Cisco Catalyst 6500 Series multilayer switches have become a primary component of an efficient network design in today's enterprise and service provider environments. In such a critical role, the Cisco Catalyst 6500 Series must provide a reliable switching platform that offers high performance and intelligent network services. This paper discusses how the Cisco Catalyst 6500 Series provides high system availability through hardware and software redundancy features. The paper also discusses the hybrid software model for the Cisco Catalyst 6500 Series (Catalyst OS on the supervisor engine, Cisco IOS Software on the MSFC) and not on the Cisco IOS Software model (native Cisco IOS Software).
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