UPDATE 4-Cisco veteran Robbins to take over as CEO from Chambers
May 04, 2015 at 14:53 PM EDT
May 4 (Reuters) - Cisco Systems Inc Chief Executive John Chambers will step down in July after 20 years at the helm of the network equipment maker, a symbol of the dot.com stock boom 15 years ago now struggling to boost its bottom line in the era of cloud computing.