Cisco has reported net sales of $10.4bn for the second quarter of 2011, an increase of 6%, compared to $9.8bn for the same period last year.

The company posted an operating income of $1.7bn for the second quarter of fiscal 2011, compared to $2.4bn for the same period last year.

For the quarter ended 29 January 2011, the company reported a net income of $1.5bn, a decline 17.9% compared to $1.9bn for the same period a year ago.

Diluted earnings per share was $0.27, a decrease of 15.6%, compared to $0.32 for the corresponding period last year.

Cisco chairman and CEO John Chambers said their strategy of integrating their multiple products through an architectural approach was working, and they we are delivering innovation in each major product family.

"As a company, we are going through a period of transition as we move aggressively in the market with our architectural strategy and we have managed these market transitions many times, positioning Cisco and our customers for success," Chambers said.