Enterasys, Siemens integrate WLAN gear; Cisco fights to keep top in net security

Enterasys this week is expected to announce integration of the Siemens Enterprise Communications WLAN portfolio with its switches and management systems. Cisco is the king of network security, commanding almost a quarter share of the worldwide $6.8 billion market for network security equipment, according to IDC. But can it hold the fort? (5:33)

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