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Cisco, Arista Trial Reveals Bad Blood in Networking Tech Rivalry

  • Arista’s rapid market gains built on thievery, Cisco claims
  • Upstart Arista founded by Cisco alumni who worked for Chambers
Cisco Systems Inc. signage stands at the company's headquarters in San Jose, California, U.S.
Photographer: David Paul Morris/Bloomberg
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Blood feuds don’t typically revolve around command line interfaces and a few typos. This one does.

Over the next two weeks officers and alumni of Cisco Systems Inc. will be taking the stand in a copyright trial in San Jose, California. The case is part of a broader legal fight pitting the world’s largest networking equipment maker against upstart rival Arista Networks Inc., a company founded by Cisco executives and headquartered about two miles away.