CISCO3925E/K9 Cisco ISR 3925E Series 4 Ports Integrated Services Router

Highlights of Cisco CISCO3925E/K9 Integrated Services Router

The Cisco CISCO3925E/K9 is a high-performance integrated services router designed for enterprise-grade networking, scalability, and secure data communication. Built on the Cisco 3925E Series platform, it delivers advanced routing, WAN optimization, and multiservice capabilities for modern business environments

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: Desktop modular chassis (3U form factor)
• Connectivity Type: Wired networking infrastructure
• Status Indicators: Link activity and power status LEDs

Networking Protocol Support

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

Advanced Network Features

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

Standards Compliance

• IEEE 802.3 Ethernet standards
• IEEE 802.1Q VLAN tagging support
• IEEE 802.1ah provider backbone bridging
• IEEE 802.1ag connectivity fault management

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 multiservice routing

Storage & Expansion

• CompactFlash card support for additional storage
• Service module expansion capability

Connectivity & Interfaces

WAN and LAN Ports

• 4 x 10/100/1000 Mbps Gigabit Ethernet RJ-45 ports

Management Interfaces

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

USB and Optical Connectivity

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

Expansion Capabilities

Modular Slot Configuration

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

Remote Management & Control

Network Administration Tools

• SNMP support for remote monitoring
• RMON for advanced network diagnostics
• Syslog support for event tracking and logging

Power Specifications

Electrical Requirements

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

Overview of Cisco CISCO3925E/K9 3925E Services Router

Cisco CISCO3925E/K9 3925E Series Integrated Services Router is a high-performance enterprise networking platform designed to deliver advanced routing capabilities, integrated services, and scalable infrastructure for organizations that require reliable connectivity, secure communication, and efficient data processing across complex network environments where performance, stability, and long-term operational efficiency are critical for supporting business applications, distributed offices, and mission-critical enterprise workloads.

Advanced Integrated Services Router Architecture for Enterprise Networks

The Cisco 3925E/K9 router is built on an advanced 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 and scalability across multiple services ensuring consistent and efficient operation in environments where multiple network functions must operate simultaneously without compromising reliability or throughput.

Unified Networking Platform for Multi-Service Deployment

The unified networking platform allows organizations to deploy routing, security enforcement, voice communication, and application delivery services within a single device reducing hardware complexity and improving operational efficiency while ensuring that all integrated services work together seamlessly to deliver consistent performance across enterprise environments that require high availability and stable network operations.

Efficient Resource Sharing Across Integrated Services

Efficient resource sharing ensures that CPU memory and network bandwidth are dynamically allocated across different services enabling balanced system performance even during high traffic loads ensuring that no single service consumes excessive resources while maintaining optimal performance across all active network functions within enterprise environments.

High-Performance Routing Engine for Enterprise Connectivity

Cisco CISCO3925E/K9 router delivers high-performance routing capabilities designed to handle large-scale enterprise traffic efficiently ensuring fast packet forwarding low latency and consistent throughput across complex network infrastructures supporting distributed applications real-time communication and high-volume data processing requirements in modern enterprise environments.

Packet Processing for Heavy Network Loads

Optimized packet processing enables the router to handle large volumes of data traffic efficiently ensuring smooth and uninterrupted communication across multiple applications and services even during peak usage periods where network demand is high and performance stability is critical for maintaining business continuity.

Stable Throughput for Mission-Critical Applications

Stable throughput ensures that enterprise applications continue operating without disruption maintaining consistent performance for critical workloads such as data centers cloud services and enterprise resource planning systems that require reliable network connectivity and predictable performance under varying traffic conditions.

Integrated Voice and Unified Communication

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

VoIP and IP Telephony Integration for Enterprises

VoIP and IP telephony 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 modern business needs including remote work collaboration and global communication requirements.

High-Quality Voice Transmission with Low Latency

High-quality voice transmission ensures clear communication by minimizing latency jitter and packet loss allowing enterprises to maintain reliable voice services that support customer engagement internal collaboration and mission-critical communication across distributed enterprise networks.

Advanced Framework for Enterprise Protection

Cisco CISCO3925E/K9 router includes a robust security framework that protects 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 critical infrastructure systems.

Firewall and Intrusion Prevention Systems

Firewall and intrusion prevention systems provide real-time monitoring and filtering of network traffic ensuring that malicious activity is detected and blocked before it can affect system performance or compromise sensitive data maintaining a secure and stable networking environment for enterprise operations.

Secure Data Encryption and Communication Protection

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 environments.

High-Speed WAN Connectivity for Enterprise Branch 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 reliable performance and continuous uptime for business operations and collaboration systems.

Reliable WAN Edge Performance for Distributed Systems

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 performance degradation across network segments.

Data Synchronization Across Locations

Efficient data synchronization ensures that information is accurately and quickly shared across multiple enterprise locations enabling real-time collaboration centralized management and consistent data availability across all connected systems and users within the network infrastructure.

Modular Expansion and Scalable Network Design

Cisco CISCO3925E/K9 router features a modular architecture that supports expansion through additional interface modules and service cards enabling organizations to scale their network infrastructure as business needs grow ensuring flexibility adaptability and long-term investment protection for enterprise networking environments requiring continuous expansion and technological upgrades.

Flexible Interface and Service Module Integration

Flexible interface integration allows enterprises to customize network configurations by adding different connectivity modules supporting various technologies and enabling seamless compatibility with existing infrastructure while maintaining high performance and operational efficiency across all network components.

Scalable Infrastructure for Growing Enterprises

Scalable infrastructure ensures that the router can adapt to increasing workloads additional users and expanded network requirements without requiring complete system replacement providing cost-effective scalability and long-term operational efficiency for enterprise networks.

Quality of Service Optimization for Traffic Prioritization

Quality of Service capabilities in Cisco CISCO3925E/K9 router ensure intelligent traffic prioritization allowing critical applications such as voice communication real-time data 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.

Application-Aware Traffic Management System

Application-aware traffic management 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 network applications and services within enterprise environments.

Efficient Bandwidth Across Network Services

Efficient bandwidth utilization ensures that network resources are distributed effectively across multiple applications preventing congestion and maintaining smooth operation across enterprise systems even during peak traffic periods or high-demand scenarios.

Improved System Responsiveness Under Heavy Workloads

this router is engineered to maintain consistent system responsiveness even under heavy workloads ensuring that routing security voice and integrated 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 and operational continuity in enterprise environments requiring high availability network infrastructure.

Enterprise Sustainability

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 and reliable network services across distributed environments.

Consumption for Continuous Operation

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

Durable Hardware for Long-Term Enterprise Reliability

Durable hardware ensures that the router can operate continuously in demanding enterprise environments providing long-term reliability and minimizing hardware failures that could disrupt critical network services ensuring stable and dependable performance across extended operational lifecycles.

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.

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 ensuring smooth transition into production environments without disrupting ongoing business operations.

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 and consistent performance across dynamic enterprise environments.

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 environments.