Cisco ASA5520-AIP20-K9 5 Ports Networking Security Appliance Firewall
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ASA5520-AIP20-K9 Cisco ASA 5520 Security Appliance Refurbished

Availability: In Stock
Part Number#: ASA5520-AIP20-K9
List Price was: $923.08
Your Price:
You Save: $683.08 (74% off)



Short Description:
ASA5520-AIP20-K9 ASA 5520 Appliance With SSM-AIP-20 - Security Appliance Fast EN Gigabit EN 1 U - Rack-Mountable | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Features and specifications

The ASA5520-AIP20-K9 is a Cisco ASA 5520 Security Appliance with an AIP-SSC-5 Module. Here are its key features and specifications:


  • Firewall and VPN capabilities
  • Intrusion Prevention System (IPS)
  • Advanced application-layer security services
  • URL filtering and anti-spam protection
  • Failover and redundant interfaces
  • Support for up to 750 IPSec VPN peers
  • Support for up to 5,000 concurrent connections
  • Support for up to 300,000 maximum concurrent sessions


  • Firewall throughput: Up to 450 Mbps
  • VPN throughput: Up to 225 Mbps
  • IPS throughput: Up to 225 Mbps
  • Concurrent sessions: 280,000
  • VLANs: Up to 200
  • Interfaces: 4 Gigabit Ethernet (10/100/1000) ports, 1 Fast Ethernet (10/100) port, 1 management port
Configuration and Management

The Cisco ASA 5520 Security Appliance is a firewall and security device that provides comprehensive protection for network resources. The ASA 5520-AIP20-K9 model includes a built-in Intrusion Prevention System (IPS) that provides additional protection against network threats. To configure and manage the ASA 5520-AIP20-K9, follow these steps:

  • Connect to the ASA 5520-AIP20-K9: Use a console cable to connect a computer to the ASA 5520-AIP20-K9's console port, or connect to the device via Telnet or SSH.
  • Access the CLI: Log in to the ASA 5520-AIP20-K9's Command Line Interface (CLI) using the default username and password (if not previously changed).
  • Configure basic settings: Configure the ASA 5520-AIP20-K9's basic settings such as hostname, domain name, time zone, and interfaces.
  • Configure security policies: Create security policies to control access to network resources. You can define policies for inbound and outbound traffic, and specify rules to block or allow specific types of traffic.
  • Configure VPN: Set up Virtual Private Network (VPN) connections to allow remote access to the network. You can create site-to-site VPNs to connect different locations, or client-to-site VPNs to allow remote workers to access the network.
  • Configure IPS: Set up the Intrusion Prevention System (IPS) to protect against network threats. You can create rules to detect and block suspicious traffic, or to alert administrators of potential security incidents.
  • Monitor and troubleshoot: Use monitoring tools to view traffic logs, system status, and other information. Use troubleshooting tools to diagnose and resolve any issues.
  • Maintain the device: Regularly update the ASA 5520-AIP20-K9's firmware and IPS signatures to ensure the latest security features and protections are available.
Maintenance Option

To maintain the ASA5520-AIP20-K9 Cisco ASA 5520 Security Appliance and ensure its optimal performance and security, you should consider the following maintenance options:

  • Firmware and software updates: Regularly check for updates to the ASA 5520-AIP20-K9's firmware and software, including the operating system, IPS signatures, and any other relevant software components. Cisco releases updates to address security vulnerabilities and improve performance, and it is important to keep the device up to date with the latest patches and upgrades.
  • Backups: Regularly back up the ASA 5520-AIP20-K9's configuration and other important data, such as VPN settings and IPS policies. This ensures that in case of a hardware failure or other issue, you can quickly restore the device to its previous state without losing any important data.
  • Monitoring and reporting: Use monitoring tools to keep an eye on the device's performance and security status. These tools can alert you to potential issues before they become serious, and can also provide valuable insights into network activity and performance.
  • Hardware maintenance: Regularly inspect the device for physical damage or wear, and replace any worn or damaged parts. Additionally, ensure that the device is kept in a clean and well-ventilated environment to prevent overheating or other issues.
  • Training and support: Ensure that your staff is properly trained on how to configure, manage, and troubleshoot the ASA 5520-AIP20-K9. Additionally, consider purchasing support and maintenance services from Cisco to receive technical support and assistance when needed.

Main Specification

  • Brand Name: Cisco
  • Manufacturer: Cisco Systems, Inc
  • Manufacturer Part Number: ASA5520-AIP20-K9
  • Product Series: 5500
  • Product Model: ASA 5520
  • Product Name: ASA 5520 VPN/Firewall with SSM-AIP-20
  • Product Type: Network Security/Firewall Appliance

Technical Information

  • Virtualization:
  • 130000 x Concurrent Session
  • 300 x IPSec VPN Peer
  • 300 x Web VPN Peer
  • 2 x Security Context
  • 10 x Security Context
  • 9000 x Concurrent Session


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

Network & Communication

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

I/O Expansions

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

Management & Protocols

  • Manageable: Yes


  • Standard Memory: 512 MB
  • Memory Technology: DRAM
  • Flash Memory: 64 MB
  • Memory Card Supported: CompactFlash (CF) Card

Power Description

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

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.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
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UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
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Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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Available throughout all 50 states

FedEx First Overnight®
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Available throughout all 50 states

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:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • You can estimate the shipping cost from the products detail page, also available on the checkout page
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