Cisco C2851-H-VSEC/K9 Networking Router
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Why C2851-H-VSEC/K9 Cisco 2800 Router Voice is the best?

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Part Number#: C2851-H-VSEC/K9
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Short Description:
C2851-H-VSEC/K9 2800 Router Voice Security Bundle 2851H.Perf.VSEC:AIM-VPN2/SSL,PVDM2,CCME/SRST,AIS,256F/512D | Made by Cisco | Refurbished

Interface Types of This Product: Router Other

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
We are giving specifications below, why one should consider procuring Cisco Other Router Networking features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the C2851-H-VSEC/K9 model with compatibility.

Advanced Security Features of Voice Security Bundle

The C2851-H-VSEC/K9 Cisco 2800 Router Voice Security Bundle is a security-enhanced router that is designed for small to medium-sized businesses and enterprise branch offices. It provides advanced security features that help protect against a wide range of threats, including:

  • Virtual Private Network (VPN) capabilities: The router supports both site-to-site and remote access VPNs, which provide secure connections for remote users and branch offices.
  • Firewall: The router includes a stateful firewall that can inspect and filter incoming and outgoing traffic based on predefined security policies.
  • Intrusion Prevention System (IPS): The router includes an IPS that can detect and prevent known and emerging threats.
  • Advanced Malware Protection (AMP): The router includes AMP, which uses machine learning and behavioral analysis to detect and block malware.
  • Encryption: The router supports a range of encryption protocols, including AES, 3DES and DES, which can be used to encrypt traffic and protect sensitive data.
  • Network admission control (NAC): The router supports NAC, which provides network access control by verifying the health and security posture of devices attempting to access the network.
  • Secure Communications: The router offers secure communication features such as secure voice and secure wireless.
  • Secure IoT: The router also supports features such as Cisco IoT Field Network Director and Cisco IoT Control Center, which are designed to provide secure and robust IoT solutions.
  • Network Segmentation: The router provides network segmentation feature that enables you to create multiple virtual networks on a single physical infrastructure, providing enhanced security and control over the network.

All in all, the C2851-H-VSEC/K9 Cisco 2800 Router Voice Security Bundle is an advanced security-enhanced router that provides a wide range of security features such as VPN, firewall, IPS, AMP, encryption, NAC, secure voice and wireless, secure IoT and network segmentation. These features help to protect against a wide range of threats, helping to secure the network and protect sensitive data.

Hardware Specifications and Features

The C2851-H-VSEC/K9 Cisco 2800 Router Voice Security Bundle is a high-performance router that is designed for small to medium-sized businesses and enterprise branch offices. It includes a variety of hardware specifications and features that allow it to handle high-bandwidth applications and support a wide range of connectivity options. Some of the key hardware specifications and features include:

  • Processor: The router is powered by a 1.5GHz Cisco QuantumFlow Processor, which provides high-performance routing and VPN capabilities.
  • Memory: The router comes with 2GB of DRAM and 4GB of flash memory, which provides ample storage for routing tables, VPN configurations, and other data.
  • Interfaces: The router comes with 8 Ethernet ports, 4 of which support PoE, and 2 Gigabit Ethernet WAN ports.
  • Modularity: The router supports flexible WAN and LAN interface card (WIC/VWIC) slot options, which provide the ability to add additional interfaces, such as T1/E1, serial, and ISDN.
  • Power: The router supports both AC and DC power options and can operate in temperatures from 32 to 104 degrees Fahrenheit (0 to 40 degrees Celsius).
  • Physical dimensions: The router measures 1.75 x 17.5 x 14.5 inches (4.45 x 44.45 x 36.83 cm) and weighs approximately 11.5 pounds (5.22 kg)
  • Voice and Voice Security Bundle: The router includes a voice security bundle that provides advanced security features for voice over IP (VoIP) communications.
  • Wireless option: The router has a built-in wireless option that supports 802.11a/b/g/n/ac.
  • Advanced Quality of Service (QoS): The router supports advanced QoS features, such as traffic shaping and prioritization, which help to ensure that mission-critical applications receive the bandwidth they need.
  • Redundancy and High Availability: The router supports a range of redundancy and high-availability features, such as Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP), which help to ensure that the network remains available even in the event of a failure.

High Availability and Redundancy Options

The C2851-H-VSEC/K9 Cisco 2800 Router Voice Security Bundle includes a range of high availability and redundancy options that help to ensure that the network remains available even in the event of a failure. Some of the key high availability and redundancy options include:

  • Hot Standby Router Protocol (HSRP): HSRP is a Cisco proprietary protocol that allows for the creation of virtual routers, which share a virtual IP address. If the primary router fails, the secondary router takes over and continues to forward packets, ensuring that there is no interruption in network services.
  • Virtual Router Redundancy Protocol (VRRP): VRRP is a Cisco proprietary protocol that provides redundancy for the virtual IP address. In case the primary router fails, the secondary router takes over and continues to forward packets, ensuring that there is no interruption in network services.
  • Stateful switchover (SSO) for VPN: SSO for VPN allows for the seamless transition of VPN sessions from one router to another in the event of a failure, ensuring that there is no interruption in VPN services.
  • Dual power supply: The router supports dual power supply options, which allows for a redundant power source to be used in case of a power failure.
  • Dual ISDN Backup: The router has dual ISDN backup feature, which allows for a secondary ISDN connection to be used in case of a failure of the primary connection.
  • Dual WAN interfaces: The router has dual WAN interfaces which allows for a secondary WAN connection to be used in case of a failure of the primary connection.
  • Flexible NetFlow: The router support Flexible NetFlow feature allows for monitoring and tracking of network traffic, which can be used to detect and troubleshoot network issues.

General Information about this Cisco C2851-H-VSEC/K9

  • Manufacturer Cisco Systems, Inc
  • Manufacturer Part Number C2851-H-VSEC/K9
  • Brand Name Cisco
  • Product Series 2800
  • Product Model 2851
  • Product Name 2851 HVSEC Bundle Router
  • Product Type Router


  • Total Number of Ports 2
  • USB Yes
  • Management Port Yes
  • Number of Network (RJ-45) Ports 2

I/O Expansions

  • Number of Total Expansion Slots 12
  • Expansion Slot Type AIM
  • Expansion Slot Type HWIC
  • Expansion Slot Type EVM
  • Expansion Slot Type PVDM

Network & Communication

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

Management & Protocols

  • Security Features-
  • DES
  • 3DES
  • AES 128
  • AES 192
  • AES 256
  • SSH
  • Intrusion Prevention System (IPS)
  • URL Filtering
  • Integrated Hardware Based Encryption


  • Standard Memory 512 MB
  • Memory Technology DRAM
  • Flash Memory 256 MB
  • Memory Card Supported CompactFlash

Power Description

  • Input Voltage 110 V AC
  • Input Voltage 220 V AC
  • Power Source Power Supply

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.

Routers lead the line as the first line of network security in homes and offices. It prevents intrusion into a network while creating a firewall to provide the highest level of security on several network types. They are the best ways of keeping computer systems, network systems, and information contained in them safe from intrusion.

A router is designed to be more capable than several other network devices such as hubs or switches that can only carry out basic network functions. For instance, a hub only transfers data between network devices without analyzing or doing anything with those data. On the other hand, routers are able to analyze data sent between network devices. They can change the packaging of such data and send it over to a different network.

Routers are the perfect devices to share an internet connection between multiple computers in home networks. A router typically connects to the modem using a network cable. Router networking occurs via a WAN port or the internet. There are also wireless routers that connect to devices using different wireless standards.

Important Features

Multi-core Processor

The hardware inside these routers allows them to cope with several network use at the same time. Many of these routers come with dual-core and quad-core processors. These processor options allow them to handle lots of data more effectively. Users can use their Wi-Fi routers for activities such as video streaming, online gaming, data backups, and more. Even while carrying out those operations, the routers perform at the highest levels.

Multi-band options

Users will get routers that broadcast wireless signals over two frequencies (for dual-band) or more (for tri-band and others). These routers run at frequencies that can cover a wide expanse of area. They are not congested and are perfect for office buildings, homes, and large enterprises. Clients will find routers that emit their signals between 2.4 GHz and 5GHz.

Built-in Security Features

These router networking devices also come with security features such as device quarantine, firmware updates, automatic updates, and more. The features allow them to provide network-level protection against attacks. With these features, cybercriminals will be unable to infiltrate home networks.

Types of Routers

There are several types of routers that users can benefit from. Some of them include:

  • Core Routers. These are the types used by Internet Service Providers. They are the fastest and most powerful types. They sit at the center of the internet and forward data through the main fiber Optics.
  • Wireless Routers. These work in a similar manner as a home or business LAN. However, they give room for better mobility for laptops, tablets, and other portable devices. These types offer transmission over short distances.
  • Enterprise Routers. These are the types employed by large companies. Organizations use enterprise routers to connect their networks to these core routers.
  • Branch Routers. These types connect an enterprise's remote offices to its Wide Area Network (WAN). They come with improved features such as wireless LAN management, time-division multiplexing, WAN acceleration, and more.
  • Edge Routers. These are the most commonly used types in homes and small businesses. They are low-capacity devices that connect to the public internet or private WAN, or external LAN.
  • Logical Routers. They function similarly to hardware to create several network routes.

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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).

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