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Cisco ME 3400 Ethernet Access Switch Command Reference

OL-9640-07

Chapter 2 Cisco ME 3400 Ethernet Access Switch Cisco IOS Commands

switchport host

Use the switchport host interface configuration command to optimize a Layer 2 port for a host

connection. The no form of this command has no affect on the system.

switchport host

Syntax Description This command has no arguments or keywords.

Defaults The default is for the port to not be optimized for a host connection.

Command Modes Interface configuration

Command History

Usage Guidelines To optimize the port for a host connection, the switchport host command sets switch port mode to

access, enables spanning tree Port Fast, and disables channel grouping. Only an end station can accept

this configuration.

Because spanning tree Port Fast is enabled, you should enter the switchport host command only on ports

that are connected to a single host. Connecting other switches, hubs, concentrators, or bridges to a

fast-start port can cause temporary spanning-tree loops.

Enable the switchport host command to decrease the time that it takes to start up packet forwarding.

Examples This example shows how to optimize the port configuration for a host connection:

Switch(config-if)# switchport host

switchport mode will be set to access

spanning-tree portfast will be enabled

channel group will be disabled

Switch(config-if)#

You can verify your setting by entering the show interfaces interface-id switchport privileged EXEC

command.

Related Commands

Release Modification

12.2(25)EX This command was introduced.

Command Description

show interfaces switchport Displays the administrative and operational status of a switching

(nonrouting) port, including switchport mode.

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