Tag Archives: Networking

Demystifying Azure VMs bandwidth specification – F-series

As you may know Microsoft specifies the bandwidth of Azure VMs with low, moderate, high, very high and extremely high. As Yousef Khalidi, CVP Azure Networking, has written in his blog post in March, Microsoft will provide specific numbers to each Azure VM size in April. When our world-wide deployment completes in April, we’ll update our VM Sizes table so you can see the expected networking throughput Read more [...]

Azure Germany services URLs and IP addresses for firewall or proxy whitelisting

When you are working with Azure Germany sometimes you have to whitelist specific IP address ranges or URLs in your corporate firewall or proxy to access all Azure services you are using or trying to use. Some information like the datacenter IP ranges and some of the URLs are easy to find. Other things are more complicated to find like calling IP addresses of specific Azure services or specific URLs. The Read more [...]

Azure services URLs and IP addresses for firewall or proxy whitelisting

When you are working with Azure sometimes you have to whitelist specific IP address ranges or URLs in your corporate firewall or proxy to access all Azure services you are using or trying to use. Some information like the datacenter IP ranges and some of the URLs are easy to find. Other things are more complicated to find like calling IP addresses of specific Azure services or specific URLs. The Read more [...]

Microsoft Azure Route Table effective routes evaluation

Another hidden gem in Azure is the effective routes evaluation. The effective routes evaluation can be found under the category SUPPORT + TROUBLESHOOTING in each Route Table or NIC. You only have to select the subnet and the VM’s NIC. Now you get an overview which routes are applied to the VM’s NIC. For an offline analysis there is a download option, that generates a CSV file of Read more [...]

Microsoft Azure Network Security Group effective security rules evaluation

Ever faced the problem that you had defined rules in your Network Security Groups, attached one to the virtual subnet and the other one to the VM’s NIC and finally lost the view which rules of which NSG are applied to the VM? If you can answer the question with yes, then Azure provides the solution for it. A hidden gem: the effective security rules. The effective security rules evaluation can Read more [...]

Working with VM Update Functional Level in System Center 2016 TP3 VMM

In Windows Server 2016 Microsoft introduces the next VM version 6.2 as they have always done with every new Server version since Hyper-V. This time an important part is different. VMs will not get updated automatically to the newest VM version. The reason for that is the new Rolling Cluster Upgrade feature. In short VMs with version 6.2 are not compatible with Windows Server 2012 R2 Hyper-V, but the Read more [...]

Manage Windows Server 2016 TP3 Network Controller with System Center 2016 TP3 VMM

Actually in the Technical Preview 3 you can use either PowerShell or System Center 2016 VMM to manage a Network Controller instance. I had not the time yet to test the management capabilities provided by System Center 2016 Operations Manager. You can manage your datacenter network with Network Controller by using management applications, such as System Center Virtual Machine Manager (SCVMM), and System Read more [...]

Working with vNIC Consistent Naming in System Center 2016 TP3 VMM

Windows Server 2016 TP3 Hyper-V includes a very interesting feature that got several names out there vCDN, Consistent Naming of Virtual Network Adapters and Virtual Adapter Identification. Only the last two are a good wording for it, because it is not Consistent Device Naming. In this blog post I use the following wording vNIC Consistent Naming regarding to the TechNet Library description and will Read more [...]

Convert Standard Switch to Logical Switch in System Center 2016 TP3 VMM

How often have I rebuild the Hyper-V Switch configuration in the last few years at customer sites? I cannot remember. When ever I implemented VMM or checked the VMM installation at a customer I designed or redesigned the Logical Network configuration and with that the Logical Switch configuration. In System Center 2012 R2 VMM you had to do the following to replace the Standard Switch on a Hyper-V host Read more [...]

Connect Windows Server 2016 TP3 Network Controller with System Center 2016 TP3 VMM

Today Microsoft released Windows Server 2016 TP3 and System Center 2016 TP3. -> http://blogs.technet.com/b/server-cloud/archive/2015/08/19/what-s-new-in-windows-server-2016-and-system-center-2016-technical-preview-3.aspx Finally with the release of Technical Preview 3 we got a guide on how to set up the Network Controller role in Windows Server 2016. -> https://technet.microsoft.com/en-us/library/mt282165.aspx In Read more [...]