Category: Networking
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Troubleshooting Cisco CAPWAP and DTLS Certificate Issues: Building an Enterprise Wireless Network at Home
How a few aging Cisco Aironet access points turned into a practical lesson in wireless networking, certificate authentication, VLAN segmentation, RADIUS, and wireless intrusion detection. Why I’m Running Enterprise Cisco Wireless Equipment at Home One of the best ways I’ve found to improve my understanding of networking is to build things, break them, and figure…
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Routing a VLAN Through Proton VPN Using Palo Alto Policy-Based Forwarding and WireGuard
Building a dedicated Linux VPN gateway with NAT, selective routing, firewall policies, and a kill switch. Introduction One of the advantages of operating a home networking lab is the ability to experiment with technologies that are commonly used in enterprise environments. For this project, I wanted to route traffic from a specific VLAN through a…
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How to Test and Verify QoS in a Cisco Lab Using iperf3
Quality of Service (QoS) is one of those topics that can sound simple on paper but becomes tricky when you test it on real gear. In this post, we’ll walk step-by-step through setting up a small QoS lab using a router, a firewall, and two endpoint hosts — then validating the policy using iperf3. The…