Cisco CISCO1921-MS/K9 Networking Router
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Why CISCO1921-MS/K9 Cisco 1921 Integrated is the best?

Availability: In Stock
Part Number#: CISCO1921-MS/K9
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Short Description:
CISCO1921-MS/K9 1921 Integrated Services Router 2 Ports 2 Slots Rack-Mountable | Made by Cisco | New Factory Sealed

Interface Types of This Product: Router 2 Port

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
We are giving specifications below, why one should consider procuring Cisco 2 Port Router Networking features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the CISCO1921-MS/K9 model with compatibility.

Management of Network Bandwidth

Managing network bandwidth on the CISCO1921-MS/K9 Cisco 1921 Integrated Services Router can be done through a variety of methods, including:

  • Quality of Service (QoS): QoS allows you to prioritize certain types of traffic, such as voice or video, over other types of traffic. This helps ensure that critical applications receive the necessary bandwidth while still allowing other applications to function.
  • Traffic shaping: Traffic shaping allows you to limit the amount of bandwidth that can be used by specific types of traffic or specific devices on the network. This helps prevent one device or type of traffic from consuming too much bandwidth and disrupting other devices.
  • Access Control Lists (ACLs): ACLs allow you to control access to the network by specifying which devices or types of traffic are allowed or denied. This can be used to restrict bandwidth usage by certain devices or types of traffic.
  • Bandwidth allocation: The router can be configured to allocate specific bandwidth to the different types of traffic. This can be done on the basis of the protocols, applications, or devices.
  • Monitoring: The router can be configured to monitor the network bandwidth usage and send notifications when certain thresholds are exceeded. This allows you to quickly identify and address any issues that may be affecting network performance.
  • Class-Based Weighted Fair Queuing (CBWFQ): CBWFQ is a QoS feature that allows you to assign different priority levels to different types of traffic, based on their class. This ensures that critical traffic receives priority over less critical traffic.

All these methods can be implemented through the CLI or web-based interface of the router and can be used in combination for more granular control over the network bandwidth. It's recommended to consult the router's documentation for specific details on how to configure these methods for managing network bandwidth on the CISCO1921-MS/K9 Cisco 1921 Integrated Services Router.

Advanced Routing Protocols

The Cisco 1921 Integrated Services Router (ISR) supports several advanced routing protocols, which are used to dynamically exchange routing information between routers in a network. These protocols include:

  • Border Gateway Protocol (BGP): BGP is a routing protocol used to exchange routing information between routers in different autonomous systems (AS) on the Internet. BGP is considered a path vector protocol and is used to establish the most efficient path for data to travel between networks.
  • Open Shortest Path First (OSPF): OSPF is a routing protocol used for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm, which means that each router in the network maintains a complete map of the network's topology. OSPF uses a shortest path first (SPF) algorithm to determine the best path for data to travel between networks.
  • Enhanced Interior Gateway Routing Protocol (EIGRP): EIGRP is a Cisco proprietary routing protocol that is based on Interior Gateway Routing Protocol (IGRP). EIGRP uses a hybrid routing algorithm that combines the characteristics of both distance-vector and link-state routing protocols. It quickly converges on the network topology and provides faster recovery in case of failures.
  • Routing Information Protocol (RIP) version 1 and 2 : RIP is a distance-vector routing protocol that uses hop count as a metric to determine the best path for data to travel. RIP version 2 (RIPv2) has several enhancements over version 1, including support for variable-length subnet masks (VLSMs), which allows for more efficient use of IP address space.
  • Static routing: Static routing is a simple and easy-to-configure routing protocol that is used to manually configure routes on a router. It is typically used in small networks where the topology of the network does not change frequently.

These routing protocols, in addition to Quality of Service (QoS) features, access control lists (ACLs) and Network Address Translation (NAT) for secure and efficient network traffic management, makes CISCO1921-MS/K9 Cisco 1921 Integrated Services 2 Ports, 2 Slots Router a reliable solution for various types of enterprise networks.

Security Features

The CISCO1921-MS/K9 Cisco 1921 Integrated Services Router (ISR) offers a variety of security features to protect networks from external threats. Some of the security features include:

  • Firewall: Cisco 1921 ISR comes with an integrated firewall that provides stateful packet inspection and access control lists (ACLs) to protect networks from unauthorized access and malicious traffic.
  • Virtual Private Network (VPN): Cisco 1921 ISR supports the creation of VPN tunnels using protocols such as IPsec, SSL and L2TP to provide secure remote access to the network.
  • Network Address Translation (NAT): NAT allows the use of one IP address space to be shared among multiple hosts, providing an additional layer of security by hiding internal IP addresses from external networks.
  • Intrusion Prevention System (IPS): The Cisco 1921 ISR can be integrated with an IPS to provide real-time threat detection and protection against a wide range of network attacks.
  • Authentication, Authorization, and Accounting (AAA): Cisco 1921 ISR supports the use of AAA servers to authenticate users, authorize access to network resources, and track user activity for compliance and security purposes.
  • Secure Shell (SSH) and Secure Copy Protocol (SCP): Cisco 1921 ISR supports SSH and SCP, which provide secure encrypted communication and file transfer capabilities.
  • Secure Sockets Layer (SSL) and Transport Layer Security (TLS): Cisco 1921 ISR supports SSL and TLS, which provide secure encrypted communication between web browsers and web servers.
  • Cisco Identity Services Engine (ISE): The Cisco 1921 ISR can be integrated with Cisco ISE to provide identity-based security and network access control.

General Information

  • Manufacturer Cisco
  • Manufacturer Part Number CISCO1921-MS/K9
  • Product Series 1900
  • Product Model 1921
  • Product Name 1921 Integrated Services Router
  • Product Type Router

Interfaces / Ports

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

I/O Expansions

  • Number of Total Expansion Slots 2
  • Expansion Slot Type HWIC

Network & Communication

  • Network Technology 10/100/1000Base-T
  • Ethernet Technology Gigabit Ethernet
  • VoIP Supported No

Management & Protocols

  • Security Features -
  • Cisco Security Manager
  • VPN encryption
  • Cisco IOS Firewall
  • Cisco IOS Zone-Based Firewall
  • Cisco IOS IPS
  • Cisco IOS Content Filtering
  • AAA
  • DES
  • 3DES
  • AES


  • Standard Memory 512 MB
  • Maximum Memory 512 MB
  • Memory Technology DDR2 SDRAM
  • Flash Memory 256 MB

Power Description

  • PoE (RJ-45) Port No
  • Input Voltage 110 V AC
  • Input Voltage 220 V AC
  • Power Source Power Supply
  • Redundant Power Supply No

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).

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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FedEx Shipping Options:

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FedEx Priority Overnight®
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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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