The network equipment maker posted net income of $1.9 billion, or 33 cents a share, in the fiscal fourth quarter, up 79% compared with $1.1 billion a year ago.

Cisco reported earnings per share of 43 cents, beating the 42 cents per share analysts polled by Thomson Reuters had forecast.

Looking forward, Cisco said it expects revenue to rise between 18% and 20% in the current quarter from a year ago. That's a bit lower than the increase of 21% analysts were expecting in the quarter.

Shares of Cisco fell more than 9% in early morning trading Thursday. Even though the company is reporting healthy results, renewed fears of a slowdown in the global economy are taking their toll.