CISCO3925E/K9 Cisco Router Mini-GBIC SFP 11 Expansion Slots - Rack-Mountable

Highlights of Cisco CISCO3925E/K9 3925E Services Router

The Cisco CISCO3925E/K9 is a high-performance 3925E Series integrated services router designed for enterprise-grade networking, secure WAN connectivity, and multiservice deployment. Featuring SFP support, modular expansion, and advanced routing capabilities, it delivers reliable performance for modern business infrastructure.

General Information

• Manufacturer: Cisco
• Part Number: CISCO3925E/K9
• Product Type: Integrated Services Router
• Sub Type: 4 Ports 3925E Services Router

Technical Specifications

Device Architecture & Design

• Device Type: Router
• Enclosure Type: Desktop modular chassis (3U rack-mount design)
• Connectivity: Wired networking infrastructure
• Status Indicators: Power and link activity LEDs

Network Protocol Support

• Data Link Protocols: Ethernet, Fast Ethernet, Gigabit Ethernet
• Network/Transport Protocols: IPsec, PPPoE, L2TPv3
• Routing Protocols: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, PIM-SSM, IGMPv3
• Additional Routing Features: Static IPv4/IPv6 routing, GRE tunneling, policy-based routing (PBR)

Advanced Networking Features

• Firewall protection for secure enterprise communication
• VPN support including DMVPN for remote connectivity
• MPLS support for scalable service provider networks
• Quality of Service (QoS) with CBWFQ and WRED algorithms
• Access Control List (ACL) filtering for traffic control
• IPv6 support for next-generation network readiness
• Syslog monitoring and content filtering capabilities

Standards Compliance

• IEEE 802.3 Ethernet standard compliance
• IEEE 802.1Q VLAN tagging support
• IEEE 802.1ah provider bridging architecture
• IEEE 802.1ag fault management standards

Memory & Storage Configuration

System Memory

• RAM: 1 GB installed (expandable up to 2 GB)
• Flash Memory: 256 MB installed (expandable up to 8 GB)
• Performance: Optimized for high-speed enterprise routing workloads

Storage Expansion

• CompactFlash card support for extended storage capacity
• Service module integration for additional functionality

Connectivity & Interface Options

WAN and Ethernet Ports

• 4 x 10/100/1000 Mbps Gigabit Ethernet RJ-45 ports
• Supports high-speed WAN and LAN connectivity

Management Interfaces

• 1 x Console RJ-45 port for device management
• 1 x Mini-USB Type-B console interface
• 1 x Auxiliary RJ-45 port for remote administration

USB and Fiber Connectivity

• 2 x USB Type-A ports (4-pin)
• 2 x SFP (Mini-GBIC) slots for fiber uplinks

Expansion Capabilities

Modular Slot Architecture

• 3 x EHWIC slots (High-Speed WAN Interface Cards)
• 3 x PVDM slots for voice and DSP modules
• 2 x Service Module (SM) slots
• Expandable CompactFlash storage slots

Remote Management & Monitoring

Network Administration Tools

• SNMP protocol for network monitoring
• RMON support for performance analysis
• Syslog event logging and diagnostics

Power Specifications

Electrical Requirements

• Power Supply: Internal power unit
• Voltage: AC 120/230V support
• Frequency: 50/60 Hz compatible

Overview of Cisco CISCO3925E/K9 Integrated Services Router

Cisco CISCO3925E/K9 3925E Series Integrated Services Router is a high-capacity enterprise networking platform engineered to deliver advanced routing performance integrated security services scalable modular expansion and reliable multi-service communication capabilities for organizations that require stable connectivity high throughput and long-term operational resilience across complex enterprise environments where network uptime data integrity and service continuity are essential for supporting mission-critical business applications distributed infrastructures and high-demand communication systems.

Advanced Integrated Services Router Architecture for Enterprise Networks

The Cisco 3925E/K9 router is built on a powerful integrated services architecture that combines routing security voice and application services into a unified platform enabling enterprises to simplify network infrastructure while maintaining high performance scalability and operational efficiency across multiple services ensuring seamless communication and consistent data flow within enterprise environments where multiple network functions must operate simultaneously without performance degradation or instability.

Unified Multi-Service Platform for Enterprise Deployment

The unified multi-service platform allows organizations to deploy routing security enforcement voice communication and application services within a single hardware system reducing infrastructure complexity while improving operational efficiency and ensuring that all integrated services work together seamlessly to provide stable high-performance networking across enterprise systems requiring continuous uptime and predictable performance under varying workloads.

Resource Coordination Across Network Services

Efficient resource coordination ensures that CPU memory and bandwidth are dynamically distributed across multiple services allowing balanced performance even under heavy network loads ensuring that no single service consumes excessive system resources while maintaining optimal performance across all active applications communication channels and security processes within enterprise environments.

High-Performance Routing Engine for Large-Scale Enterprise Traffic

Cisco CISCO3925E/K9 router delivers high-performance routing capabilities designed to manage large volumes of enterprise traffic efficiently ensuring fast packet forwarding low latency and consistent throughput across complex network infrastructures supporting distributed applications real-time communication cloud integration and enterprise resource planning systems that require stable and predictable performance across multiple network segments.

Packet Forwarding for High-Density Networks

Optimized packet forwarding enables the router to process large volumes of data traffic efficiently ensuring smooth communication across multiple applications and services even during peak network usage conditions where bandwidth demand is high and performance stability is critical for maintaining uninterrupted enterprise operations and system responsiveness.

Stable Throughput for Critical Business Applications

Stable throughput ensures that mission-critical applications maintain consistent performance without interruption supporting enterprise workloads such as database access cloud services collaboration tools and real-time communication systems that require continuous and reliable network connectivity across distributed infrastructures.

Integrated Voice and Unified Communication Support System

The Cisco 3925E/K9 router supports integrated voice and unified communication capabilities enabling enterprises to deploy VoIP systems IP telephony and collaboration platforms within a single network infrastructure ensuring seamless communication across distributed teams while improving operational efficiency reducing infrastructure complexity and enhancing user experience across enterprise communication systems.

VoIP Integration for Modern Enterprise Communication

VoIP integration allows enterprises to transmit voice communication over IP networks reducing dependency on traditional telephony systems while enabling scalable flexible and cost-efficient communication solutions that support remote work environments global collaboration and enterprise communication requirements across multiple geographical locations.

High-Quality Audio Transmission with Minimal Latency

High-quality audio transmission ensures clear communication by minimizing latency jitter and packet loss enabling enterprises to maintain reliable voice services that support customer interactions internal collaboration and mission-critical communication processes across distributed enterprise networks requiring consistent and high-quality voice performance.

Advanced Framework for Enterprise Protection

Cisco CISCO3925E/K9 router incorporates a comprehensive security framework designed to protect enterprise networks from cyber threats unauthorized access and data breaches ensuring secure communication across all network layers while maintaining high performance and enabling organizations to enforce strict security policies across distributed environments and mission-critical infrastructure systems.

Firewall and Intrusion Prevention System Integration

Firewall and intrusion prevention systems monitor network traffic in real time identifying and blocking malicious activity before it can affect system performance or compromise sensitive data ensuring a secure and resilient networking environment for enterprise operations that require continuous protection against evolving cyber threats.

Secure Data Encryption and Communication Integrity

Secure data encryption ensures that all transmitted information remains protected against interception or unauthorized access maintaining confidentiality integrity and compliance with enterprise security standards across all communication channels within distributed network infrastructures supporting secure enterprise operations.

High-Speed WAN Connectivity for Distributed Enterprise Networks

Cisco 3925E/K9 router provides high-speed WAN connectivity enabling enterprises to connect branch offices remote sites and centralized data centers efficiently ensuring stable communication and seamless data exchange across geographically distributed networks that require high availability consistent performance and uninterrupted connectivity for business-critical operations and communication systems.

Reliable WAN Edge Performance for Enterprise Connectivity

Reliable WAN edge performance ensures that communication between remote locations and central infrastructure remains consistent and efficient enabling enterprises to maintain operational continuity and support distributed business applications without interruption or degradation in network performance across interconnected systems.

Multi-Site Data Synchronization

Efficient multi-site data synchronization ensures accurate and timely sharing of information across enterprise locations enabling real-time collaboration centralized management and consistent data availability across all connected systems supporting operational efficiency and decision-making processes.

Modular Expansion with SFP SPE200 4GE and 3EHWIC 3DSP

Cisco CISCO3925E/K9 router features advanced modular expansion capabilities including SFP interfaces SPE200 processing modules 4GE connectivity 3EHWIC slots and 3DSP support enabling organizations to customize network infrastructure according to specific requirements ensuring scalability flexibility and long-term adaptability across evolving enterprise networking environments that demand high-performance modular solutions.

Flexible Interface Expansion

Flexible interface expansion allows enterprises to add various connectivity modules supporting different network technologies ensuring compatibility with existing infrastructure while enabling seamless integration of new services and applications without compromising system performance or operational stability across enterprise networks.

Scalable Hardware Architecture for Growing Enterprises

Scalable hardware architecture ensures that the router can adapt to increasing network demands additional users and expanding applications without requiring full system replacement enabling organizations to achieve cost efficiency long-term sustainability and continuous operational growth across enterprise infrastructure environments.

Quality of Service

Quality of Service capabilities in Cisco CISCO3925E/K9 router ensure intelligent traffic prioritization enabling critical applications such as voice communication real-time data processing and enterprise applications to receive higher priority while optimizing bandwidth usage for less critical traffic ensuring stable and efficient network performance under varying load conditions.

Dynamic Application-Aware Traffic Control

Dynamic application-aware traffic control enables the router to identify different types of network traffic and allocate resources accordingly ensuring that essential services maintain optimal performance while balancing bandwidth distribution across all applications and communication channels within enterprise environments.

Bandwidth Distribution Across Network Services

Efficient bandwidth distribution ensures that network resources are allocated effectively across multiple services preventing congestion and maintaining smooth operation across enterprise systems even during peak usage periods or high-demand scenarios requiring consistent performance and reliability.

Improved System Responsiveness Under Heavy Enterprise Loads

this router is engineered to maintain consistent system responsiveness even under heavy enterprise workloads ensuring that routing security voice and application services operate efficiently without latency or performance degradation whether handling large-scale data transfers multiple concurrent voice sessions or complex enterprise applications the system ensures stable throughput reliable performance and uninterrupted connectivity which is essential for maintaining productivity operational continuity and service reliability in enterprise environments requiring high-availability networking infrastructure.

Architecture for Sustainable Enterprise Networking

Cisco CISCO3925E/K9 router is designed with energy-efficient components that optimize power consumption while maintaining high-performance networking capabilities ensuring cost-effective operation and supporting sustainable IT infrastructure strategies for enterprises that require continuous uptime reliable performance and reduced operational energy costs across distributed network environments.

Continuous Operation

Optimized power management ensures that the router operates efficiently under varying workloads reducing energy consumption while maintaining consistent performance levels enabling enterprises to manage operational costs effectively while supporting environmentally responsible infrastructure deployment strategies across large-scale enterprise networks.

Durable Hardware for Long-Term Enterprise Reliability

Durable hardware ensures that the router can operate continuously in demanding enterprise environments providing long-term reliability minimizing hardware failures and ensuring stable performance across extended operational lifecycles where consistent network availability is critical for business continuity.

Seamless Integration with Enterprise Network Infrastructure

Cisco CISCO3925E/K9 router integrates seamlessly with existing enterprise network environments enabling compatibility with a wide range of devices software systems and management platforms ensuring smooth deployment efficient operation and consistent performance across all network segments and services within enterprise infrastructures requiring unified and reliable communication systems.

Deployment and Configuration Processes

Efficient deployment and configuration processes ensure that the router can be integrated into enterprise environments quickly and effectively reducing installation time minimizing downtime and enabling smooth transition into production environments without disrupting ongoing business operations or communication systems across distributed infrastructure.

Future-Ready Networking Platform for Enterprise Evolution

Cisco CISCO3925E/K9 router is designed to support future enterprise networking requirements providing scalability flexibility and advanced features that enable organizations to adapt to evolving technologies increasing workloads and changing business demands ensuring long-term value consistent performance and reliable operation across dynamic enterprise environments requiring modern and adaptable networking solutions.

Emerging Networking Technologies

Support for emerging networking technologies ensures compatibility with modern protocols applications and infrastructure developments enabling enterprises to adopt new solutions while maintaining stable secure and efficient network operations across all enterprise systems without compromising performance or reliability.