Labs
Hands-on Cisco IOS XE lab walkthroughs. Each lab ships with a real CML topology, configs you can paste, and verified show output. Articles tagged Labs cover the full CCNA 200-301 blueprint across Network Fundamentals, Network Access, IP Connectivity, IP Services, and Security Fundamentals.
60 posts
Lab sec-02 - Standard ACL (Numbered)
Standard access lists filter traffic based on source IP only. Numbered standard ACLs use IDs 1-99 and 1300-1999. They are
4 min read
Lab ipc-04 - OSPF Single-Area
OSPF (Open Shortest Path First) is the link-state protocol that powers most enterprise networks. Single-area OSPF puts every router in
5 min read
Lab na-03 - VLANs, Trunks, and VTP
VLANs work fine on a single switch. The minute you have two switches and want VLAN 10 on both, you
6 min read
Lab nf-04 - IPv4 Subnetting with VLSM
Variable-Length Subnet Masking is the skill that turns a CCNA candidate into someone who can stand at a whiteboard with
8 min read
Lab nf-01 - Cisco Modeling Labs Free Quick Start
This is the first lab in the PingLabz CCNA Labs library. There is no networking in it. The goal is
10 min read