June 18, 2024

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Over the previous few months, we added a number of new capabilities to Azure Digital WAN which prospects can embrace to considerably simplify routing design and administration in Azure, and safe site visitors flows. Earlier than we introduce these new capabilities, allow us to revisit what Azure Digital WAN is.

Azure Digital WAN is a unified hub and spoke-based structure offering Community-as-a-Service (NaaS) for connectivity, safety, and routing utilizing the Microsoft World Spine. Prospects remodeling their networks by migrating to Azure cloud or using hybrid deployments shared between Azure and their conventional knowledge heart or on-premises networks, make the most of Azure Digital WAN for scalability, ease of deployment, lowered IT prices, low latency, transit functionalities, excessive efficiency, and superior routing.

Azure Virtual WAN is a unified hub and spoke based architecture providing Network-as-a-Service for connectivity, security, and routing using the Microsoft Global Backbone

Prospects architect networks for his or her companies by defining the necessities together with three design features—connectivity, safety, and routing, after which adopting key capabilities Azure Digital WAN brings collectively, as proven within the determine beneath.

Customers architect network for their services by defining the requirements along 3 design aspects –connectivity, security, and routing

At the moment, we’re saying new options that prospects can make the most of when they’re relevant to their eventualities.

New associate options built-in with Azure Digital WAN

We’re excited to announce that two new companions are built-in with Azure Digital WAN.

Fortinet logoVersa Networks logo

  • Fortinet FortiGate is the primary dual-role SD-WAN and security-enabled Community Digital Equipment (NVA) to be built-in natively with the Azure Digital WAN hub, enormously bettering the end-to-end expertise and life-cycle administration of utilizing FortiGate NVAs in Azure.


    Prospects can choose from a fastidiously curated menu of configurations and throughputs, and with a number of easy clicks, can simply deploy and configure FortiGate in Azure. No extra do you must fear about establishing load balancers, user-defined routing and choosing the proper digital machine configurations and networking settings. With a number of clicks in a managed utility and some fast configurations within the Azure Digital WAN portal to configure our new routing mannequin (Routing Intent and Routing Insurance policies), you possibly can simply configure your on-premises and digital networks to ship site visitors to an Azure Digital WAN hub hosted FortiGate next-generation firewall (NGFW) for inspection.


    Prospects may relaxation assured that Azure Digital WAN and FortiGate are constructed with excessive availability and resiliency in thoughts, permitting you to give attention to working your small business. Learn extra concerning the Fortinet FortiGate integration.

  • Versa SASE integration with Azure Digital WAN hub permits prospects to make the most of its top-notch SD-WAN capabilities with Azure Digital WAN’s signature any-to-any routing, multi functional place for simple configuration and deployment. With this integration, prospects can now deploy the Versa within the digital hub for a central connectivity level into Azure and make the most of Microsoft’s spine whereas mixing community, safety, and utility consciousness from Versa. Learn extra concerning the Versa SASE integration.

Department connectivity (Web site-to-Web site VPN)

The next options are actually out there for configuring connectivity from on-premises (additionally known as branches) to Web site-to-Web site VPN gateway in a digital hub.

Customized site visitors selectors

Prospects utilizing policy-based VPN could now specify customized site visitors selectors on the VPN gateways in digital hub, to guarantee pre-defined and constant routing throughout site-to-site connections. Customized site visitors selectors permit for specifying actual, large, or slim site visitors selectors that the VPN gateway proposes or accepts throughout web key trade (IKE) negotiations.

Image of how Traffic Collectors allow for specifying exact, wide or narrow traffic selectors that VPN Gateway proposes or accepts

Packet Seize

Connectivity and performance-related issues are sometimes complicated. It could take vital effort and time simply to slim down the reason for the issue. Packet seize on Azure Digital WAN VPN gateway captures all packets throughout all connections for a holistic view. This may also help you identify whether or not the issue is inside the on-premises community or Azure, or someplace in between. The area of interest filtering functionality permits the person to give attention to particular behaviors, packet sorts, supply and vacation spot subnets, and extra to effectively debug the difficulty.

New Packet Capture button is highlighted on the VPN (site to site) blade within a Virtual WAN Hub

The options by which a user can filter their packets within a Packet Capture operation are shown

Distant person connectivity (Level-to-Web site VPN)

The assets that prospects host in Azure or on-premises are made out there to their distant customers by Azure Digital WAN by enabling Web Protocol Safety (IPsec) or Web Key Change model 2 (IKEv2) or OpenVPN-based VPN connectivity to Level-to-Web site VPN gateway in digital hub. The design for managing authentication for customers is now extra versatile with the brand new function beneath.

Distant or on-premises RADIUS servers

Customers connecting to digital hub can now be authenticated throughout VPN connection arrange, utilizing RADIUS servers positioned on-premises or in a distant spoke digital community. Till right now, solely these RADIUS servers deployed in a digital community linked to a digital hub, could possibly be used to authenticate customers linked to that digital hub.

This functionality simplifies RADIUS deployments, reduces administration overhead, and gives high-availability design choices through the use of RADIUS servers throughout Azure areas or throughout Azure and on-premises. This functionality might be out there in early 2022.

Showing how this simplifies RADIUS deployments, reduces manage overhead

Superior Routing

Beneath are the brand new routing capabilities of a digital hub.

Hub to hub desire over ExpressRoute (in gated preview)

In some Azure Digital WAN eventualities, prospects select to attach their on-premises to Azure utilizing one ExpressRoute circuit connection to a number of hubs. When there’s a VNET-to-VNET site visitors circulate between digital networks linked to totally different hubs, the site visitors circulate traverses the multi-tenant routers, referred to as MSEE, in Microsoft points-of-presence (POPs) the place the ExpressRoute circuit terminates.

When prospects allow the brand new function for his or her Digital WAN, the identical site visitors would then take an optimum path straight between the hubs, and due to this fact expertise improved latencies. The brand new path is proven within the diagram utilizing blue arrows. It will turn out to be the default habits as soon as the function is usually out there.

Image showing how remote users through Azure Vitural WAN by enabling IPsec/KE or Open VPNr

To entry the preview, contact previewpreferh2h@microsoft.com together with your Digital WAN ID, Subscription ID, and Azure Area.

BGP peering with Azure Digital WAN hub (in gated preview)

Enterprises utilizing Azure in hybrid infrastructure mannequin typically have SD-WAN home equipment of their on-premises that connect with appropriate Community Digital Home equipment (NVAs) in spoke digital networks of a digital WAN. In such eventualities, the NVAs function the gateways to Azure for his or her on-premises networks and routing data trade between them is configured utilizing Border Gateway Protocol (BGP). Prospects set up connectivity between NVA and digital hub utilizing static routes, to entry companies deployed in digital networks linked to hub, and to succeed in their on-premises linked to hub by ExpressRoute, till right now.

With the BGP endpoint in digital hub, the routing data from NVA to digital hub can now be exchanged utilizing BGP. This eliminates the necessity for complicated static route configuration between NVA and digital hub. As well as, all community modifications inside the on-premises networks that resulted in handbook updates to such static routes prior to now can now be dynamically marketed from NVA to hub by BGP, which additional simplifies upkeep.

BGP peeriing with Virtual WAN Hub

Routing Intent and Insurance policies enabling inter-hub safety (in gated preview)

Prospects securing site visitors utilizing Azure Firewall supervisor are required to arrange insurance policies manually to establish the flows. This is applicable to all site visitors which is internet-bound or non-public—that’s, between on-premises to digital networks throughout Level-to-Web site, Web site-to-Web site, and ExpressRoute connections and digital hub. Utilizing Routing Intent, prospects can obtain this with out complicated handbook configuration by merely specifying whether or not the digital hub forwards internet-bound, non-public, or inter-hub site visitors circulate route by Azure Firewall or not. Moreover, prospects can configure their deployments to examine all flows (East-West, North-South, and Azure as web edge) utilizing an Azure Firewall or Community Digital Equipment (reminiscent of Fortinet) deployed within the Azure Digital WAN hub.

View of Routing Intent showing BGP

In conclusion, the wants of each group are distinctive and as their networks are migrated from conventional knowledge facilities or on-premises to cloud-only, or hybrid mannequin, the journey entails complicated design selections. Azure Digital WAN goals at making this journey easy with NaaS companies which might be easy to make use of and environment friendly. Every new functionality mentioned to date makes Azure Digital WAN extra helpful to our prospects.

Study extra

To get began with Azure Digital WAN or strive the brand new options, please seek advice from the assets beneath. For options in gated preview, please have a look at the corresponding documentation to study extra about enabling the preview on your subscription.

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