Routing on Marko Apfelhttp://blog.marko-apfel.de/tags/routing/Recent content in Routing on Marko ApfelHugoen-USTue, 10 Dec 2024 18:00:00 +0100Troubleshooting VLAN Connectivity with Sophos XGhttp://blog.marko-apfel.de/posts/troubleshooting-vlan-connectivity/Tue, 10 Dec 2024 18:00:00 +0100http://blog.marko-apfel.de/posts/troubleshooting-vlan-connectivity/A layer-by-layer checklist for isolating VLAN connectivity failures — from cabling and tagging up through routing, firewall policy, and NAT — instead of guessing at fixes.Understanding Inter-VLAN Routing and Firewall Rules on Sophos XGhttp://blog.marko-apfel.de/posts/inter-vlan-routing-and-firewall-rules/Sun, 08 Dec 2024 12:00:00 +0100http://blog.marko-apfel.de/posts/inter-vlan-routing-and-firewall-rules/Connected routes tell Sophos XG where a network is, not whether traffic may go there — a look at building specific, named, flow-based firewall rules instead of broad LAN-to-LAN allows.