How to Control AWS Transit Gateway Traffic with VRF
In the AWS centralized transit gateway, traffic is routed among VPCs using the transit gateway default route table. In this scenario, you get full mesh…
Routing
How to Configure User-Defined Routes in AWS
In Amazon Web Services (AWS), creating User-Defined Routes (UDRs) is a crucial networking task that allows you to customize the routing behavior for specific subnets…
OSI Model Cheat Sheet
Here is an illustrated cheat sheet for the 7 layers of the OSI Model as used in computer networking. The OSI Model is a conceptual model that…
Make Your ASA Show Up in a Traceroute – Enable TTL Decrement
If you’ve been blessed, or cursed, with working in an environment with several network segments separated by routers and Cisco ASA firewalls you know that…
How to Add Static Route in Windows
Adding a static route to the routing table in Windows is simple. Routing tables control what path a packet takes when it’s sent from a…