Cisco CISCO831-K9 Networking Router Wireless
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CISCO831-K9 Cisco 831 Broadband Ethernet Router Refurbished

Availability: In Stock
Part Number#: CISCO831-K9
List Price was: $338.46
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You Save: $250.46 (74% off)

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Short Description:
CISCO831-K9 831 Broadband Ethernet Wireless 4 ports Router | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Performance and Throughput Capabilities of Wireless

The CISCO831-K9 Cisco 831 Broadband Ethernet Router is a compact, high-performance router that is designed for use in small office and home office (SOHO) environments. It supports 10/100Mbps Ethernet interfaces and delivers high-performance routing capabilities with support for up to 8Mbps of throughput. This router is also equipped with Quality of Service (QoS) features that help to prioritize and manage network traffic, allowing for smooth and efficient data transfer. Additionally, the router supports advanced security features such as Network Address Translation (NAT) and Virtual Private Network (VPN) capabilities, allowing for secure remote access to the network.

Remote Management and Access

The Cisco 831 Broadband Ethernet Router (CISCO831-K9) offers several remote management and access options to allow administrators to monitor and configure the device remotely. One of the primary methods of remote access is through the use of a web-based interface, which can be accessed via a web browser. This interface allows administrators to view device status, configure settings, and perform basic troubleshooting tasks. Additionally, the router also supports the use of Simple Network Management Protocol (SNMP) for remote monitoring and management, allowing administrators to monitor the device's performance and troubleshoot issues remotely. The router also supports Telnet and SSH for command-line access. Remote management can be done through the use of Cisco Configuration Professional (CCP), a web-based application that allows administrators to configure, troubleshoot, and manage Cisco routers and switches remotely.

Interoperability and Compatibility

The Cisco 831 Broadband Ethernet Router is designed to be interoperable and compatible with a wide range of networking equipment and protocols. It supports multiple WAN interfaces, including Ethernet, serial, and ISDN, allowing it to connect to a variety of service providers and networks. Additionally, it supports common routing protocols such as OSPF, EIGRP, and BGP, making it easy to integrate into existing networks. The router also supports Quality of Service (QoS) features, allowing for efficient and reliable delivery of critical applications and services. Additionally, it supports VPN functionality, allowing secure remote access to the network. Overall, the Cisco 831 is a versatile and flexible router that is well-suited for small and medium-sized businesses, branch offices, and teleworker sites.

Deployment and Configuration Options

The Cisco 831 Broadband Ethernet Router (CISCO831-K9) is a compact and versatile router designed for small businesses, remote sites, and telecommuters. It offers a wide range of deployment and configuration options to meet different needs and network environments. Some of the main options include:

  • WAN connectivity: The router supports various WAN interfaces such as Ethernet, serial, and ISDN BRI. This allows it to connect to different types of broadband services, including DSL, cable, and T1/E1.
  • LAN connectivity: The router has a built-in 4-port 10/100 Ethernet switch, which can be used to connect to LAN devices such as PCs, servers, and printers. Additionally, it supports VLANs, which can be used to segment the LAN and improve security and performance.
  • Routing protocols: The router supports a variety of routing protocols such as RIP, OSPF, and BGP. This allows it to exchange routing information with other routers in the network and make routing decisions based on different metrics and policies.
  • Quality of Service (QoS): The router supports different QoS features such as traffic shaping, congestion management, and priority queuing. This can be used to control the bandwidth and delay of different types of traffic and ensure that critical applications get the resources they need.
  • VPN: The router supports VPN functionality, which allows remote users to securely access the network over the internet. It supports both site-to-site and remote-access VPNs, and can use different protocols such as IPSec and L2TP.
  • Security: The router supports a range of security features such as firewall, ACLs, and VPN to protect the network from unauthorized access and attacks.

With these deployment and configuration options, the Cisco 831 Broadband Ethernet Router can be tailored to the specific needs of different environments and networks.

General Information about this Cisco ASR5K-4OC3C-MM-K9

  • Manufacturer Cisco Systems, Inc
  • Manufacturer Part Number : ASR5K-4OC3C-MM-K9
  • Brand Name: Cisco


  • Cisco 831 Broadband Ethernet Router.


  • Product Description: Cisco 831 Ethernet Broadband Router - Router
  • Device Type: Router + 4-Port Switch (Integrated)
  • Form Factor: External
  • Processor: Motorola
  • Routing Protocol: OSPF, IGRP, RIP-1, RIP-2, BGP, EIGRP
  • Features: Firewall Protection, DHCP SUPPORT, NAT SUPPORT, VPN, PAT SUPPORT, SYSLOG SUPPORT, DOS Attack Prevention


  • Connectivity Technology: WIRED
  • Integrated Switch: 4-PORT Switch
  • Data Transfer Rate: 100 MBPS
  • Data Link Protocol: Ethernet, FAST ETHERNET
  • Network / Transport Protocol: PPTP, IPSEC, PPPOE
  • Remote Management Protocol: SNMP, TELNET
  • Status Indicators: Port Status, Power, LINK OK, TRANSMIT, RECEIVE


  • RAM: 64 MB (INSTALLED) / 80 MB (MAX)
  • Flash Memory: 12 MB (INSTALLED) / 24 MB (MAX)

Expansions And Connectivity

  • Interfaces: 4 X Network - Ethernet 10BASE-T/100BASE-TX - RJ-45
  • 1 X Network - Ethernet 10BASE-T - RJ-45 (WAN)
  • 1 X Management - Console - RJ-45


  • Power Device: Power Adapter - External
  • Voltage Required: AC 120/230 V (50/60 HZ)
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.

Please choose your location for calculate shipping cost.


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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.