Azure Firewall’s sidekick to join the BGP superheroes

Azure Firewall is a fantastic product: oversimplifying, an architecture that scales out great, provides traffic forwarding and security in Azure, and is very easy to integrate in a network. Some times you need to manipulate the default routing of Azure VNets, and Azure Route Server offers an invaluable tool for that. However, Azure Route Server … Continue reading Azure Firewall’s sidekick to join the BGP superheroes

Azure Route Server and NVAs running on Scale Sets

There are a couple of ways in which you can deploy NVAs in Azure, from a redundancy perspective: 1+1 (active/passive): least scalable solution, your maximum throughput will be equivalent of the one of the active NVA, while you normally have to pay for 2 VMs and 2 NVA licenses 1+1 (active/active): 2 NVAs forwarding traffic … Continue reading Azure Route Server and NVAs running on Scale Sets

Listen to the Whispers of BGP

An old Cherokee proverb says: “Listen to the whispers and you won’t have to hear the screams”. Routing problems are hard: Hard to uncover, because sometimes they will not become apparent until something happens. For example, when your backup routes disappear, and you only notice when the primary routes are gone too. And hard in … Continue reading Listen to the Whispers of BGP