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

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Part Number#: CISCO3925E/K9
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Short Description:
CISCO3925E/K9 3925E Series 11 Expansion Slots SFP Mini-GBIC 10/100/1000Base-T Desktop Modular 3u 4 Ports Rack-Mountable Integrated Services Router | Made by Cisco | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco CISCO3925E/K9 Rack-Mountable Router

The Cisco 3925E Series is a part of Cisco's Integrated Services Router (ISR) family, renowned for delivering advanced networking and security services. These routers are engineered to provide high-performance connectivity and robust security features, making them suitable for a wide range of applications, from small to large enterprises. It is equipped with 11 expansion slots, allowing businesses to customize their network infrastructure according to their specific requirements. The 4-port router supports Small Form-Factor Pluggable (SFP) Mini-GBIC modules, enabling versatile connectivity options for different networking environments.

Key Features of Cisco CISCO3925E/K9 3925E Series RouterExpansion Slots

The Cisco CISCO3925E/K9 router comes equipped with 11 expansion slots, providing flexibility for adding various interface cards and modules. These expansion slots enable users to customize the router's capabilities according to their specific networking needs.

Small Form-Factor Pluggable (SFP) Mini-GBIC Support

SFP Mini-GBIC support allows for the integration of fiber-optic connectivity, enabling high-speed data transmission over long distances. This feature is crucial for networking setups that require reliable and high-bandwidth connections.

Rack-Mountable Design

The router is designed to be rack-mountable, making it suitable for deployment in data centers and network closets where space optimization is essential. The rack-mountable design facilitates easy installation and integration into existing network infrastructure.

10/100/1000Base-T Ethernet Ports

The inclusion of 10/100/1000Base-T Ethernet ports ensures compatibility with various network devices and facilitates seamless integration into Ethernet-based networks. These ports support gigabit Ethernet connectivity, enabling high-speed data transfer between devices.

Integrated Services

The Cisco CISCO3925E/K9 router offers integrated services such as security, voice, and wireless capabilities, consolidating multiple networking functions into a single platform. This integration streamlines network management and reduces complexity, resulting in cost and resource savings for organizations.

Security Features for the Cisco CISCO3925E/K9 3925E Series Router

Security is a top priority in modern networking environments, and the Cisco CISCO3925E/K9 router incorporates a range of security features to protect against various threats and vulnerabilities:

Firewall Protection

The router includes built-in firewall capabilities to inspect and control incoming and outgoing network traffic. By enforcing security policies at the network perimeter, the firewall helps prevent unauthorized access and protects against cyber threats.

Virtual Private Network (VPN) Support

VPN support allows for the establishment of secure, encrypted tunnels over public networks such as the Internet. This feature enables remote users to access corporate resources securely while maintaining confidentiality and data integrity.

Intrusion Prevention System (IPS)

The integrated intrusion prevention system (IPS) monitors network traffic for signs of suspicious or malicious activity. Upon detection, the IPS can take proactive measures to block or mitigate potential threats, helping to safeguard the network infrastructure from attacks.

Access Control Lists (ACLs)

Access control lists (ACLs) enable administrators to define granular policies for controlling traffic flow within the network. By specifying permitted and denied communication paths based on criteria such as IP addresses and port numbers, ACLs help enforce security and compliance requirements.

Integrated Services and Functionality

In addition to its hardware capabilities, the Cisco CISCO3925E/K9 router offers a comprehensive suite of integrated services and features designed to enhance network performance, security, and manageability. Some of the notable integrated services include:

  • Routing Protocols: The router supports a wide range of routing protocols, including Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Enhanced Interior Gateway Routing Protocol (EIGRP). These protocols enable dynamic routing and efficient traffic management across complex network topologies.
  • Security Features: Security is paramount in modern networks, and the Cisco CISCO3925E/K9 router incorporates advanced security features to safeguard against various threats and vulnerabilities. These features include firewall capabilities, virtual private network (VPN) support, intrusion prevention systems (IPS), and access control mechanisms.
  • Quality of Service (QoS): To prioritize critical applications and ensure optimal performance for voice, video, and data traffic, the router implements sophisticated QoS mechanisms. These mechanisms prioritize network traffic based on predefined criteria, such as application type, packet classification, and bandwidth requirements.
Deployment Considerations

When deploying the Cisco CISCO3925E/K9 router in enterprise environments, several factors should be taken into consideration to ensure optimal performance and reliability:

  • Network Design: Proper network design is essential for maximizing the efficiency and scalability of the Cisco CISCO3925E/K9 router. Organizations should carefully plan their network architecture, considering factors such as traffic patterns, bandwidth requirements, and redundancy options.
  • Redundancy and High Availability: To minimize downtime and mitigate single points of failure, redundant configurations should be implemented, including redundant power supplies, interface modules, and network links. High availability features such as Virtual Router Redundancy Protocol (VRRP) and Hot Standby Router Protocol (HSRP) can also enhance network resilience.
  • Security Policies: Implementing robust security policies and access controls is crucial for protecting sensitive data and preventing unauthorized access to network resources. Organizations should regularly update firmware and security patches, enforce strong authentication mechanisms, and conduct periodic security audits and assessments.
Applications for the Cisco CISCO3925E/K9 Router

The Cisco CISCO3925E/K9 router is suitable for various networking applications across different industries, including:

  • Enterprise Networks: The router is ideal for medium to large enterprises seeking reliable, high-performance networking solutions to support mission-critical applications and services.
  • Data Centers: With its rack-mountable design and scalability, the router is well-suited for data center environments where space optimization and scalability are paramount.
  • Service Providers: Service providers can leverage the router's advanced features and capabilities to deliver scalable and secure managed services to their customers, enhancing overall service quality and reliability.
  • Telecommunication Networks: Telecom operators can utilize the router to build robust and scalable network infrastructures to support a wide range of voice, data, and multimedia services for residential and business customers.
General Information of the Cisco CISCO3925E/K9 Desktop Router
  • Manufacturer: Cisco
  • Part Number or SKU# CISCO3925E/K9
  • Product Type: Desktop Router
Technical Information
  • Total Number of Ports: 4
  • USB: Yes
  • Management Port: Yes
  • Number of Broadband (RJ-45) Ports: 4
I/O Expansions
  • Number of Total Expansion Slots: 11
  • Expansion Slot Type: SFP (mini-GBIC)
  • Expansion Slot Type: HWIC
  • Expansion Slot Type: PVDM
Network & Communication
  • Network Technology: 10/100/1000Base-T
  • Standard Memory: 1 GB
  • Maximum Memory: 2 GB
  • Memory Technology: DRAM
  • Flash Memory: 256 MB
  • Memory Card Supported: CompactFlash (CF) Card


  • Firewall Protection
  • VPN Support
  • MPLS Support
  • Syslog Support
  • Content Filtering
  • IPv6 Support
  • Class-based Weighted Fair Queuing (CBWFQ)
  • Weighted Random Early Detection (WRED)
  • Access Control List (ACL) Support
  • Quality of Service (QoS)
  • Dynamic Multipoint VPN (DMVPN)

Power Description

  • PoE (RJ-45) Port: Yes
  • Input Voltage: 110 V AC, 220 V AC
  • Power Source: Power Supply

Finally, the Cisco CISCO3925E/K9 3925E Series Integrated Services Router stands out as a versatile and powerful networking solution. With its 11 expansion slots, SFP Mini-GBIC compatibility, rack-mountable design, 10/100/1000Base-T capabilities, and integrated ports, it caters to the diverse needs of modern businesses. Whether you are a small enterprise looking for scalability or a large organization seeking reliable performance, this router is designed to empower your network infrastructure. Cisco's commitment to innovation and quality is evident in the 3925E Series, making it a compelling choice for those looking to enhance their networking capabilities.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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