Ping Labz

CCNP-level networking tutorials — OSPF, STP, 802.1X, and BGP explained with real lab configs and topology diagrams.

VLAN Naming, Ranges, and Management Best Practices on Cisco IOS XE

Deep dive into VLAN naming conventions, the difference between standard and extended range VLANs, and best practices for VLAN management and deletion on Cisco Catalyst switches.

6 min read Dec 23, 2024

Cisco public

Cisco PVST Guide: Spanning Tree for Every VLAN

Master PVST (Per-VLAN Spanning Tree) on Cisco switches — learn configuration, root bridge design, port roles, and common troubleshooting tips.

3 min read Dec 23, 2024

VLAN public

Troubleshooting SVI Up/Down Issues on Cisco Catalyst Switches

An SVI stuck in up/down means something is wrong with the underlying VLAN — no active ports, a deleted VLAN, or STP blocking every path. Here is how to diagnose and fix every cause.

6 min read Dec 23, 2024

Cisco public

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.

3 min read Dec 23, 2024

Cisco public

802.1X on Cisco Switches: Step-by-Step Configuration Guide

Learn to configure 802.1X port-based network access control on Cisco switches — includes RADIUS setup, switch commands, troubleshooting, and best practices.

2 min read Dec 21, 2024

Cisco public

HSRP High Availability: Configure Cisco HSRP Step-by-Step

Learn how to deploy Cisco HSRP for gateway redundancy, including detailed steps, priority settings, tracking, failover behavior, and verification commands.

3 min read Dec 21, 2024

VLAN public

VLAN Trunking Explained: 802.1Q, Allowed Lists, and Trunk Negotiation

Learn why VLAN trunks exist, how 802.1Q tagging works, the difference between ISL and 802.1Q, and how allowed VLAN lists and trunk negotiation function in Cisco networks.

7 min read Dec 21, 2024

Cisco public

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.

3 min read Dec 21, 2024

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