Resetting Counters on Cisco Switches
Clear interface counters on a Cisco switch with clear counters to reset a baseline before troubleshooting. Here is how to use it safely and verify errors.
Fundamentals
Networking fundamentals and CCNA-level reference content. The TCP/IP and OSI models, ethernet basics, encapsulation, IPv4 addressing, layer 2 fundamentals, and the Cisco IOS commands every network engineer reaches for. The foundations beneath the pillar guides.
Latest posts — page 9
How to Audit Switch Ports on Cisco Catalyst Switches
What is on each port, should it be, and is the port enforcing that? A real port audit on a Catalyst switch, including a genuine port-security violation that fired mid-lab.
How to Configure HTTP Method on a Cisco Switch
Enabling HTTP or HTTPS on a Cisco switch takes ip http server, secure-server, AAA, and a trustpoint. Here is the config, the security hardening, and the gotchas.
How to Check Your Cisco Switch Warranty
Check a Cisco switch warranty by grabbing the serial from the chassis or show inventory, then running it through the Cisco Serial Number Info Finder.
Top CCNA Network Simulators: Hands-On Review & Guide
Explore the top CCNA network simulators I tested, hands-on insights, pros & cons, and tips to choose the right one for your study lab.
Cisco Port Security Guide: Lock Down Your Network Ports
Master Cisco port security techniques to prevent unauthorized devices from joining your LAN — step-by-step commands, violation modes, and best practices included.