Virtual WAN static routes redistribution

Azure Virtual WAN is one of the networking options offered by Azure, and routing inside of Virtual WAN has become a sort of dark art with the many supported options. Some years ago Routing Intent (also known as Routing Policies) was introduced to simplify routing, but at times you need to go back to the … Continue reading Virtual WAN static routes redistribution

Azure Virtual WAN Hub Routing Preference

You probably know Azure Virtual WAN: it is an Azure service that provides any-to-any connectivity across regions out of the box, or a “global transit network architecture”, as they describe here: Essentially Virtual WAN is a set of Microsoft-managed virtual hubs peered to each other, where you would connect your VNets and/or branches (ExpressRoute, Site-to-Site … Continue reading Azure Virtual WAN Hub Routing Preference

Where do I put my SDWAN?

You might have come across a post from my good friend Adam on SDWAN Design options in Azure, where he details seven design alternatives when incorporating SDWAN to an Azure network. While I was reading Adam’s great summary, I was wondering whether I could summarize his design options and recommendations using the 3-tier cloud netowrk … Continue reading Where do I put my SDWAN?

Virtual WAN: secure hubs in multiple regions

This article was posted in 2020. In the meantime, Azure Virtual WAN Routing Intent has been released with the functionality of securing hub-to-hub traffic. See the official documentation page here: https://learn.microsoft.com/azure/virtual-wan/how-to-routing-policies. You probably know Azure Virtual WAN, an Azure technology that abstracts hybrid networking by providing Microsoft-managed Virtual Hubs that use the Microsoft backbone to … Continue reading Virtual WAN: secure hubs in multiple regions

Connect two Virtual WANs to each other over VPN

You might know what Azure Virtual WAN is: in essence it is a network connectivity model in Azure where you can attach your Virtual Networks, your VPN branches, your ExpressRoute sites and your remote users connecting over VPN to it, and everybody can talk to each other. The main component of Azure Virtual WAN is … Continue reading Connect two Virtual WANs to each other over VPN