Name: Cisco 4500M
Brand: Cisco
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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW

78-16201-01

Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches

switchport mode

To set the interface type, use the switchport mode command. To reset the mode to the appropriate

default mode for the device, use the no form of the command.

switchport mode {access | dot1q-tunnel | trunk | dynamic {auto | desirable}}

switchport mode private-vlan {host | promiscuous | trunk}

no switchport mode dot1q-tunnel

no switchport mode private-vlan

Syntax Description

Defaults Link converts to a trunk link.

dot1q tunnel ports are disabled.

Command Modes Interface configuration

Command History

Usage Guidelines If you enter access mode, the interface goes into permanent nontrunking mode and negotiates to convert

the link into a nontrunk link even if the neighboring interface does not approve the change.

If you enter trunk mode, the interface goes into permanent trunking mode and negotiates to convert the

link into a trunk link even if the neighboring interface does not approve the change.

If you enter dynamic auto mode, the interface converts the link to a trunk link if the neighboring

interface is set to trunk or desirable mode.

access Specifies a nontrunking, nontagged single VLAN Layer 2 interface.

dot1q-tunnel Specifies an 802.1Q tunnel port.

trunk Specifies a trunking VLAN Layer 2 interface.

dynamic auto Specifies that the interface convert the link to a trunk link.

dynamic desirable Specifies that the interface actively attempt to convert the link to a trunk link.

private-vlan host Specifies that the ports with a valid PVLAN trunk association becomes active host

private VLAN trunk ports.

private-vlan

promiscuous

Specifies that the ports with a valid PVLAN mapping become active promiscuous

ports.

private-vlan trunk Specifies that the ports with a valid PVLAN trunk association becomes active host

private VLAN trunk ports.

Release Modification

12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.

12.2(18)EW Support was added for configuring dot1q tunnel ports.

Cisco 4500M Command Reference

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