Cisco CISCO857-K9 4 Port Router
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Cisco CISCO857-K9 857 Series Integrated Services Router 4 Refurbished

Availability: In Stock
Part Number#: CISCO857-K9
List Price was: $803.85
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Short Description:
CISCO857-K9 857 Series Integrated Services 4 Ports 10/100Base-TX Wall Mountable Fast Ethernet Router | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Introduction of the Cisco CISCO857-K9

In the world of networking, the Cisco CISCO857-K9 stands out as a versatile and powerful solution. This comprehensive guide will walk you through the essential details of the CISCO857-K9, a member of the 857 Series Integrated Services Routers. Whether you are an IT professional or an enthusiast exploring networking technologies, this guide aims to provide a clear and detailed understanding of the features and capabilities of the CISCO857-K9.

  • In the realm of networking equipment, the Cisco CISCO857-K9 stands out as a robust and versatile solution. This router, belonging to the 857 Series Integrated Services, is designed to meet the demands of small to medium-sized businesses, offering essential features for efficient connectivity. In this comprehensive exploration, we delve into the key aspects of the CISCO857-K9, emphasizing its specifications, functionalities, and the benefits it brings to the table.
Key Specifications Ports and Connectivity

The CISCO857-K9 comes equipped with four ports supporting 10/100Base-TX, ensuring fast and reliable Ethernet connections. These ports facilitate seamless communication between devices within the network, enhancing overall data transfer speeds and network efficiency.

Performance and Speed

The CISCO857-K9 router is designed to deliver optimal performance, thanks to its capable hardware. With support for fast Ethernet, it ensures that data is transmitted at high speeds, meeting the demands of modern networks. Businesses relying on timely data exchange will find the router's speed capabilities crucial for their operations.

Security Features

Security is a paramount concern in today's digital landscape, and the CISCO857-K9 addresses this by incorporating robust security features. These may include firewall capabilities, Virtual Private Network (VPN) support, and intrusion prevention mechanisms. This multi-layered security approach safeguards the network against potential threats, ensuring data integrity and confidentiality.

Quality of Service (QoS)

To prioritize and manage network traffic effectively, the CISCO857-K9 router supports Quality of Service (QoS) features. This functionality allows administrators to allocate bandwidth based on the importance of different types of data, ensuring that critical applications receive the necessary resources for optimal performance.

Integration of Services

The 857 Series by Cisco is characterized by its integration of various services into a single, compact device. This consolidation of functions simplifies network management and reduces the need for multiple devices, making it an ideal choice for businesses with limited space and resources.

Wall Mountable Design

One notable feature of the CISCO857-K9 is its wall-mountable design. This attribute is particularly advantageous for environments where floor space is limited or where wall mounting is the preferred setup. The flexibility in installation options adds to the router's adaptability to various infrastructural layouts.

Functionalities Routing Capabilities

At its core, the CISCO857-K9 is a routing powerhouse. It enables the efficient transfer of data between devices within the network and facilitates communication with external networks. The router's routing capabilities are crucial for ensuring that data reaches its destination accurately and promptly.

Network Address Translation (NAT)

Network Address Translation is a fundamental feature for conserving IP addresses and enhancing network security. The CISCO857-K9 incorporates NAT functionality, allowing multiple devices within a local network to share a single public IP address. This not only aids in address management but also adds a layer of security by hiding internal IP addresses from external entities.

Wireless Connectivity

In addition to its wired capabilities, the CISCO857-K9 may offer optional wireless connectivity options. This feature is especially relevant in environments where wired connections are impractical or when supporting mobile devices is crucial. The inclusion of wireless capabilities broadens the router's utility, providing flexibility in network access.

Benefits for Small to Medium-Sized Businesses Cost-Effective Solution

For small to medium-sized businesses with budget constraints, the CISCO857-K9 proves to be a cost-effective networking solution. Its integration of multiple services into a single device eliminates the need for investing in separate pieces of equipment, reducing overall costs while maintaining essential functionalities.

Space Efficiency

The compact and wall-mountable design of the CISCO857-K9 makes it an excellent choice for businesses with limited physical space. This space efficiency is a critical factor in scenarios where network equipment needs to be deployed in confined areas, such as retail spaces or small offices.


As businesses grow, so do their networking needs. The CISCO857-K9 offers scalability, allowing organizations to expand their network infrastructure without the need for a complete overhaul. This scalability ensures that the router can adapt to the evolving requirements of a growing business.

Use Cases Small to Medium-sized Businesses

The Cisco857-K9 router is well-suited for small to medium-sized businesses that require a reliable and high-performance networking solution. Its integrated services and robust design make it an ideal choice for creating a secure and efficient network infrastructure.

Remote Offices

With its wall-mountable design and versatile features, the router is suitable for deployment in remote offices. It ensures seamless connectivity and allows remote offices to securely access the main network resources.

Security Features Firewall Protection

The Cisco857-K9 router incorporates robust firewall protection, safeguarding the network against unauthorized access and potential security threats.

Virtual Private Network (VPN) Support

VPN support enhances the security of data transmission over the network, making it suitable for businesses that prioritize data confidentiality.

General Information about this Cisco CISCO857-K9
  • Manufacturer: Cisco
  • Model Number or SKU# CISCO857-K9
  • Product Type: 857 Integrated Services Router
  • Product Model: 857
Interfaces/Ports of 4 Ports Router
  • Management Port: Yes
  • Number of Network (RJ-45) Ports: 4
  • Carrier Supported: DSL
  • Broadband Transmission Technology: ADSL
Network and Communication
  • Network Technology: 10/100Base-TX
  • Ethernet Technology: Fast Ethernet
Management and Protocols: Security Features
  • Stateful Inspection Firewall
  • IP Security (IPSec) VPN support
  • Hardware-accelerated Triple Data Encryption Standard (3DES) for IPSec
  • Hardware-accelerated Advanced Encryption Standard (AES) for IPSec
  • IPSec 3DES termination/initiation
  • IPSec pass-through
  • 5 VPN Tunnels
  • Point-to-Point Tunneling Protocol (PPTP) pass-through
  • L2TP pass-through
  • Advanced Application Inspection and Control
  • E-mail Inspection Engine
  • No Service Password Recovery
  • HTTP Inspection Engine
  • System Logging-EAL4 Certification Enhancements
  • Standard Memory: 64 MB
  • Maximum Memory: 64 MB
  • Memory Technology: DRAM
  • Flash Memory: 20 MB
Power Description
  • Input Voltage: 110 V AC, 220 V AC
  • Power Source: Power Supply

In summary, the Cisco CISCO857-K9 857 Series Integrated Services Router stands as a reliable and feature-rich solution for small to medium-sized businesses seeking efficient and cost-effective networking. Its integration of services, versatile connectivity options, and robust security features make it a compelling choice in the realm of networking equipment. Whether mounted on a wall or placed on a desktop, the CISCO857-K9 exemplifies Cisco's commitment to delivering quality networking solutions tailored to the diverse needs of modern businesses.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(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;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

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).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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Important notes:

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