Cisco CISCO881-K9 Ethernet Router
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Cisco CISCO881-K9 5 Ports Security Router WAN and LAN Refurbished

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Part Number#: CISCO881-K9
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Short Description:
CISCO881-K9 881 Series 10/100Base-TX 5 Ports 128 Megabytes (MB) Flash Memory WAN and LAN interfaces Fast Ethernet Rack-Mountable Security Router | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco CISCO881-K9 5 Ports Security Router

The Cisco 881-K9 is a robust and versatile security router designed to meet the networking needs of businesses and organizations. In this detailed exploration, we will delve into its key features, specifications, and applications. From its physical attributes to its security capabilities, we aim to provide a comprehensive understanding of the Cisco 881-K9 5-ports router.

Key Features of Fast Ethernet Rack-Mountable Security Router

  • Ports and Connectivity: The Cisco 881-K9 boasts five 10/100Base-TX ports, ensuring reliable and high-speed connectivity for various devices. These ports support Fast Ethernet, enabling seamless data transfer within the network. The router is designed to facilitate multiple connections, making it suitable for small to medium-sized networks.
  • Memory and Storage: With 128 Megabytes (MB) of Flash Memory, the Cisco 881-K9 provides ample space for storing configuration files, operating systems, and other essential data. This ensures efficient performance and quick access to critical information. The Flash Memory also allows for easy upgrades and expansions, enhancing the router's adaptability to evolving network requirements.
  • Rack-Mountable Design: The Cisco 881-K9 features a rack-mountable design, allowing for easy integration into existing network setups. This space-saving design is ideal for data centers and network closets where efficient use of space is crucial. The router's physical dimensions and form factor contribute to its versatility, making it suitable for various deployment scenarios.

Deployment Scenarios

Versatility in Deployment

The Cisco 881-K9's design and capabilities make it suitable for various deployment scenarios. Whether it's a small office, branch location, or part of a larger network infrastructure, this router adapts to different environments, providing consistent and reliable performance.

Rack-Mountable Design

The rack-mountable design of the Cisco 881-K9 adds to its versatility. Organizations can easily integrate this router into their existing rack systems, optimizing space utilization in data centers or network closets.

Detail Specifications of 5 ports Router

  • Security Capabilities: The Cisco 881-K9 is equipped with advanced security features to safeguard network integrity and data confidentiality. It supports various security protocols such as IPsec VPN (Virtual Private Network) and SSL VPN, ensuring secure communication over the network. Additionally, the router incorporates firewall capabilities to prevent unauthorized access and protect against potential threats.
  • Power Source: The Cisco 881-K9 router operates with an AC Adapter power source. This ensures consistent and reliable power, reducing the risk of disruptions and downtime. The choice of an AC Adapter enhances the router's compatibility with standard power sources, making it suitable for deployment in diverse environments.
  • Quality of Service (QoS): Ensuring optimal performance for critical applications is essential in any network. The Cisco 881-K9 supports Quality of Service (QoS) mechanisms, allowing administrators to prioritize network traffic based on application requirements. This ensures that bandwidth is allocated efficiently, enhancing the overall user experience and network performance.

Networking Capabilities

Fast Ethernet Support

The Cisco 881-K9 router supports Fast Ethernet, a standard that enables high-speed data transfer within a local network. With Fast Ethernet support on LAN interfaces, the router ensures that internal communication within an organization occurs at optimal speeds, enhancing overall network efficiency.

WAN Connectivity

The inclusion of WAN interfaces is a crucial feature for routers, allowing organizations to connect to external networks, such as the internet or other remote locations. The Cisco 881-K9's WAN interfaces provide reliable and secure connectivity, ensuring seamless communication with the outside world.

Security Features

Robust Security Measures

Security is a top priority in today's interconnected world, and the Cisco 881-K9 doesn't fall short in this aspect. The router is equipped with advanced security features to safeguard data and networks. This includes features such as firewall capabilities, VPN (Virtual Private Network) support, and intrusion prevention mechanisms.

Access Control

The Cisco 881-K9 allows for precise control over network access through features like access control lists (ACLs). This enables administrators to define rules and policies, regulating the flow of traffic within the network and enhancing overall security.

Routing Capabilities

Efficient Routing

As a router, the Cisco 881-K9 excels in efficiently directing data traffic between different networks. Its routing capabilities ensure that data packets reach their intended destinations accurately and on time, optimizing overall network performance.

Quality of Service (QoS)

The router supports Quality of Service (QoS) mechanisms, allowing administrators to prioritize certain types of traffic over others. This is particularly beneficial in environments where specific applications or services require higher priority for a seamless user experience.


  • Small to Medium-Sized Businesses (SMBs): The Cisco 881-K9 is well-suited for small to medium-sized businesses seeking a reliable and secure networking solution. Its compact design, robust security features, and versatile connectivity options make it an ideal choice for businesses with moderate network requirements.
  • Remote Connectivity: Given its VPN support, the Cisco 881-K9 is an excellent choice for organizations with remote offices or employees requiring secure access to the corporate network. The router's VPN capabilities enable encrypted communication over the internet, ensuring data confidentiality and integrity for remote users.
  • Branch Offices: Branch offices often require a secure and efficient networking solution. The Cisco 881-K9's combination of security features, multiple ports, and rack-mountable design makes it suitable for deployment in branch office environments. It can serve as a reliable gateway, connecting branch offices to the main network securely.
WAN and LAN Interfaces

The CISCO881-K9 Cisco 881 router has both WAN and LAN interfaces.

The WAN interface is a 10/100 Mbps Ethernet port, which can be used to connect the router to the internet or to an external network. This interface can be used to connect to various types of WAN connections such as DSL, cable, T1, and Ethernet.

The LAN interfaces consist of 5 Fast Ethernet ports, which can be used to connect the router to local devices such as computers, printers, and servers. These ports support a data transfer rate of up to 100 Mbps.

The LAN interfaces on the Cisco 881 router support various features such as VLANs, which can be used to segment the network and improve security. They also support Quality of Service (QoS) features, which can be used to prioritize traffic and ensure that important applications get the necessary bandwidth.

General Information for the Cisco 5-port Security Router

  • Manufacturer: Cisco
  • Model Number or SKU# CISCO881-K9
  • Product Type: Router

Technical Information of 5 Ports Router

  • Total Number of Ports: 5
  • Network Technology: 10/100Base-TX
  • Ethernet Technology: Fast Ethernet
  • Form Factor: Rack-Mountable


  • Standard Memory: 256 MB
  • Maximum Memory: 768 MB
  • Memory Technology: DRAM
  • Flash Memory: 128 MB
Power Description
  • Power Source: AC Adapter

In conclusion, the CISCO881-K9 from the 881 Series stands out as a reliable and feature-rich router that caters to the diverse networking needs of businesses. Its hardware specifications, security features, and versatility make it a valuable asset for small to medium-sized businesses, branch offices, and remote work environments. Whether used for basic internet connectivity or as a key component in complex network infrastructure, the CISCO881-K9 delivers on its promise of efficiency, security, and scalability. With proper setup, configuration, and maintenance, this router proves to be a robust solution for the dynamic challenges of modern networking.

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.

Here, you can check more available conditions of your desired product CISCO881-K9 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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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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