Ping Labz

Cisco Catalyst SD-WAN (formerly Viptela / Cisco SD-WAN): the naming history, the four-plane architecture, OMP routing, and the zero-touch edge onboarding flow.

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.

MSTP (802.1s) maps many VLANs onto a few spanning tree instances. How MST regions, instances, the IST and CIST work, with Cisco IOS XE config and verification.