You can verify your settings by entering the show running-config privileged EXEC command.
Related Commands Command Description
show running-config Displays the operating configuration. For syntax information, use
this link to the Cisco IOS Release 12.2 Command Reference listing
page:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/prod_c
ommand_reference_list.html
Select the Cisco IOS Commands Master List, Release 12.2 to
navigate to the command.
spanning-tree bpdufilter Prevents an interface from sending or receiving bridge protocol data
units (BPDUs).
spanning-tree bpduguard Puts an interface in the error-disabled state when it receives a
BPDU.
spanning-tree portfast (global
configuration)
Globally enables the BPDU filtering or the BPDU guard feature on
Port Fast-enabled interfaces or enables the Port Fast feature on all
nontrunking interfaces.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing