VIAVI Solutions Case Study TeraVM Cisco Nexus 1000V - SAVBU uses TeraVM for performance and functional testing Cisco was faced with the difficult challenge of how to test the performance and functionality of thousands of virtual interfaces on their highly scalable Nexus 1000V virtual switch. Furthermore the virtual interfaces (vNICs) or ports were only accessible from a virtual machine, which implied the test solution had to be virtualized as well. Also the solution had to be reliable with repeatable test configurations that enabled a consistent set of measurements throughout the software release life cycle. Prior to TeraVM, Cisco was using Iperf but it was inadequate because it lacked detailed per flow metrics/reporting and was difficult to deploy at scale. The Nexus 1000V has

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