Cisco Systems Earnings Rise 29 Percent  CHICAGO (Reuters) - Cisco Systems Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CSCO.O target=/stocks/quickinfo/fullquote"&gt;CSCO.O&lt;/A&gt;, the  biggest maker of equipment that directs data over the Internet,  on Tuesday said quarterly earnings rose 29 percent on stronger  demand for gear such as wireless networks and Internet  telephone equipment.