Switchport Host - Cisco Catalyst 3750 Command Reference Manual
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Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
switchport host
Use the switchport host interface configuration command on the switch stack or on a standalone switch
to optimize a Layer 2 port for a host connection. The no form of this command has no affect on the
system.
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
Release
12.1(11)AX
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
Command
show interfaces
78-16181-01
switchport host
Modification
This command was introduced.
switchport
Description
Displays the administrative and operational status of a switching
(nonrouting) port, including switchport mode.
Catalyst 3750 Switch Command Reference
switchport host
2-479
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