Cisco CISCO2851 2 Ports Router
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Cisco CISCO2851 2 Ports Integrated Service Router Ethernet Refurbished

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Part Number#: CISCO2851
List Price was: $865.38
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Short Description:
CISCO2851 2 Ports Alternating Current (AC) Power 2 Gigabit Ethernet (GE) 4HWIC-3PVDM 1NME-XD 2AIM IP BASE 64F/256D 2851 Integrated Service Router | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco 2 Ports Integrated Service Router

In the realm of networking and information technology, routers play a pivotal role in ensuring seamless communication and data transfer. The Cisco CISCO2851, with its 2 Ports Integrated Service Router Ethernet, stands as a testament to Cisco's commitment to delivering high-performance networking solutions. In this comprehensive exploration, we will delve into the key features, capabilities, and applications of the CISCO2851, demystifying its significance in the world of integrated service routers.

Understanding Cisco Integrated Service RoutersIntegrated Service Router (ISR)

An Integrated Service Router, commonly known as an Ethernet ISR, is a pivotal component in network architecture. It combines the functions of a traditional router with additional features, such as security, voice, and wireless capabilities. Cisco has been a pioneer in developing ISR solutions, and the CISCO2851 is a testament to its commitment to innovation.

Cisco CISCO2851Form Factor and Physical Characteristics

The CISCO2851 router boasts a compact form factor with dimensions designed for efficient rack mounting. Its sleek design conceals a powerhouse of capabilities within a single, integrated device. The router's physical attributes contribute to its ease of deployment in various networking scenarios.

Ports and Connectivity

One of the defining features of the CISCO2851 is its 2 Ports Integrated Service Router Ethernet. These ports provide essential connectivity for data transfer within the network. Understanding the specifications of these ports is crucial for optimizing network performance.

Performance and Scalability

Powered by advanced hardware and software, the CISCO2851 router delivers high-performance networking. Its scalability allows for seamless integration into networks of varying sizes, making it a versatile choice for both small and large enterprises.

Key Features of the CISCO2851Routing Capabilities

At its core, the CISCO2851 excels in routing data efficiently. It leverages sophisticated routing algorithms to ensure that data reaches its destination in the shortest time possible. This is particularly crucial in today's fast-paced digital landscape.

Security Protocols

Security is paramount in any network infrastructure, and the CISCO2851 doesn't disappoint. The router incorporates a range of security protocols and features, including firewalls and intrusion prevention systems, to safeguard against cyber threats.

Voice Integration

Modern communication relies heavily on Voice over Internet Protocol (VoIP). The CISCO2851 integrates seamlessly with VoIP technologies, enabling businesses to establish cost-effective and reliable voice communication within their network.

Wireless Connectivity

In an era dominated by wireless technologies, the CISCO2851 stays ahead of the curve by offering wireless connectivity options. This feature is especially valuable in environments where wired connections may be impractical or challenging to implement.

Quality of Service (QoS)

Maintaining optimal performance for critical applications is a priority for any network administrator. The CISCO2851 prioritizes data traffic using quality-of-service protocols, ensuring that bandwidth is allocated efficiently based on the specific needs of different applications.

Dual Ethernet Ports

One of the standout features of the CISCO2851 is its dual Ethernet ports. This dual-port configuration enhances flexibility in network connectivity, allowing for efficient data flow and redundancy.

Scalability and Performance

The router is equipped with hardware that supports scalability, enabling it to adapt to the changing demands of a network. With a focus on performance, the CISCO2851 boasts capabilities that make it suitable for both small-scale and enterprise-level applications.

Security Protocols

Security is paramount in today's digital landscape, and the CISCO2851 addresses this need with robust security protocols. From encryption to intrusion prevention, it offers a comprehensive suite of features to safeguard data and network integrity.

Voice Services Integration

In addition to its routing capabilities, the CISCO2851 stands out for its seamless integration of voice services. This makes it an ideal choice for businesses looking to implement Voice over Internet Protocol (VoIP) solutions.

Use Cases and Deployment ScenariosSmall to Medium Enterprises (SMEs)

For small to medium enterprises, the CISCO2851 serves as a cost-effective yet powerful networking solution. Its compact size, coupled with comprehensive features, makes it an ideal choice for businesses with moderate networking requirements.

Branch Office Deployments

Branch offices of larger organizations benefit from the CISCO2851's scalability. The router's ability to handle increased workloads and data transfer demands makes it suitable for deployment in branch offices, ensuring a consistent and reliable network experience.

Remote Connectivity

In an era where remote work is increasingly prevalent, the CISCO2851 facilitates secure and efficient remote connectivity. Its robust security features play a crucial role in protecting sensitive data transmitted over remote connections.

Power and Innovation of Service Router

The CISCO2851 Cisco 2 Ports 2851 Integrated Service Router is a powerful and innovative networking device that is designed to provide businesses with high-performance routing and security capabilities.

The router features two integrated 10/100/1000 Ethernet ports, which allow for fast and reliable network connectivity. It also includes a built-in security feature set, such as an advanced firewall, VPN, and intrusion prevention capabilities, to protect against network threats.

Additionally, This model is equipped with a range of advanced routing protocols, including Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Enhanced Interior Gateway Routing Protocol (EIGRP), to optimize network traffic and ensure efficient data transfer.

The router also supports Cisco IOS Software, which allows for easy configuration and management of the device. It also includes advanced QoS features, such as Voice over IP (VoIP) and video support, to ensure high-quality communication and multimedia services.

Exceptional Reliability of AC Power Router

The Cisco 2851 Integrated Service Router is considered to be a highly reliable router. It is built with robust hardware and software features that ensure its stability and durability. Some of the key features that contribute to its reliability include:

  • Dual redundant power supplies: The router has dual power supplies that ensure that the router remains operational even if one of the power supplies fails.
  • Dual redundant fans: The router has dual fans that keep the internal components cool and prevent overheating, which can cause hardware failures.
  • Dual redundant flash memory: The router has dual flash memory that ensures that the router remains operational even if one of the flash memory chips fails.
  • Dual redundant processors: The router has dual processors that ensure that the router remains operational even if one of the processors fails.
  • Dual redundant Gigabit Ethernet ports: The router has dual Gigabit Ethernet ports that ensure that the router remains operational even if one of the ports fails.
General Information about the Cisco CISCO2851
  • Manufacturer: Cisco
  • Model Number or SKU# CISCO2851
  • Product Series: 2800
  • Product Model: 2851
  • Product Type: Integrated Service Router
Interfaces/Ports of Cisco 2 Ports Router
  • Total Number of Ports: 2
  • USB: Yes
  • Management Port: Yes
  • Number of Network (RJ-45) Ports: 2
I/O Expansions for Integrated Services Router
  • Number of Total Expansion Slots: 11
  • Expansion Slot Types:
  • AIM (Advanced Integration Module)
  • HWIC (High-Speed WAN Interface Card)
  • EVM (Enhanced Voice Module)
  • Network Interface Module (NIM)
  • PVDM (Packet Voice and Video Digital Signal Module)
Network and Communication
  • Network Technology: 10/100/1000Base-T
  • Ethernet Technology: Gigabit Ethernet
  • VoIP Supported: No
  • Management and Protocols:
Security Features
  • AES (Advanced Encryption Standard) 128/192/256-bit
  • Intrusion Prevention System
  • Cisco IOS Firewall
  • SSL VPN (Secure Sockets Layer Virtual Private Network)
  • NAC (Network Access Control)
Power Description
  • PoE (RJ-45) Port: No
  • Input Voltage: 220 V AC, 110 V AC
  • Power Source: Power Supply
  • Redundant Power Supply: Yes

Overall, the Cisco CISCO2851 2 Ports Integrated Service Router Ethernet is a versatile and powerful solution for diverse networking requirements. This comprehensive guide aims to empower users with the knowledge needed to maximize the potential of this router, from understanding its features to implementing best practices for optimization and future-proofing network infrastructure. Whether used in enterprise settings, branch offices, or security-centric deployments, the CISCO2851 stands as a reliable pillar in the ever-evolving landscape of networking technology.

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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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;

(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).

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