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Part 14 of the Industrial Networking: Serial to Ethernet training series 

IP addresses, given statically or by a server, are intended to logically separate a network.  The subnet mask determines which part of the IP address is the network number or node number. A DNS (domain name service) resolves a word (string) given to an IP back to its IP address.

Long-time automation trainer Doug Bell, Interconnecting Automation, covers the basics of Industrial Networking with AutomationDirect’s Chris Harris. This video is produced by CFE Media to be noncommercial and educational. Runtime is approximately 10 minutes.