Cisco ASA5555-CU-2AC-K9 8 Ports Networking Security Appliance Firewall
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Why ASA5555-CU-2AC-K9 Cisco ASA 5555-X New is the best?

Availability: In Stock
Part Number#: ASA5555-CU-2AC-K9
List Price was: $37893.24
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Short Description:
ASA5555-CU-2AC-K9 ASA 5555-X Firewall Edition Antivirus, Anti-spyware, Intrusion Prevention Access Control, Content Filtering, Application Layer Filtering 8 Ports Gigabit Ethernet USB 1 Manageable | Made by Cisco | New Factory Sealed

Interface Types of This Product: Security Appliance Firewall

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
We are giving specifications below, why one should consider procuring Cisco Firewall Security Appliance Networking features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the ASA5555-CU-2AC-K9 model with compatibility.

Ensuring High Availability of 8 Ports Network Security Applianc

The Cisco ASA 5555-X Firewall Edition is a high-performance, enterprise-level security appliance designed to provide advanced threat protection and network security. It is designed to deliver high availability and reliability, which are critical features for a security appliance.

Here are some steps you can take to ensure high availability of the Cisco ASA 5555-X Firewall:

  • Redundant Power Supplies: The ASA 5555-X comes with dual redundant power supplies that provide power to the appliance. Ensure that both power supplies are connected to separate power sources to prevent any single point of failure.
  • Redundant Interfaces: The ASA 5555-X comes with eight Gigabit Ethernet ports that can be configured for redundancy using the Link Aggregation Control Protocol (LACP). This can be used to create link redundancy between the firewall and other network devices such as switches.
  • Active/Standby Failover: The ASA 5555-X supports active/standby failover, which provides a high level of redundancy in case of a hardware or software failure. In this configuration, one ASA appliance is designated as the active unit, while the other is the standby unit. The active unit processes traffic while the standby unit monitors the active unit and takes over its role in case of a failure.
  • Monitoring: Monitor the ASA 5555-X appliance using a network monitoring tool such as Cisco Prime Infrastructure or a third-party tool. This will allow you to detect any hardware or software issues and take corrective action before they cause a failure.
  • Regular Maintenance: Regularly perform software upgrades and maintenance on the ASA 5555-X to ensure that it is running the latest software versions and that any issues are addressed promptly.

Protecting Web Applications

The Cisco ASA 5555-X Firewall is a powerful network security appliance designed to protect web applications and other critical network resources. This device is designed to provide comprehensive protection against a wide range of network threats, including viruses, malware, and other types of malicious activity.

The ASA 5555-X Firewall offers a range of advanced security features, including stateful packet inspection, deep packet inspection, intrusion prevention, and web security. These features work together to provide a comprehensive security solution that can detect and prevent attacks in real-time.

One of the key features of the ASA 5555-X Firewall is its ability to inspect traffic at multiple layers of the network stack. This includes application layer traffic, which is critical for protecting web applications. With the ASA 5555-X Firewall, you can define and enforce security policies at the application layer, ensuring that only legitimate traffic is allowed to pass through.

In addition to its security features, the ASA 5555-X Firewall also offers a range of performance and scalability features. With eight ports and support for up to 10 Gbps of throughput, this device can handle even the most demanding network environments. It also offers support for virtualization, allowing you to create multiple virtual instances of the firewall for increased flexibility and scalability.

Troubleshooting Common Issues

The Cisco ASA 5555-X is a high-performance, multi-function security appliance that provides advanced firewall, VPN, and intrusion prevention services. However, like any technology product, it can encounter common issues that need troubleshooting. Here are some of the most common issues that you may encounter with the ASA5555-CU-2AC-K9 and how to troubleshoot them:

  • Configuration issues: The ASA5555-X has a complex configuration process that may lead to errors. To troubleshoot configuration issues, verify that the configuration is correct by reviewing the configuration files, checking for syntax errors, and ensuring that the right security policies are in place.
  • Connectivity issues: Connectivity issues can arise if the ASA5555-X is not properly connected to the network. Verify that the network cables are properly connected and that the network interface is up and running. Also, check that the firewall is correctly configured to allow traffic to pass through.
  • Performance issues: Performance issues may arise if the ASA5555-X is overloaded with traffic or if there is insufficient hardware resources available. To troubleshoot performance issues, monitor system resources, such as CPU and memory usage, and review the firewall's logs for any unusual traffic patterns.
  • Hardware issues: Hardware issues may arise if there is a problem with the physical components of the firewall. To troubleshoot hardware issues, verify that all hardware components are properly installed, check for loose connections or cables, and test hardware components for functionality.
  • Firmware and software updates: Firmware and software updates may be required to address known issues or to improve the functionality of the firewall. To troubleshoot update issues, verify that the firmware or software is compatible with the ASA5555-X, ensure that the update is correctly installed, and review the release notes for any known issues.

General Information

  • Manufacturer: Cisco Systems, Inc
  • Manufacturer Part Number: ASA5555-CU-2AC-K9
  • Brand Name: Cisco
  • Product Line: ASA
  • Product Series: 5500
  • Product Model: ASA 5555-X
  • Product Name: ASA 5555-X Firewall Edition
  • Product Type: Network Security/Firewall Appliance

Technical Information

  • Virtualization-
  • 5000 x IPsec VPN Peers
  • 2 x Premium AnyConnect VPN Peers
  • 1000000 x Concurrent Connections
  • 50000 x New Connections/Second
  • 500 x Virtual Interfaces (VLANs)
  • 2 x Security Contexts
  • Firewall Protection Antivirus
  • Firewall Protection Malware Protection
  • Firewall Protection Worm Scanning
  • Firewall Protection Anti-spyware
  • Firewall Protection Intrusion Prevention
  • Firewall Protection Remote Access Authentication
  • Firewall Protection Access Control
  • Firewall Protection Content Filtering
  • Firewall Protection Application Layer Filtering
  • Encryption Standard 3DES
  • Encryption Standard AES


  • Total Number of Ports: 8
  • USB: Yes

Network & Communication

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

Wireless Specifications

  • Wireless LAN: No
  • O Expansions
  • Number of Total Expansion Slots: 1


  • Standard Memory: 16 GB
  • Flash Memory: 8 GB

Power Description

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

A proper network security appliance is able to provide you with threat defense, new malware protection, insightful reporting, application control, and more in one solution.

With organizations getting more and more reliant on software for automation and streamlining operations, users are getting strong emotional attachments to their vendors and applications. Advanced level appliances are thus needed to maintain the relationship between you, as an end-user, and the vendors.

Security appliances can be defined as any server appliance form that is created for the protection of your computer networks from undesired traffic. There are various types of security appliances in the market. Some of them include:

  1. Preventative devices: These scan networks and recognize probable security issues like vulnerability assessment appliances and penetration testing.
  2. Passive devices: Sense and reports undesired traffic. An example is intrusion detection appliances.
  3. Unified Threat Management (UTM): Appliances bring together features making one system like content filtering, some firewalls, and web caching.
  4. Active devices: These block undesired traffic. Examples of such are anti-virus scanning devices, content filtering devices, and firewalls.

Here at AllHDD, you can find the best network security appliance choosing from our wide variety of options, we have different products with 1 port, 2 ports, 3 ports, and up to 24 ports!

Security Appliances

There is a wide variety of appliances in the market which address most of the security concerns out there. The challenge is that all vendors claim they are able to achieve what your security requirements are. The preference is that this is done via wireless connection.

It would be great if the claims are determined to a particular degree by an independent body. The body would conduct benchmark tests to guarantee your safety is making some assumptions.

Efficiency of Security Appliances

A massive amount of code is employed in the creation of security appliances like IPS or IDS. Buffer overflows probability against a product management interface (management module) like this one is very high. Purchasing a product like this is essential in the hostile and complex computer environment of today.

You need to be aware of the existence of exploitable problems linked with a snort. Snort is the leading Open Source Intrusion Prevention System (IPS) around the globe. It utilizes a string of rules that aid in the definition of malicious activity on the network. It then uses the rules to locate packets matching against the activities and generates you, as the user, alerts.

Snort may be positioned inline to break off these packets. It has three main uses: Like a packet sniffer such as tcpdump, like a complete network intrusion prevention system, or like a packet logger essential in debugging network traffic. You can download snort and configure it for your business or personal use.

VPN in Security Appliances

A VPN device is a network appliance fitted with advanced security features. VPN appliance, also referred to as Secure Sockets Layer (SSL), is effectively a router offering you firewall protection, authorization, load balancing, and encryption for Virtual Private Networks.

It is a network device that uses a public telecommunication framework like the internet to offer individual users or remote offices secured proprietary data access. One of the commonly used conventions for the management of message transmission security on the internet is SSL. An ideal VPN device should provide multi-platform functionality and central management. It should also be compatible with all crucial network applications.

Security Appliances License

In networking, a network license facilitates many users on one particular TCP/IP network to have shared access to product licenses. The installed Network License Manager (NLM) controls the issuance of licenses to users.

On starting an Autodesk product, you are required to have a license from the license server via the network. If you have a license, NLM will allocate the computer and user starting the program a license. One thus decreases the number of licenses available on the server by one.

Here, you can check more available conditions of your desired product ASA5555-CU-2AC-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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Worldwide Shipping Options:

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UPS®/FedEx® Ground Shipping Canada

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Important notes:

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