CISCO3925-V/K9 Cisco Integrated Services Router
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CISCO3925-V/K9 Cisco 3925 Series Integrated Services Router New

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Part Number#: CISCO3925-V/K9
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Short Description:
CISCO3925-V/K9 3900 Series 3 Ports 10/100/1000Base-T CompactFlash (CF) Card Supported Memory, 15 Expansion Slots Small Form-Factor Pluggable (SFP) (mini-GBIC) Gigabit Ethernet Integrated Services Router | Made by Cisco | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
Product Overview

The CISCO3925-V/K9 is a Cisco 3900 Series Integrated Services Router. It has 3 ports, including 2 Gigabit Ethernet ports and 1 service module slot. These routers are designed for medium to large-sized businesses and enterprise branch offices. They provide advanced security, voice, and wireless services, as well as support for application visibility and control. Additionally, the model comes with a VPN encryption module and an IP Base license, which includes support for IPv4 and IPv6 routing. It is an ideal router for organizations that require a high level of security, performance, and reliability, and that need advanced features such as voice and video, video conferencing, and wireless services. The Cisco CISCO3925-V/K9 is part of the 3900 Series, representing a family of Integrated Services Routers designed to offer advanced networking capabilities. With features like three ports supporting 10/100/1000Base-T, CompactFlash (CF) card support for memory, 15 expansion slots, and Gigabit Ethernet, this router is a versatile solution for various networking needs.

Understanding Integrated Services Routers

Integrated Services Routers (ISRs) are devices that combine the functionalities of a router with additional services such as security, voice, and application services. They serve as a central point for network management and play a crucial role in directing data traffic.

Features of Cisco CISCO3925-V/K9 3900 Series ISR3 Ports Supporting 10/100/1000Base-T

The router features three ports that support Gigabit Ethernet, providing high-speed connectivity for data transfer within the network.

CompactFlash (CF) Card Supported Memory

CompactFlash card support allows for the expansion of memory, facilitating storage for configurations, applications, and other essential data.

15 Expansion Slots

With 15 expansion slots, the router offers flexibility for adding various modules and interfaces, enabling customization to suit specific networking requirements.

SFP (mini-GBIC) Gigabit Ethernet

The inclusion of Small Form-Factor Pluggable (SFP) slots supports Gigabit Ethernet connectivity, offering versatile options for networking interfaces.

Importance of Cisco CISCO3925-V/K9 3900 Series ISR

Integrated Services Routers, especially from the 3900 Series, provide several advantages in networking environments:

Comprehensive Services

These routers integrate various services, including routing, security, voice, and application services, reducing the need for multiple devices and simplifying network management.


With 15 expansion slots, the Cisco CISCO3925-V/K9 allows for scalability, enabling organizations to adapt to changing network requirements.

High-Speed Connectivity

The presence of Gigabit Ethernet ports and SFP slots ensures high-speed connectivity, supporting efficient data transfer and communication.

Benefits of Cisco CISCO3925-V/K9 3900 Series ISRVersatility in Networking

The router's features, including multiple ports, memory expansion, and numerous expansion slots, contribute to its versatility in addressing various networking needs.

Customization with Expansion Slots

The availability of 15 expansion slots allows organizations to customize the router based on their specific requirements, enhancing flexibility.

Integrated Services

As part of the 3900 Series, this ISR integrates multiple services into a single device, streamlining network management and reducing complexity.

Use Cases for Cisco CISCO3925-V/K9 3900 Series ISREnterprise Networks

In large enterprise networks, the Cisco CISCO3925-V/K9 serves as a central hub, managing data traffic, and providing essential services such as security and voice.

Data Centers

For data centers requiring a robust and scalable networking solution, this ISR offers the flexibility and capabilities necessary for efficient data management.

Remote/Branch Offices

In remote or branch office setups, the router's versatility allows organizations to tailor its features to the specific needs of these locations.

Suitable Performance

The CISCO3925-V/K9 Cisco 3900 Series Integrated Services Router is designed to provide high performance and reliability for medium to large-sized businesses and enterprise branch offices.

In terms of performance, the model offers high-speed routing with a forwarding rate of up to 1.5 million packets per second (MPPs). It also has a large memory and processing power, allowing it to handle a large number of concurrent sessions and support advanced features such as VPN and QoS.

In terms of reliability, this item is built with redundant power supplies and fans, which ensures that the router continues to operate even if one of these components fails. Additionally, it supports advanced routing protocols such as OSPF and EIGRP, which provide fast convergence and high availability in the event of a network failure.

The model also provides advanced security features, such as a VPN encryption module and an IP Base license, which includes support for IPv4 and IPv6 routing, firewall, and intrusion prevention services, which can protect against various types of network threats.

Moreover, it also supports network management features such as Cisco Prime Infrastructure and Cisco DNA Center, which allow network administrators to monitor, troubleshoot, and manage the router remotely, which helps to improve the availability and uptime of the network.

Interface Provided for Digital Workplace

The model Cisco 3900 Series Integrated Services Router provides a variety of interfaces that can be used to connect to and support a digital workplace.

  • Ethernet ports: The CISCO3925-V/K9 has 2 Gigabit Ethernet ports, which can be used to connect to wired devices such as computers, servers, and switches.
  • Wireless Interface: It also supports wireless connectivity through the use of a service module slot, which allows you to add a wireless LAN controller module, providing access to wireless networks for mobile devices such as smartphones and tablets.
  • Voice Interface: The model also has a voice interface, which can be used to connect to and support IP telephony systems, allowing employees to make and receive phone calls over the Internet.
  • VPN Interface: It also supports VPN connectivity, which allows employees to securely connect to the network from remote locations, such as home offices or while traveling.
  • USB Interface: It also has a USB interface, which can be used to connect to external storage devices, such as flash drives or external hard drives, allowing employees to easily share and transfer files.
  • Management Interface: The model also has a management interface, which allows network administrators to monitor, troubleshoot, and manage the router remotely, which helps to improve the availability and uptime of the network.

All these interfaces work together to provide a seamless and secure digital workplace environment for employees, whether they are working in the office or remotely.

General Information about this Cisco CISCO3925-V/K9
  • Manufacturer: Cisco
  • Part Number or SKU# CISCO3925-V/K9
  • Product Series: 3900
  • Product Model: 3925
  • Product Type: Integrated Services Router
Technical Information of 3 Ports Router
  • License Type: UC License
Interfaces/Ports for Integrated Services Router
  • Total Number of Ports: 3
  • Management Port: Yes
I/O Expansions
  • Number of Total Expansion Slots: 15
  • Expansion Slot Type: HWIC
  • Expansion Slot Type: PVDM
  • Expansion Slot Type: SFP (mini-GBIC)
Network & Communication
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T
Management & Protocols
  • Security Features-
  • Cisco Security Manager
  • Cisco IOS Firewall
  • Cisco IOS Zone-Based Firewall
  • Cisco IOS IPS
  • Cisco IOS Content Filtering
  • Flexible Packet Matching (FPM)
  • AAA


  • Connectivity Technology: Wired
  • Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
  • Routing Protocol: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing
  • Remote Management Protocol: SNMP, RMON
  • Compliant Standards: IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, CAN/CSA-E60065-00, ICES-003 Class A, CS-03, AS/NZS 3548, FCC CFR47 Part 15, UL 60950-1, IEC 60950-1, EN 60950-1, CSA C22.2 No. 60065, BSMI CNS 13438, EN 300 386


  • Firewall protection, VPN support, MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED)

IP Telephony

  • Voice Codecs: G.711, G.722, G.723.1, G.728, G.729, G.729a, G.729ab, G.726

Expansion / Connectivity

  • Interfaces: 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45 Management: 1 x console - RJ-45 Management: 1 x console - mini-USB Type B Serial: 1 x auxiliary - RJ-45 USB: 2 x 4 pin USB Type A 2 x SFP (mini-GBIC)
  • Expansion Slots: 4 (total) / 4 (free) x HWIC 3 (total) / 2 (free) x PVDM 2 (total) / 1 (free) x CompactFlash 1 (total) / 1 (free) x expansion slot


  • Standard Memory: 1 GB
  • Maximum Memory Supported: 2 GB
  • Memory Technology: DRAM
  • Memory Card Supported: CompactFlash

Power Description

  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC
  • Input Voltage: 110 V AC, 220 V AC
  • Redundant Power Supply Supported: Yes

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 104 °F
  • Humidity Range Operating: 5 - 85%


  • Additional Information-
  • UC License PAK
  • Services Performance Engine (SPE) C3900-SPE100/K9
  • Compact Flash (external): Default 256MB
  • Compact Flash (external): Maximum 4 GB
  • Cisco Unified CCME Sessions: 250
  • Cisco Unified SRST Sessions: 730
  • Expansion Slots-
  • 2 x Service Module
  • 1 x Internal Services Module (ISM)

In summary, the Cisco CISCO3925-V/K9 3900 Series Integrated Services Router stands out as a versatile and powerful networking solution. With features like Gigabit Ethernet ports, CompactFlash card support, 15 expansion slots, and SFP slots, it addresses the diverse needs of modern networking environments. Whether deployed in large enterprise networks, data centers, or remote offices, this router offers scalability, high-speed connectivity, and integrated services, contributing to the efficiency and performance of the overall network infrastructure. As part of Cisco's 3900 Series, it exemplifies the capabilities of Integrated Services Routers in providing comprehensive solutions for complex networking requirements.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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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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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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