Cisco ASA5540-AIP20-K9 5 Ports Security Appliance
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Cisco ASA5540-AIP20-K9 ASA 5540 Firewall Appliance Refurbished

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Part Number#: ASA5540-AIP20-K9
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Short Description:
ASA5540-AIP20-K9 ASA 5540 Appliance With Software AIP-SSM-20 500 Virtual Private Network (VPN) Peers Module Ethernet 1 Gigabyte Per Second (GBPS) 1U | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

More Information on the Security Appliance

The Cisco ASA5540-AIP20-K9 is a robust network security appliance designed to provide advanced firewall and VPN capabilities for medium to large-scale enterprises. In this detailed exploration, we will delve into the key features of the Cisco ASA 5540, focusing on the AIP-SSM-20 module, support for 500 VPN peers, Ethernet connectivity at 1 Gigabyte per second (Gbps), and the compact 1U form factor.

Overview of Cisco ASA 5540 Appliance

The Cisco ASA 5540 is a member of the Adaptive Security Appliance (ASA) family, renowned for its comprehensive security solutions. As a pivotal component of network infrastructure, the ASA 5540 is engineered to safeguard critical data and ensure the integrity of network communication.

AIP-SSM-20 Module

  • The ASA5540-AIP20-K9 comes equipped with the AIP-SSM-20 module, enhancing the appliance's capabilities with advanced intrusion prevention and detection features. This Security Services Module (SSM) plays a crucial role in fortifying the network against emerging threats, making the Cisco ASA 5540 a reliable guardian of digital assets.

Advanced Firewall Capabilities

  • The primary role of the Cisco ASA 5540 is to act as a firewall, and it excels in this aspect. With advanced firewall capabilities, the appliance is equipped to analyze and control incoming and outgoing network traffic based on predetermined security rules. This ensures that only authorized and secure communication occurs within the network.

Support for 500 VPN Peers

  • One of the standout features of the Cisco ASA5540-AIP20-K9 is its ability to support up to 500 Virtual Private Network (VPN) peers. VPNs play a pivotal role in ensuring secure communication over the internet, allowing remote users and branch offices to connect to the corporate network securely. The generous support for 500 VPN peers makes this appliance well-suited for organizations with a substantial user base and distributed network architecture.

Ethernet Connectivity at 1 Gbps

  • In the realm of networking, speed is of the essence. The Cisco ASA5540-AIP20-K9 addresses this need with its Ethernet connectivity capabilities reaching 1 Gigabyte per second (Gbps). This high-speed connectivity ensures efficient data transfer within the network, minimizing latency and optimizing overall network performance.

1U Form Factor

  • The compact 1U form factor of the Cisco ASA5540-AIP20-K9 adds a layer of versatility to its deployment options. The 1U size makes it ideal for rack-mounting in data centers or network closets where space efficiency is paramount. Despite its size, the ASA 5540 does not compromise on functionality or performance, making it a practical choice for organizations with space constraints.

Software Capabilities

  • The ASA 5540 comes bundled with a comprehensive set of software features, contributing to its effectiveness in securing networks. The software, in conjunction with the AIP-SSM-20 module, empowers the appliance with deep packet inspection, threat intelligence, and adaptive security measures to stay ahead of evolving cyber threats.

Intrusion Prevention System (IPS)

  • The AIP-SSM-20 module enhances the ASA 5540 with a sophisticated Intrusion Prevention System (IPS). This system actively monitors network and/or security events for malicious or unwanted behavior. By detecting and responding to potential threats in real-time, the IPS adds an extra layer of defense against cyber attacks.

VPN Functionality

  • The Cisco ASA5540-AIP20-K9's robust VPN functionality is a critical component for businesses with remote users or multiple locations. The support for 500 VPN peers ensures that the appliance can accommodate a significant number of secure connections simultaneously, enabling seamless and secure communication between various parts of the network.

Centralized Management and Monitoring

  • Efficient management and monitoring are essential for maintaining the security and performance of a network. The Cisco ASA 5540 facilitates centralized management through tools such as Cisco Adaptive Security Device Manager (ASDM) or Cisco Firepower Management Center (FMC). These interfaces provide administrators with a user-friendly platform to configure, monitor, and troubleshoot the appliance.

Redundancy and High Availability

  • Ensuring continuous network availability is a critical concern for enterprises. The ASA 5540 addresses this by offering features such as failover and clustering. These mechanisms enhance redundancy and high availability, minimizing downtime and ensuring that the network remains operational even in the face of hardware failures.

Scalability for Growing Networks

  • As organizations expand, so do their network requirements. The Cisco ASA 5540 is designed with scalability in mind, allowing businesses to seamlessly integrate additional security services and modules as needed. This scalability ensures that the appliance can evolve with the changing demands of the network environment.

Advanced Technologies of Firewall Appliance

The Cisco ASA 5540 Firewall Appliance (ASA5540-AIP20-K9) is a high-performance security device that offers advanced technologies to protect networks from a wide range of threats. Some of the key advanced technologies included in the ASA 5540 are:

  • Intrusion Prevention System (IPS): This feature provides deep packet inspection and real-time threat detection to protect against network-based attacks such as viruses, worms, and malware.
  • Virtual Private Network (VPN): The ASA 5540 supports a wide range of VPN protocols, including IPsec, SSL, and L2TP, to secure remote access and site-to-site communications.
  • Content Security and Control (CSC): This feature allows for the monitoring and control of web traffic, including the ability to block access to malicious websites and prevent data leakage.
  • Firewall Services: The ASA 5540 features a stateful firewall that can block unauthorized access to the network, as well as control traffic flow and bandwidth usage.
  • Advanced Malware Protection (AMP): This feature uses advanced threat detection and sandboxing technology to identify and block malware in real time.
  • Advanced Access Control (AAC): This feature allows for granular control over network access, including the ability to create user-specific policies and apply them to different types of devices.
  • High Availability: The ASA 5540 can be configured for high availability, ensuring that network traffic is never interrupted in the event of a failure.
  • Advanced Reporting and Logging: The ASA 5540 provides detailed reporting and logging capabilities to help administrators identify and troubleshoot issues.

Resiliency and High Availability of Security Appliance

  • The Cisco ASA 5540 Firewall Appliance (ASA5540-AIP20-K9) is designed to provide resiliency and high availability for network security. The appliance features a stateful failover capability that allows for a seamless transition of traffic in the event of a failure, ensuring that there is no interruption in network security.
  • The appliance also can run multiple security contexts, which allows for multiple virtual firewalls to be created on a single physical device. This provides additional redundancy and allows for different security policies to be applied to different segments of the network.
  • Additionally, the ASA 5540 can integrate with other Cisco security products such as the Cisco Identity Services Engine (ISE) and Cisco Threat Defense, providing a comprehensive security solution that is both resilient and highly available.

Robust Security and Dynamic Quality

  • The Cisco ASA 5540 Firewall Appliance (ASA5540-AIP20-K9) is a powerful and robust security solution designed to protect networks of all sizes from a wide range of cyber threats. The device features a dynamic quality of service (QoS) capability that allows administrators to prioritize network traffic and ensure that critical applications receive the bandwidth they need to function properly.
  • The ASA 5540 is built on a high-performance hardware platform that includes a multi-core processor, ample memory, and a large storage capacity. This allows the device to handle a high volume of traffic and process complex security protocols with ease.
  • The firewall appliance also features a comprehensive security feature set that includes stateful inspection, VPN, intrusion prevention, and content filtering. The device also supports a wide range of protocols, including IPv4 and IPv6, making it ideal for use in both traditional and next-generation networks.
  • In addition to its robust security features, the ASA 5540 also offers advanced management and monitoring capabilities. The device can be managed through a web-based interface, the Cisco Adaptive Security Device Manager (ASDM), or through the command-line interface (CLI). Administrators can also use the device's built-in monitoring and reporting capabilities to keep track of network activity, identify potential threats, and take corrective action as needed.

Main Information about this Cisco ASA5540-AIP20-K9

  • Manufacturer: Cisco Systems, Inc
  • Model Number or SKU# ASA5540-AIP20-K9
  • Brand Name: Cisco
  • Product Series: 5500
  • Product Model: ASA 5540
  • Type: Networking
  • Product Type: Network Security/Firewall Appliance

Technical Feature of Firewall Appliance

  • Virtualization:
    • 500 x IPSec VPN Peer
    • 500 x Web VPN Peer
    • 280,000 x Concurrent Session
    • 20,000 x Concurrent Session
    • 2 x Security Context
    • 50 x Security Context


  • Total Number of Ports: 5
  • USB: Yes
  • Management Port: Yes

Network & Communication

  • Ethernet Technology: Fast Ethernet
  • Network Standard: 10/100/1000Base-T
  • Network Standard: 10/100Base-TX

I/O Expansions

  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: SSM
  • Number of SSM Slots: 1

Management & Protocols

  • Manageable: Yes


  • Standard Memory: 1 GB
  • Memory Technology: DRAM
  • Flash Memory: 128 MB
  • Memory Card Supported: CompactFlash (CF) Card

Power Description

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

In summary, the Cisco ASA5540-AIP20-K9 stands as a formidable network security appliance, combining advanced security features, scalability, and high-speed connectivity. The integration of the AIP-SSM-20 module, support for 500 VPN peers, and 1 Gbps Ethernet connectivity make it a versatile solution for organizations with diverse security and networking needs. As businesses navigate the evolving landscape of cyber threats, the ASA5540-AIP20-K9 proves to be a reliable and future-ready choice for securing critical networks.

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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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.

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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.

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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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