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Lab ts-na-01 - Troubleshooting Switching and VLAN Tickets
Layer 2 faults are the ones that make engineers doubt their own eyes. Two devices on the same subnet, both
7 min read
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.
76 posts
Lab ts-nf-01 - Troubleshooting Connectivity Tickets (L1/L2/L3)
The build labs in the PingLabz CCNA Labs library teach you to configure a network from a blank slate. This
8 min read
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CCNA 200-301 Mega Lab: The All-in-One Hands-On Campus
One 10-node CML topology that exercises the entire CCNA 200-301 hands-on blueprint: VLANs, STP, EtherChannel, HSRP, OSPF, NAT, DHCP, NTP and the security baseline, with real Cisco IOS XE captures.
18 min read
How to Install Cisco CML 2.10 on VMware ESXi (Step-by-Step with Screenshots)
A step-by-step, screenshot-by-screenshot walkthrough of installing Cisco Modeling Labs (CML) 2.10 on VMware ESXi: deploy the OVA, size the VM, attach the refplat ISO, run setup, and start your first node.
12 min read
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Lab sec-10 - Wireless Security WPA2 vs WPA3 (Concept Lab)
The CCNA exam covers wireless security at a concept level. WPA2 has been the dominant Wi-Fi security standard since
3 min read
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Lab sec-09 - IPsec Site-to-Site Overview (Concept Lab)
IPsec is the suite of protocols that builds encrypted, authenticated tunnels across untrusted networks. Two routers at different sites establish
3 min read