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Secure and Nonstop Services
• Integrated resiliency: Network downtime is minimized with redundant supervisor engine (subsecond failover) capability (Cisco Catalyst 4507R-E and 4510R-E switches), advanced fault tolerance software, full image In-Service Software Upgrades (ISSU), redundant fans, and 1+1 power-supply redundancy across the Cisco Catalyst 4500 Series. Integrated Power over Ethernet (PoE) in all Cisco Catalyst 4500 Series chassis simplifies network design and limits the number of points of failure for unified communications.
• Advanced security: Support for Cisco patented Layer 2 security features prevents security breaches from rogue servers as well as "man in the middle" attacks where passwords and data can be intercepted. Layer 2-4 filtering and policing are also supported to mitigate the traffic initiated from malicious network attackers.
• Sophisticated QoS: Integrated QoS and traffic-management capabilities based on Layer 2-4 classify and prioritize mission-critical and time-sensitive traffic, using Modular QoS CLI (MQC) and up to 64,000 QoS policy entries. The Cisco Catalyst 4500 Series can shape and rate-limit bandwidth-intensive traffic with mechanisms such as input and output policers based on host, network, and application information.
• Comprehensive management: The Cisco Catalyst 4500 Series offers Web-based management for the configuration and control of all ports, allowing central management of critical network characteristics such as availability and responsiveness.