Arista Networks Inc (NYSE:ANET) reported fourth-quarter financial results Monday after the close. Here’s a look at the key metrics from the quarter. Q4 Earnings: Arista said fourth-quarter revenue increased 20.8% year-over-year to $1.54 billion, which beat the consensus estimate of $1.53 billion, according to Benzinga Pro. The company reported quarterly earnings of $2.08 per share, which beat analyst estimates of $1.70 per share. “I am truly honored to be a part of the leadership team that will drive Arista 2.0 products and technology for enterprise, cloud and AI customers,” said Arista’s inco…