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Name: IT Smart Service
Address: Neustädter Platz 11, Magdeburg, 39126, DE
Telephone: +49 160 96666553

Cisco IOS CLI basic commands for interface configuration, VLAN and diagnostics at a glance.

View commands

Basics & Modes

enable

Switch to privileged EXEC mode

configure terminal

Enter global configuration mode

show running-config

Show the currently active configuration

copy running-config startup-config

Permanently save the current configuration

Interfaces & VLAN

interface GigabitEthernet0/1
 switchport mode access
 switchport access vlan 10

Assign an interface as an access port to a VLAN

interface GigabitEthernet0/24
 switchport mode trunk
 switchport trunk allowed vlan 10,20,30

Configure an interface as a trunk port for multiple VLANs

show vlan brief

Show all VLANs and their assigned ports

Diagnostics

show ip interface brief

Show status and IP addresses of all interfaces compactly

show cdp neighbors

Show directly connected Cisco neighbor devices

traceroute 8.8.8.8

Trace the route to a target

How it works

Choose a topic

Basics, interfaces/VLAN or diagnostics.

Copy a command

Paste directly into the Cisco IOS console.

Get the cheat sheet

Download all commands as PDF.

Benefits

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Free

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3 topic areas

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Copy & paste

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Good to know about this tool

What does this tool do?

Provides a curated collection of frequently used Cisco IOS CLI commands for basic configuration, interfaces/VLAN and diagnostics.

Why does it exist?

Because Cisco IOS syntax is the de facto standard in networking, and admins often need quick access to reference commands.

Typical use cases

Best practices & notes

Frequently Asked Questions

Does this also work on IOS-XE?

The basic command syntax is largely identical between classic IOS and IOS-XE — platform-specific features may differ.

Disclaimer

The information, templates, scripts, calculations and recommendations provided are intended for educational and assistance purposes only. Always review and test any generated result before production use. IT Smart Service accepts no liability for misuse, data loss, outages, security incidents, or legal, financial or technical damages arising from incorrect or improper use. Responsibility for validation, testing and deployment decisions rests with the user.

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