Cisco CEO Chuck Robbins speaking on CNBC's "Squawk Box" outside the World Economic Forum in Davos, Switzerland, on Jan. 22, 2025.Gerry Miller | CNBCCisco shares climbed about 6% in extended trading on Wednesday after the networking hardware maker reported fiscal second-quarter results and guidance that topped Wall Street's expectations.Here's how the company did against LSEG consensus:Earnings per share: 94 cents adjusted vs. 91 cents expectedRevenue: $13.99 billion vs. $13.87 billion expectedRe...