Cisco CISCO1801/K9 Networking Router DSL-Cable
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CISCO1801/K9 Cisco ADSL Integrated Services Router Refurbished

Availability: In Stock
Part Number#: CISCO1801/K9
List Price was: $273.08
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Short Description:
CISCO1801/K9 1801 ADSL Pots Integrated Services 11 Ports Router With Firewall/IDS and IPSEC 3DES | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Advanced Features of Service Router

The Cisco 1801 Integrated Services Router (CISCO1801/K9) is a powerful and versatile router that offers advanced features to support the needs of small office and branch office environments. Some of the key advanced features include:

  • Integrated security: The router includes a range of security features such as firewall, VPN, and intrusion prevention to protect the network from unauthorized access and malicious attacks.
  • WAN connectivity: The CISCO1801/K9 supports multiple WAN connectivity options, including DSL and cable, to provide reliable and high-speed internet access.
  • Quality of Service (QoS): The router includes QoS features that allow for optimized voice and video traffic, ensuring that mission-critical applications receive the bandwidth they need.
  • Cisco IOS Software: The router runs on Cisco's IOS Software, which provides a wide range of routing, switching, and security features that can be easily configured and managed.
  • Cisco Configuration Professional: The router comes with Cisco Configuration Professional, a web-based tool that simplifies the configuration and management of the router.
  • IPv6 support: The CISCO1801/K9 supports IPv6, the next-generation internet protocol, which allows for larger address space and improved security compared to IPv4.
  • USB and serial ports: The router is equipped with USB and serial ports for console access and external storage.
  • Advanced routing protocols: The router supports advanced routing protocols such as OSPF, EIGRP, BGP to enable efficient and effective routing of data packets.
  • Advanced VPN: The router supports advanced VPN protocols such as L2TP, PPTP, and SSL to enable secure remote access.
  • Advanced Quality of Service (QoS): The router supports advanced QoS features such as priority queue, traffic shaping, and congestion management to ensure optimized network performance.

Network Management Systems

The Cisco 1801 Integrated Services Router (CISCO1801/K9) offers a range of network management systems to help administrators monitor, configure, and troubleshoot the router. Some of the key network management systems include:

  • Cisco IOS Software: The CISCO1801/K9 runs on Cisco's IOS Software, which provides a wide range of routing, switching, and security features that can be easily configured and managed through a command-line interface (CLI) or through Cisco Configuration Professional, a web-based tool.
  • Cisco Configuration Professional: Cisco Configuration Professional is a web-based tool that simplifies the configuration and management of the router. It offers an intuitive, step-by-step interface for configuring basic and advanced features of the router, such as security, WAN connectivity, and Quality of Service (QoS).
  • SNMP: The router supports the Simple Network Management Protocol (SNMP), which allows administrators to monitor the router's performance, status, and resource usage using a network management system (NMS).
  • Remote management: The CISCO1801/K9 supports remote management through Telnet, SSH, and a web-based interface, which allows administrators to access the router's configuration and management features from anywhere with an internet connection.
  • Logging and monitoring: The router supports logging and monitoring features such as syslog, SNMP traps, and NetFlow, which allow administrators to track network activity, troubleshoot issues, and identify security threats.
  • Cisco SDM (Security Device Manager): The router also supports Cisco SDM, a browser-based device management tool that simplifies the configuration of security features and VPN on Cisco IOS routers.

Establishing Internet Connectivity

Establishing internet connectivity on the Cisco 1801 Integrated Services Router (CISCO1801/K9) involves configuring the router's WAN interface to connect to the internet service provider (ISP) and setting up the appropriate routing and security protocols. The general steps to establish internet connectivity on the CISCO1801/K9 are:

  • Connect the WAN interface of the router to the internet service provider (ISP) using the appropriate cable (e.g., Ethernet, DSL, or cable).
  • Configure the WAN interface with the appropriate IP address, subnet mask, and default gateway provided by the ISP. This can be done through the command-line interface (CLI) or Cisco Configuration Professional, a web-based tool.
  • Configure the routing protocol that will be used to route internet traffic to and from the router. Cisco 1801 supports various routing protocols such as OSPF, EIGRP, and BGP.
  • Configure the security protocols that will be used to protect the network from unauthorized access and malicious attacks. This can include firewall, VPN, and intrusion prevention.
  • Configure Quality of Service (QoS) to prioritize and shape the internet traffic if needed.

It's important to note that these steps are general and may vary depending on the specific requirements and configurations of the network, as well as the type of internet connection used (e.g., DSL, cable, etc.). It's always recommended to refer to the manufacturer documentation for detailed instructions.

General Information

  • Manufacturer Cisco
  • Manufacturer Part Number CISCO1801/K9
  • Brand Name Cisco
  • Product Series 1800
  • Product Model 1801
  • Product Name 1801 Integrated Services Router
  • Product Type Router


  • Total Number of Ports 11
  • Management Port Yes
  • Number of Network (RJ-45) Ports 8
  • Number of Broadband (RJ-45) Ports 1
  • Number of RJ-11 Ports 1


  • Carrier Supported ISDN/DSL
  • Broadband Transmission Technology ADSL

I/O Expansions

  • Number of Total Expansion Slots 2

Network & Communication

  • Network Technology 10/100Base-TX
  • Network Technology ISDN BRI (S/T)
  • Ethernet Technology Fast Ethernet

Management & Protocols

  • Security Features
  • Site-to-Site VPN
  • SSIDs: 8
  • Cisco IOS Firewall including URL Filtering
  • Intrusion Prevention System (IPS)
  • Dynamic Multipoint VPN
  • Stateful Inspection Firewall
  • IPSec Tunnels Supported: 50
  • Preshared Key (PSK) Authentication
  • MAC authentication/filter encryption
  • Configurable RADIUS accounting for wireless clients
  • Static and dynamic wired equivalent privacy (WEP) keys of 40 bits and 128 bits
  • IEEE 802.1X per-user, per-session mutual authentication
  • Supports EAP types including Cisco LEAP, PEAP and EAP-Transport Layer Security (EAP-TLS)


  • Standard Memory 128 MB
  • Maximum Memory 384 MB
  • Memory Technology DRAM
  • Flash Memory 32 MB
  • Memory Card Supported CompactFlash (CF) Card

Power Description

  • Input Voltage 220 V AC
  • Input Voltage 110 V AC

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 5 GHz.

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, cyber criminals 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.

Here, you can check more available conditions of your desired product CISCO1801/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.
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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Important notes:

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