UPDATE 1-Arista infringes Cisco networking patents, trade agency rules
June 23, 2016 at 17:32 PM EDT
NEW YORK, June 23 (Reuters) - Network equipment maker Cisco Systems Inc won a key victory in a sprawling legal battle with rival Arista Networks Inc on Thursday as the U.S. International Trade Commission ruled Arista infringed three of Cisco's patents with its ethernet switches used in computer data centers and servers.