CISCO2821 Cisco Integrated Services Router
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CISCO2821 Cisco 2 Ports Integrated Router Refurbished

Availability: In Stock
Part Number#: CISCO2821
List Price was: $453.85
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Short Description:
CISCO2821 Integrated Services Router 2 Ports with AC PWR, 2GE, 4HWICs, 3PVDM, 1NME-X, 2AIM, IP BASE, 128F/512D | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

More Information

The Cisco 2821 is a router that is part of Cisco's 2800 series of Integrated Services Routers. These routers are designed for small-to-medium sized businesses, as well as enterprise branch offices. The Cisco 2821 is a modular router that can be configured with various WAN interfaces, including T1/E1, ISDN, and DSL, as well as a variety of LAN interfaces, such as Ethernet and Fast Ethernet. It also has a built-in VPN (Virtual Private Network) support, firewall and support for QoS (Quality of Service) to prioritize specific types of network traffic. It also supports a wide range of advanced features, such as IP telephony, wireless connectivity, and network security. This router support both the traditional IOS and the newer IOS-XE which increases its reliability and scalability. It can provide a voice,video, data, and security services all in one box, and it is a good fit for enterprise branch or small offices.

Performance and Reliability

The Cisco 2821 is designed to provide high performance and reliability for small-to-medium sized businesses and enterprise branch offices.

In terms of performance, the router is equipped with a powerful CPU and has a large amount of memory, which allows it to handle a high amount of routing and switching traffic. It also supports advanced Quality of Service (QoS) features that allow you to prioritize critical network traffic and prevent network congestion.

In terms of reliability, the Cisco 2821 includes several features to help ensure that your network remains up and running. For example, it supports redundancy through Hot Standby Router Protocol (HSRP), which allows for automatic failover in the event of a primary router failure. Additionally, it supports several VPN technologies, such as IPSec and Secure Sockets Layer (SSL), to help secure your network from unauthorized access and keep your data safe.

The Cisco 2821 also has a wide range of physical interfaces that provide multiple options for WAN and LAN connections, and the router is built with a modular design that allows for easy expansion and upgrades. All of these features ensure that the 2821 can handle the demands of a busy network and provide high level of performance and reliability.

Interface Provided for Digital Workplace

The Cisco 2821 Integrated Services Router provides a variety of interfaces to support different types of network connections and services, making it suitable for use in a digital workplace.

One of the most notable interfaces provided on the Cisco 2821 is the Gigabit Ethernet interface. This interface can be used to connect the router to other network devices, such as switches and servers, at speeds of up to 1000Mbps. This allows for fast and efficient data transfer between devices on the network.

Another important interface provided on the Cisco 2821 is the serial interface. This interface can be used to connect the router to other network devices or service providers using serial cables. This interface can be used for a variety of purposes, such as connecting to a WAN or a leased line for Internet access.

The router also provides an ISDN interface, which is a digital phone line that can be used for WAN connectivity and remote access. This interface can be used as a backup for primary WAN link or as a primary link in some cases.

The Cisco 2821 also has USB ports that can be used to connect USB storage devices, such as flash drives, for storing backups of the router's configuration and other important data.

All those interfaces are manageable and configurable via the Cisco IOS software which allows for advanced features and customization with the software, as well as providing CLI and web GUI interfaces for easy configuration and management.

General Information about this Cisco CISCO2821

  • Manufacturer: Cisco
  • Part Number or SKU# CISCO2821
  • Product Series: 2800
  • Product Model: 2821
  • Product Type: Integrated Services Router

Interfaces/Ports for Integrated Services Router

I/O Expansions of 2 Ports Router

  • Number of Total Expansion Slots: 12
  • Expansion Slot Type: AIM
  • Expansion Slot Type: HWIC
  • Expansion Slot Type: NME-X
  • Expansion Slot Type: PVDM
  • Expansion Slot Type: EVM

Network & Communication

  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T


  • Standard Memory: 256 MB
  • Maximum Memory Supported: 1GB
  • Memory Technology: DRAM
  • Flash Memory: 64 MB
  • Memory Card Supported: Compact Flash

Power Description

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

Dimensions & Weight

  • Compatible Rack Unit: 2U
  • Form Factor: Rack-mountable
  • Height: 3.5 Inch
  • Width: 17.3 Inch
  • Depth: 16.4 Inch
  • Weight (Approximate): 25 Lbs


  • Package Contents-
  • 2821 Integrated Services Router
  • Cisco 2800 IP BASE W/O CRYPTO (S28NIPB-12403)
  • Power Cord 110V (CAB-AC)
  • Cisco 2821/51 AC power supply (PWR-2821-51-AC)
  • 256MB DDR DRAM Memory (MEM2800-256D-INC)
  • 64MB CF Card(MEM2800-64CF-INC)
  • Device manager for routers (ROUTER-SDM)
  • Rack-mount brackets with screws for 19-inch racks
  • Ground lug and two mounting screws
  • Cable management bracket
  • RJ-45-to-DB-9 console cable
  • RJ-45-to-DB-25 modem cable
  • Cisco 2800 Series Integrated Services Routers Quick Start Guide
  • Cisco 2800 Series Integrated Services Routers Regulatory Compliance and Safety Information document
  • Cisco Router and Security Device Manager (SDM) Quick Start Guide
  • Product Registration card and card
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 CISCO2821 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.
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.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

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Estimated delivery time: 4-7 business days

UPS 3 Day Select®
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UPS 2nd Day Air®
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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
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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®
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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:

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