SSalvatore Milite·Nov 4One Cable, Four NetworksThe rack is assembled and the hardware is in place. Now the software starts.7 min read·vrainlab.hashnode.dev
JJJozzieTech·Oct 15The storage failure that was actually an ARP raceSMB shares failing on Windows, fixed by arp -d, broken again on reboot. Tracing it through Nexus CAM and ARP tables to a duplicate IP on the VLAN.15 min read·jjozzietech.hashnode.dev
NNabeel Shaikh·Jun 9Virtualized OPNsense, Router-on-a-Stick, and Layer 2 TroubleshootingA deep dive into virtualizing OPNsense on Proxmox using Router-on-a-Stick topology, covering VLAN segmentation, PPPoE config, and troubleshooting.18 min read·nabeelshaikh7.hashnode.dev1
HHugo·Apr 28VLAN Segmentation: Why Your Smart Fridge Shouldn't Talk to Your File ServerI recently audited a homelab belonging to a "Senior Developer" who had over $10,000 worth of enterprise-grade server hardware. He had a 100TB ZFS storage array, three Proxmox nodes, and a dedicated Opnsense firewall. But when I looked at his network ...3 min read·hugovalters.hashnode.dev
HHugo·Apr 25VLAN Segmentation: Because Your 'Smart' Toaster is a Moron (and a Security Risk)This isn't a suggestion; it's a mandate. If you're running consumer-grade IoT junk on your primary network, you're not just inviting trouble, you're hand-delivering the keys to your entire digital kingdom. We're going to put that garbage in a cage, w...2 min read·hugovalters.hashnode.dev
HHugo·Apr 24VLAN Segmentation: Securing IoT Devices from the Main NetworkThis isn't about making your network "smart"; it's about making it resilient to the inevitable stupidity of your "smart" devices. If you've got cheap junk phoning home on your primary network, you're not just inviting trouble, you're leaving the fron...3 min read·hugovalters.hashnode.dev
UUmar Ali Butt·Feb 11VLANs and Trunk ProtocolsConditions Required for VLANs A VLAN (Virtual LAN) divides a physical network into multiple logical networks. For VLANs to work properly: 1- Both Interfaces must be in Trunk Mode. 2- Encapsulation must match (Extra Information is added with Frame) 3-...4 min read·umarccna.hashnode.dev
UUmar Ali Butt·Feb 5Day-7: Switch & VLAN LabLearn how to configure VLANs and assign switch ports for network segmentation in a basic campus LAN setup2 min read·umarccna.hashnode.dev
UUmar Ali Butt·Feb 5Day-7 : SwitchLearn about network switches, their types, functions, MAC addresses, VLANs, and port assignments. Perfect for IT professionals4 min read·umarccna.hashnode.dev
GGurupreeth H·Nov 24, 2025“How I Built a Smart Airport Network Using Cisco Packet Tracer (VLAN + OSPF + IoT)Discover how VLANs, OSPF, and IoT were used to create a smart airport network with Cisco Packet Tracer, enhancing communication efficiency2 min read·smart-airport-network.hashnode.dev
