Ryan Adams continues a series on building a SQL Server cluster as a lab:
You are going to create a multi-subnet Availability Group in Part 3 of our series on how to build a SQL Cluster Lab. First you give the Cluster Name Object rights in Active Directory and then install your AG. You will also ensure the AG endpoints are using the dedicated network created for them in Part 1. Here are links to the other articles in the series.
Click through for the video.