Reference Guide

612 | Interfaces
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Related
Commands
shutdown
c e s
Disable an interface.
Syntax
shutdown
To activate an interface, enter no shutdown.
Defaults
The interface is disabled.
Command Modes
INTERFACE
Command
History
Usage
Information
The shutdown command marks a physical interface as unavailable for traffic. To discover if an
interface is disabled, use the show ip interface brief command. Disabled interfaces are listed as down.
Disabling a VLAN or a port channel causes different behavior. When a VLAN is disabled, the Layer 3
functions within that VLAN are disabled. Layer 2 traffic continues to flow. Entering the shutdown
command on a port channel disables all traffic on the port channel and the individual interfaces within
the port channel. To enable a port channel, you must enter no shutdown on the port channel interface
and at least one interface within that port channel.
The shutdown and description commands are the only commands that you can configure on an
interface that is a member of a port channel.
Related
Commands
interface Configure a physical interface on the switch.
show ip interface Displays Layer 3 information about the interfaces.
show interfaces Display information on a specific physical interface or virtual interface.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
E-Series legacy command
interface port-channel Create a port channel interface.
interface vlan Create a VLAN.
show ip interface
Displays the interface routing status. Add the keyword
brief to display a
table of interfaces and their status.