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27 INTERFACE COMMANDS
These commands are used to display or set communication parameters for
an Ethernet port, aggregated link, or VLAN; or perform cable diagnostics
on the specified interface.
Table 86: Interface Commands
Command Function Mode
Interface Configuration
interface Configures an interface type and enters interface
configuration mode
GC
alias Configures an alias name for the interface IC
capabilities Advertises the capabilities of a given interface for use
in autonegotiation
IC
description Adds a description to an interface configuration IC
flowcontrol Enables flow control on a given interface IC
media-type Force port type selected for combination ports IC
negotiation Enables autonegotiation of a given interface IC
shutdown Disables an interface IC
speed-duplex Configures the speed and duplex operation of a given
interface when autonegotiation is disabled
IC
switchport packet-rate
*
* Enabling hardware-level storm control with this command on a port will disable
software-level automatic storm control on the same port if configured by the auto-
traffic-control command (page 743).
Configures broadcast, multicast, and unknown unicast
storm control thresholds
IC
clear counters Clears statistics on an interface PE
show interfaces brief Displays a summary of key information, including
operational status, native VLAN ID, default priority,
speed/duplex mode, and port type
PE
show interfaces counters Displays statistics for the specified interfaces NE, PE
show interfaces status Displays status for the specified interface NE, PE
show interfaces
switchport
Displays the administrative and operational status of
an interface
NE, PE
Cable Diagnostics
test cable-diagnostics Performs cable diagnostics on the specified port PE
show cable-diagnostics Shows the results of a cable diagnostics test PE
Power Savings
power-save Enables power savings mode on the specified port IC
show power-save Shows the configuration settings for power savings PE
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