Four months after the appointment of Satya Nadella as Microsoft's CEO, rumors are swirling that another major technology company is gearing up for a leadership shakeup that could prove no less significant for the industry. A new report by veteran analyst and theCUBE alumnus Scott Raynovich claims that Cisco, the world's largest maker of data center networking equipment, is putting the finishing touches on a sweeping reorganization plan that will see long-time head John Chambers step down in the foreseeable future.