** Arista Networks ANET.N shares dipping 1.9% on Tues ahead of qtrly results after the bell, as investors focus on AI-driven demand for ethernet switches and routers

** Co on Aug. 5 forecast third-qtr rev of $2.25 billion, above analyst estimates

** Analysts expect qtrly rev up 24% to $2.25 bln, adj EPS seen at $0.71 vs $0.60 yr-ago, per LSEG

** ANET stock surged about 40% YTD, outperforming S&P 500 .SPX rise of 15%. Shares notched record high close on Oct. 29

** Shares last traded about 6% below 52-week intraday high of $164.91 reached on Oct. 30, 2025

** Stock recently at 49x expected earnings, well above 5-yr avg forward PE of 33, suggesting shares may be overvalued

(Reporting by Noel Randewich)

((noel.randewich@thomsonreuters.com))