Skype for Business Cloud Connector Infrastructure Requirements Part II


This blog post is a 2nd part of my preceding blog post. Part I covers H/W & S/W requirements and basic of DNS, certificates and permissions etc. In this post, I’ll cover the Ports and Protocols requirement for cloud connector edition deployment.

Below illustration shows high level logical deployments scenario with Cloud Connector Edition. Maximum 4 cloud connector can be deployed with one PSTN site. As shown in the diagram, cloud connector edition is deployed in perimeter network. Once you deploy cloud connector edition in perimeter network, required ports and protocol should be open to make it functional.

 

Below illustration shows the ports and protocol which should be open in internal firewall.

Below illustration shows the minimum ports and protocol which should be open in external firewall.

Below illustration shows the recommended ports and protocol which should be open in external firewall.

Note:
This solution will not work if the user end point is behind a symmetric NAT.

For more detailed information, please refer https://technet.microsoft.com/en-us/library/mt605227.aspx

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