NEW YORK (TheStreet) -- It amazes me that Wall Street still does not fully appreciate the turnaround story that is networking giant Cisco ( CSCO). Even more disappointing, many analysts do not really seek to understand, but instead carry on the notion that they've got it all figured out.I will concede that Cisco has indeed made more than its shares of mistakes -- some of which have allowed newcomers like F5 ( FFIV) and Riverbed ( RVBD) to encroach on its territory and steal some market share. For this, it is clear that Wall Street still carries a grudge. But leading into the company's fiscal third-quarter results and coming on the heels of three consecutive earnings beats, I was optimistic in thinking that it was time to let bygones be bygones. Investors had different ideas.