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Redback Gains 2% on Networking News

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Redback Networks

(RBAK)

was up 2% in preopen

Island

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trading after it launched a new line of optical gear designed to let telecommunications companies manage voice, data and fax services over the same network. The network equipment maker said it beat rivals, including

Cisco

(CSCO) - Get Cisco Systems, Inc. Report

, to the market. Cisco was up 1% preopen.