2-6 | ni.com
Chapter 2 Networking
External Switch Requirements
To take advantage of the network synchronization and network redundancy features of the
cDAQ-9185/9189, ensure that your network infrastructure meets certain requirements:
• IEEE 802.1AS-2011 time-based synchronization support—Automatically synchronizes
timebases and enables the use of time-based triggers, timestamping, and multi-device tasks
between chassis across the network.
• IEEE 802.1Q-2014 (Rapid Spanning Tree Protocol) support—Supports network
redundancy functionality in ring and star topologies
– Rapid Spanning Tree Protocol (RSTP) enabled
– Bridge Protocol Data Units (BPDU) Guard disabled
To learn more about recommended network switches and other network configuration best
practices and requirements, visit ni.com/info and enter cdaqenet.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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