Understanding ICMP Redirects – Why Your Network Traffic Suddenly Takes a Different Route
When a host needs to communicate with a destination outside its local subnet, it normally forwards the packet to its…
Microsoft Hyper-V Networking Best Practices – Part 1 – Installing Hyper-V and Preparing the Lab Environment
Hyper-V has become a mature enterprise virtualization platform that provides high availability, live migration, software-defined networking, and deep integration with…
How Multicast Traffic Works in VMware vSphere – Testing VSS (Basic Multicast Filtering) vs VDS (IGMP/MLD Snooping) with Video Streaming – Part 2
In Part 1, we built the multicast lab environment and explored multicast communication within a single VLAN, including IGMP, IGMP…
Cheat Sheet pfSense
pfSense provides a powerful web-based management interface, but many troubleshooting and recovery tasks can be performed directly from the console…
Build a Site-to-Site VPN between Azure and On-Prem by using pfSense on both Sites – No Azure VPN Gateway Required
Running pfSense on both ends of your hybrid network, in Azure and on-premises, gives you full control over IPSec connectivity…
Deploying pfSense in Azure – A Step-by-Step Guide to Your Own Cloud Firewall
Spinning up a pfSense firewall in Azure can be done in two ways, out of the box or DIY style….
Cross-Hub Connectivity in Google Cloud using HA VPN and NGFW Appliances
In multi-hub Google Cloud environments, teams often need full connectivity between workloads that sit behind different Network Connectivity Center (NCC)…
pfSense and APIPA (169.254/16): Enabling Link-Local Transit Networks for IPsec VTI and BGP
Using APIPA (169.254.x.x) addresses as a transit network for IPsec IKEv2 VTI tunnels is a common best practice in major…
Deploying pfSense in Google Cloud – A Step-by-Step Guide to Your Own Cloud Firewall
Running pfSense in Google Cloud Platform (GCP) is a powerful way to build your own fully controllable network gateway, firewall,…
Step-by-Step Guide: Setting up Route Based S2S VPN between Azure and on-prem by using pfSense – Part 2
Part 1 covers the setup by using static routes, ideal for simpler environments or when dynamic routing isn’t required. Now this second part explores the BGP (Border…
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