While networking hardware giant Cisco Systems ' ( CSCO -0.47% ) fiscal second-quarter report was a bit of a mixed bag, it contained one great piece of news for investors. Cisco announced that it was raising its quarterly dividend to $0.29 per share, up 11.5% from the previous payment of $0.26 per share. With the stock now yielding 3.4%, an already great dividend stock has gotten even better.