Requirements for Deploying Network Controller
Applies to: Windows Server (Semi-Annual Channel), Windows Server 2016
Prepare your datacenter for Network Controller deployment, which requires one or more computers or VMs and one computer or VM. Before you can deploy Network Controller, you must configure the security groups, log file locations (if needed), and dynamic DNS registration.
Network Controller requirements
Network Controller deployment requires one or more computers or VMs that serve as the Network Controller, and one computer or VM to serve as a management client for Network Controller.
- All VMs and computers planned as Network Controller nodes must be running Windows Server 2016 Datacenter edition.
- Any computer or virtual machine (VM) upon which you install Network Controller must be running the Datacenter edition of Windows Server 2016.
- The management client computer or VM for Network Controller must be running Windows 10.
Before deploying Network Controller, you must configure the security groups, log file locations (if needed), and dynamic DNS registration.
Step 1. Configure your security groups
The first thing you want to do is create two security groups for Kerberos authentication.
You create groups for users who have permission to:
- Configure Network Controller
You can name this group Network Controller Admins, for example.
- Configure and manage the network by using Network Controller
You can name this group Network Controller Users, for example. Use Representational State Transfer (REST) to configure and manage Network Controller.
All of the users you add must be members of the Domain Users group in Active Directory Users and Computers.
Step 2. Configure log file locations if needed
The next thing you want to do is configure the file locations to store Network Controller debug logs either on the Network Controller computer or VM or on a remote file share.
If you store the logs in a remote file share, ensure that the share is accessible from the Network Controller.
Step 3. Configure dynamic DNS registration for Network Controller
Finally, the next thing you want to do is deploy Network Controller cluster nodes on the same subnet or different subnets.
|On the same subnet,||You must provide the Network Controller REST IP address.|
|On different subnets,||You must provide the Network Controller REST DNS name, which you create during the deployment process. You must also do the following:
Membership in Domain Admins, or equivalent, is the minimum required to perform these procedures.
Allow DNS dynamic updates for a zone.
a. Open DNS Manager, and in the console tree, right-click the applicable zone, and then click Properties.
b. On the General tab, verify that the zone type is either Primary or Active Directory-integrated.
c. In Dynamic updates, verify that Secure only is selected, and then click OK.
Configure DNS zone security permissions for Network Controller nodes
a. Click the Security tab, and then click Advanced.
b. In Advanced Security Settings, click Add.
c. Click Select a principal.
d. In the Select User, Computer, Service Account, or Group dialog box, click Object Types.
e. In Object Types, select Computers, and then click OK.
f. In the Select User, Computer, Service Account, or Group dialog box, type the NetBIOS name of one of the Network Controller nodes in your deployment, and then click OK.
g. In Permission Entry, verify the following values:
- Type = Allow
- Applies to = This object and all descendant objects
h. In Permissions, select Write all properties and Delete, and then click OK.
Repeat for all computers and VMs in the Network Controller cluster.
Step 4. Configure Service Principal Name if using Kerberos based authentication
If Network Controller is using Kerberos-based authentication for communication with management clients, you must configure a Service Principal Name (SPN) for Network Controller in Active Directory. The Network Controller automatically configures the SPN. All you need to do is to provide permissions for the Network Controller machines to register and modify the SPN. For more details, see Configure Service Principal Names (SPN).
Network Controller deployment
The setup is highly available with three Network Controller nodes configured on virtual machines. Also shown is two tenants with Tenant 2's virtual network broken into two virtual subnets to simulate a web tier and a database tier.
Network controller and software load balancer deployment
For high availablity, there are two or more SLB/MUX nodes.
Network Controller, Software Load Balancer, and RAS Gateway deployment
There are three gateway virtual machines; two are active, and one is redundant.
For TP5-based deployment automation, Active Directory must be available and reachable from these subnets. For more information about Active Directory, see Active Directory Domain Services Overview.
If you deploy using VMM, ensure your infrastructure virtual machines (VMM Server, AD/DNS, SQL Server, etc.) are not hosted on any of the four hosts shown in the diagrams.
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