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Catalyst 3750 Metro Switch Command Reference
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Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
switchport
switchport
Use the switchport interface configuration command with no keywords on the switch to put an interface
that is in Layer 3 mode into Layer 2 mode for Layer 2 configuration. Use the no form of this command
to put an interface in Layer 3 mode.
switchport
no switchport
Use the no switchport command (without parameters) to set the interface to the routed-interface status
and to erase all Layer 2 configurations. You must use this command before assigning an IP address to a
routed port.
Note If an interface is configured as a Layer 3 interface, you must first enter this switchport command with
no keywords to configure the interface as a Layer 2 port. Then you can enter additional switchport
commands with keywords, as shown on the pages that follow.
Syntax Description This command has no arguments or keywords.
Defaults By default, all interfaces are in Layer 2 mode.
Command Modes Interface configuration
Command History
Usage Guidelines Entering the no switchport command shuts the port down and then re-enables it, which might generate
messages on the device to which the port is connected.
Examples This example shows how to cause an interface to cease operating as a Layer 2 port and become a
Cisco-routed port:
Switch(config-if)# no switchport
This example shows how to cause the port interface to cease operating as a Cisco-routed port and convert
to a Layer 2-switched interface:
Switch(config-if)# switchport
Note The switchport command without keywords is not used on platforms that do not support Cisco-routed
ports. All physical ports on such platforms are assumed to be Layer 2-switched interfaces.
Release Modification
12.1(14)AX This command was introduced.
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