Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
switchport
switchport
To modify the switching characteristics of a Layer 2 switch interface, use the switchport command. To
return the interface to the routed-interface status and cause all further Layer 2 configuration to be erased,
use the no form of this command without parameters.
switchport [access vlan vlan_num] | [nonegotiate] | [voice vlan {vlan_id | dot1p | none |
untagged}]
no switchport [access | nonegotiate | voice vlan]
Syntax Description
Defaults The default settings are as follows:
• Switchport trunking mode is enabled.
• Dynamic negotiation parameter is set to auto.
• Access VLANs and trunk interface native VLANs are a default VLAN corresponding to the platform
or interface hardware.
• All VLAN lists include all VLANs.
• No voice VLAN is enabled.
Command Modes Interface configuration mode
Command History
Usage Guidelines The no switchport command shuts the port down and then reenables it, which may generate messages
on the device to which the port is connected.
access vlan vlan_num (Optional) Sets the VLAN when the interface is in access mode; valid values
are from 1 to 1005.
nonegotiate (Optional) Specifies that the DISL/DTP negotiation packets will not be sent
on the interface.
voice vlan vlan_id (Optional) Specifies the number of the VLAN; valid values are from 1 to
1005.
dot1p (Optional) Specifies that the PVID packets are tagged as priority.
none (Optional) Specifies that the telephone and voice VLAN do not
communicate.
untagged (Optional) Specifies the untagged PVID packets.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.1(11)EW Support for voice VLAN was added.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E