3.4.3 - Switch Show Commands

Flashcards covering key terms and concepts related to switch configuration commands, interface states, and troubleshooting in network configurations.

show config

Displays the switch's configuration.

startup configuration

The configuration that a switch uses when it starts up, viewable using 'show startup-config'.

running configuration

The current configuration a switch is using, viewable using 'show running-config'.

show interface

Lists the state of all interfaces or a specified interface on a switch.

line status

Indicates whether an interface is up or down based on cable connectivity.

protocol status

Indicates whether an Ethernet link is established for an interface.

Data Link configuration

Configuration that may not be working if the issue is isolated to a single host after checking physical layer components.

privileged mode

A mode on a switch that allows access to various show commands.

full-duplex

A communication mode that allows data to be sent and received simultaneously.

administratively down

An interface that has been disabled using the shutdown command.

down/error disabled

An interface disabled due to an error state, typically from a spanning tree or port security violation.

link aggregation group

A group of multiple network interfaces that combine their capacity for increased bandwidth.

speed mismatch

A condition where the speeds of devices on either end of a link do not match.

duplex mismatch

A condition where the duplex settings of two communicating devices differ, leading to performance issues.

auto-negotiate

A feature that allows devices to negotiate their connection settings automatically.

MTU

Maximum Transmission Unit; the size of the largest packet that can be sent over a network.

ARP

Address Resolution Protocol; used to find the MAC address associated with an IP address.