Configure Network Load Balancing for Web server in Windows Server 2025

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Configure Network Load Balancing for Web server in Windows Server 2025

1. Prepare

DC2501 : Domain Controller (Yi.vn) | DC2502, DC2503 : Web Server (IP 10.0.0.2, 10.0.0.3) | WIN111, WIN112 : Client

2. Step by step : Configure Network Load Balancing for DC2502, DC2503

DC2501 : Create a new record DNS : www.Yi.vn 10.0.0.100

DC2502 : Install Web service and Network Load Balancing

Create a simple website with content "This is Website at DC2502"

Server Manager - Manage - Add Roles and Features - Next to Server Roles : Select "Web Server (IIS)" - Add Features

Features : Select "Network Load Balancing" - Add Features - Next to Install

Server Manager - Tools - Internet Information Services (IIS) Manager - DC2502 - Site - Right-Click Default Web Site

remove - Yes - Right-Click Sites - Add Website... : Site name : WEB, Physical path : C:\WEB - OK

DC2503 : Do the same DC2502, website with content "This is Website at DC2503"

DC2502 : Configure Network Load Balancing

Server Manager - Tools - Network Load Balancing Manager - Right-click "Network Load Balancing Cluster" - New Cluster - Host : 10.0.0.2

Connect - Next to "New Cluster : Cluster IP Address" - Add... : 10.0.0.100 255.255.255.0

Cluster operation mode : Multicast - "New Cluster : Port Rules" : Edit... - Port range : From 80, To 80 - Finish

Right-click 10.0.0.100 - Add Host To Cluster - Host : 10.0.0.3 - Connect - Finish

WIN111 : Microsoft Edge - http://www.Yi.vn === This is Website at DC2503 (or DC2502)

WIN112 : Microsoft Edge - http://www.Yi.vn === This is Website at DC2502 (or DC2503)

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