Cisco's forecast tops Wall Street estimates; shares rise

Network equipment maker Cisco Systems Inc reported better-than-expected results and gave an upbeat forecast for the current quarter, sending its shares up about 7 percent in extended trading. The company has been beefing up its wireless security and datacenter businesses to offset the impact of sluggish spending by telecom carriers and enterprises on its main business of making network switches and routers. Results in the latest reported quarter were mainly driven by a 17 percent jump in sales i