SDN Troubleshooting: UDP Communication failures and changing the Network Controller Certificate

With this blog post, I wanted to highlight a couple of issues that we have encountered recently with Software Defined Networking (SDN) customer deployments in Windows Server 2016. Issue #1: UDP communication isn’t working when outbound NAT is configured Customer had configured outbound NAT access for his virtual network through SCVMM (this internally uses SDN… Read more

Troubleshooting certificate issues in Software Defined Networking (SDN)

As you may be aware, Network Controller in Windows Server 2016 uses certificate based authentication for communicating with Hyper-V hosts and Software Load Balancer MUX virtual machines (VMs). Some SDN customers have complained about communication issues between Network Controller and hosts, although certificates were correctly configured on both the entities. On debugging, we found that… Read more

How to find the SDN gateway local address for BGP peering in Windows Server 2016

A few days back, I wrote a blog post about some issues being faced by Software Defined Networking (SDN) customers. The issue was specific to changing VPN bandwidth settings in Windows Server 2016. You can read more about that issue and the solution here. Another area where we have seen customers struggle is finding out the… Read more

Troubleshoot Configuring SDN RAS Gateway VPN Bandwidth Settings in Virtual Machine Manager

I wanted to share some of my experiences with debugging Windows Server 2016 Software Defined Networking (SDN) related customer issues. These issues are related to SDN RAS Gateways.If you’ve deployed Software Defined Networking (SDN) in Windows Server 2016 Datacenter by using System Center Virtual Machine Manager (SCVMM), you might have encountered problems configuring the RAS Gateway… Read more

Network Virtualization in the Windows Server 2016 Software Defined Networking (SDN) Stack

By Jason Messer, Senior Program Manager Using VXLAN for Encapsulation and OVSDB for Policy Distribution Windows Server 2016 is the perfect platform for building your Software-Defined Data Center (SDDC) with new layers of security and Azure-inspired innovation for hosting business applications and infrastructure. A critical piece of this SDDC is the new Software Defined Network… Read more