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Extreme Networks
ExtremeXOS Operating System, Version 12.5

ExtremeXOS Operating System, Version 12.5

Product catalog summary

Overview
ExtremeXOS is a modular operating system designed for high-performance Ethernet networks, offering high availability, integrated security, and extensibility. It is suitable for mission-critical applications and carrier-grade services.

High Availability Architecture
ExtremeXOS reduces network downtime with features like hitless failover, module-level software upgrades, memory protection, and self-healing process recovery. It extends high availability across switches using Multi-Switch Link Aggregation Groups.

Extensibility
The system integrates applications via an open, secure XML-based API and supports third-party software integration using POSIX interfaces. It offers scripting-based device management for easier configuration deployment.

Integrated Security
ExtremeXOS provides network access control with authentication, Network Login/802.1x, and identity management. It protects against DoS attacks and secures management traffic with authentication and encryption.

Architectural Highlights
Features include memory protection, self-healing process recovery, dynamic loading of new functionalities, and scriptable CLI for automation. It supports dual-stack IPv4 and IPv6.

CPU Denial of Service Protection
The system detects and responds to DoS attacks targeting the switch CPU using traffic monitoring and dynamic ACLs.

Modular Operating System
ExtremeXOS allows preemptive scheduling and memory protection for independent OS processes, supporting process monitoring and automatic restart for increased network availability.

Ease of Management
It offers standards-based discovery and traffic flow monitoring for network visibility and simplifies VoIP deployment with auto-configuration of edge ports and phones.

Network Traffic Monitoring
Utilizes sFlow and IPFIX for comprehensive network traffic analysis, providing a scalable solution for monitoring high-speed network links.

Link Layer Discovery Protocol (LLDP)
Supports vendor-independent device discovery and integration with VoIP infrastructure, providing a framework for application-specific extensions without compatibility issues.

Universal Port
Offers event-driven activation of CLI scripts for dynamic security policies and VoIP auto-configuration.

Network Login Methods
Extreme Networks offers three methods for network login: 802.1x, Web-based, and MAC-based, each catering to different authentication needs.

MAC and IP Security
MAC Security allows port lockdown to specific MAC addresses, while IP Security protects against spoofing and man-in-the-middle attacks.

Switching and Network Resiliency
Supports a range of Layer 2 and Layer 3 protocols for network resiliency and forwarding control, including Spanning Tree Protocol, EAPS, and VRRP.

Data Center Features
Supports data center requirements with features like XNV for network virtualization, Direct Attach for network simplification, and Priority-based Flow Control for traffic management.

Key Features
ExtremeXOS supports MPLS and H-VPLS through licensable software modules, offering traffic engineering, management, and control.

Technical Specifications
Includes supported protocols for switching, management, traffic analysis, security, and network protection, covering IPv4 and IPv6 services, QoS, VLAN services, and more.

Security and Protection
Provides extensive security features, including SSH, SCP, SFTP, SNMPv3, RADIUS, and TACACS+ for authentication and encryption.

Data Center and Virtualization
Supports Direct Attach, Priority Flow Control, and ExtremeXOS Network Virtualization, enhancing its applicability in data center environments.

Conclusion
ExtremeXOS is a versatile and robust network operating system tailored for service providers, offering a wide range of features and protocols to ensure efficient and secure network operations.

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