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10 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 61: 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
giga-phy-mode Forces two connected ports in to a master/slave
configuration to enable 1000BASE-T full duplex
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
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
show interfaces transceiver Displays the temperature, voltage, bias current, transmit
power, and receive power
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
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