Cisco ISM-VPN-19 Service Module
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ISM-VPN-19 Cisco VPN Internal Service Module Refurbished

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Part Number#: ISM-VPN-19
List Price was: $169.23
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Short Description:
ISM-VPN-19 Virtual Private Network (VPN) Internal Encryption Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

VPN and Security Protocols Supported

The ISM-VPN-19 module is a VPN internal service module for the Cisco Integrated Services Routers (ISRs). The module provides VPN functionality for secure remote access, site-to-site VPNs, and teleworker VPN connectivity.

The ISM-VPN-19 module supports a number of VPN and security protocols, including:

  • IPsec (Internet Protocol Security) - A protocol suite that provides end-to-end security for IP networks. It provides data confidentiality, data integrity, and data authenticity.
  • IKE (Internet Key Exchange) - A protocol that provides secure key exchange and negotiation between VPN peers. It is used in conjunction with IPsec to provide secure VPN connections.
  • SSL (Secure Sockets Layer) - A protocol for establishing secure links between networked devices. It is commonly used for remote access VPNs, providing secure browser-based access to internal resources.
  • PPTP (Point-to-Point Tunneling Protocol) - A protocol that provides secure remote access to corporate networks. It is a legacy protocol that is less secure than IPsec or SSL VPNs.
  • L2TP (Layer 2 Tunneling Protocol) - A protocol that provides secure remote access to corporate networks. It is often used in conjunction with IPsec for added security.
  • GRE (Generic Routing Encapsulation) - A protocol that provides a simple way of encapsulating various network layer protocols inside IP packets. It is often used to transport non-IP protocols over an IP network.

In addition to these VPN and security protocols, the ISM-VPN-19 module also supports a number of advanced security features, including firewall, NAT (Network Address Translation), and VPN QoS (Quality of Service) features to help ensure the reliability and performance of VPN connections.

High Availability and Redundancy Features

The ISM-VPN-19 Cisco VPN Internal Service Module provides high availability and redundancy features that are essential for ensuring network reliability and continuity. These features include:

  • Redundant power supplies: The module has two power supplies that can provide power to the module in the event of a failure in one of them.
  • Dual VPN processing engines: The module has two VPN processing engines that can run simultaneously, ensuring that there is no single point of failure in the VPN processing.
  • Hot-swappable design: The module is designed to be hot-swappable, meaning that it can be replaced without disrupting network operation.
  • Load balancing: The module provides load balancing capabilities that allow multiple VPN tunnels to be established and traffic to be distributed evenly across them.
  • Stateful switchover: The module supports stateful switchover, which allows for the seamless transfer of VPN processing from one engine to another in the event of a failure.
  • VPN failover: The module supports VPN failover, which allows for automatic transfer of VPN processing to a secondary VPN engine in the event of a failure.
  • High availability clustering: The module supports high availability clustering, which allows for multiple VPN engines to be grouped together and work as a single entity.
  • Reliable session persistence: The module ensures reliable session persistence, which means that VPN sessions are maintained even if the VPN engine experiences a failure.

These high availability and redundancy features provide a high level of network reliability and continuity, ensuring that VPN services remain available even in the event of a failure.

Powerful and Reliable

The ISM-VPN-19 Cisco VPN Internal Service Module (ISM) is a powerful and reliable VPN solution designed to provide secure remote access and site-to-site VPN capabilities for the Cisco Integrated Services Routers (ISRs).

This module integrates into the ISR, eliminating the need for an external VPN appliance, and offers high-performance encryption and compression capabilities. The ISM-VPN-19 provides 19 simultaneous VPN tunnels, which makes it an ideal solution for small to medium-sized businesses that need to securely connect remote employees, branch offices, and teleworkers to their corporate network.

The ISM-VPN-19 also offers robust security features, including support for the latest encryption algorithms, user authentication, and VPN authentication, to ensure the confidentiality and integrity of the VPN tunnels. In addition, it provides the ability to control network access through access control lists (ACLs) and network address translation (NAT).

The ISM-VPN-19 is easy to install and manage, with its configuration performed through the integrated Cisco Configuration Professional (CCP) or the command-line interface (CLI). It also offers redundancy and failover capabilities, ensuring high availability and reliability of VPN services.

In conclusion, the ISM-VPN-19 Cisco VPN Internal Service Module is a powerful and reliable VPN solution designed to provide secure remote access and site-to-site VPN capabilities for small to medium-sized businesses. With its robust security features, easy management, and high-performance capabilities, it is an ideal choice for organizations looking to simplify and secure their VPN infrastructure.

Main Information about this Cisco ISM-VPN-19

  • Manufacturer: Cisco
  • Model Number or SKU# ISM-VPN-19
  • Product Type: Service Module

Techniacal Information for Internal Service Module

  • Form Factor: Plug-in Module
  • Compatible Slots: 1x ISM
  • Encryption Algorithm: DES, Triple DES, RSA, MD5, AES, SHA-1, ECDSA, SHA-2, AES-GCM

Environmental Parameters of VPN Service Module

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 122 °F
  • Humidity Range Operating: 10 - 95%


  • Cisco 1941, 1941 Mobile Wireless
  • 1941 Secure WAAS Bundle
  • 1941 Security, 1941 Security Bundle
  • 1941 SRE Bundle
  • 1941 VPN ISM Module HSEC Bundle
  • 1941 WAAS Bundle

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.

A networking module is a software module responsible for the implementation of particular functions within a network stack. Examples of these network stacks include transport protocol, data link interface, and a network application.

Network modules exist either as client modules or as provider modules. It could also be both according to the location within the network stack.

This article highlights the networking basics, including its working and how various devices can be used to create networks.

Computer networking has been around for way back. As time has progressed, technologies have gotten quicker and more cost-effective. Networks consist of different devices. These include switches, computers, and routers that are interconnected via wireless signals and cables. Comprehending the networking organization basics is an essential part of the construction of a wireless network in a neighbourhood or community.

Clients and servers

On networks, the relationship between the client and the server is very important. The computer holding content and services like a media file, a website, or a chat application are known as a server. A computer holding the search page of the Google website is an excellent example of a server. It holds the page and sends it out on request.

A client is a separate computer, like your mobile phone or laptop. It seeks permission to download, view, or utilize the content. The client has the ability to connect over a network to exchange information.

For two computers interconnected through an Ethernet cable, the computers can see one another and communicate through the cable. Client computer requests for a website from the server. The website is sent from the server and shown on your web browser as the client.

I/O network module

Ethernet Industrial Protocol (EtherNet/IP) is conventional Ethernet together with a layer of industrial application protocol aimed at industrial automation. The application layer protocol serves as the Control and Information Protocol (CIP).

EtherNet/IP was designed with the view of overcoming the shortcomings associated with conventional IEEE 802.3 Ethernet as put in the world of industrial automation. With Acromag for example, you are provided with an array of choices to suit your particular requirement: Ethernet Analog I/O, Ethernet Multi-Function I/O, Ethernet Converters and Switches, Ethernet Digital I/O module, and others.

Ethernet I/O solutions' three series to select from

  1. BusWorks XT Series: Programming: USB designed with Acromag XT-SIP software; easy download and save the file as. Protocols: EtherNet/IP, Modbus TCP/IP, and Profinet.
  2. BusWorks 900EN Series: Programming: web pages built-in through an internet browser, the utility of saving with a copy. Protocols: Ethernet/IP and Modbus TCP/IP
  3. EtherStax ES2000 Series: Programming: Web pages built-in through an internet browser, the utility of saving with a copy.

Cisco 2 port Gigabit Ethernet WAN Network Interface Modules

These types of networking modules present Small Form-Factor pluggable (SFP) of high density and copper 1 Gigabit and 10 GE connectivity to the Integrated Services Routers (ISRs) of the 4000 Cisco Series. It provides optimum flexibility. The modules speed up applications like inter-VLAN routing, Ethernet WAN access, and fast connectivity to servers and LAN switches.


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(b) any misuse outside the instructions in the user manual for any specific product;

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