Cisco ASA5550-UC-BUN-K9 8 x 10/100/1000Base-T LAN, 1 x 10/100Base-TX LAN - 4 x SFP , 1 x CompactFlash (CF) Card Networking Security Appliance Firewall
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ASA5550-UC-BUN-K9 Cisco ASA 5550 Adaptive Security Appliance Refurbished

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Part Number#: ASA5550-UC-BUN-K9
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Short Description:
ASA5550-UC-BUN-K9 ASA 5550 Adaptive Security Appliance UC Security Edition - 8 x 10/100/1000Base-T LAN, 1 x 10/100Base-TX LAN - 4 x SFP , 1 x CompactFlash (CF) Card | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Features and Benefits of Adaptive Security Appliance

The ASA5550-UC-BUN-K9 is a security appliance offered by Cisco that provides advanced security features and benefits to help organizations protect their networks and data. Here are some more details about the features and benefits of the ASA5550-UC-BUN-K9:


  • Firewall: The ASA5550-UC-BUN-K9 comes with a stateful firewall that inspects traffic at the application layer, providing enhanced security against threats such as viruses, worms, and malware.
  • VPN: The ASA5550-UC-BUN-K9 also provides virtual private network (VPN) functionality, allowing remote users to securely access corporate networks from anywhere in the world.
  • Intrusion Prevention System (IPS): The appliance features an IPS that provides real-time threat protection, detecting and preventing attacks before they can cause damage.
  • Content Filtering: The ASA5550-UC-BUN-K9 also includes content filtering capabilities, which allow administrators to block access to certain websites or types of content.
  • Unified Communications: The appliance supports unified communications (UC), providing secure voice and video communications over the internet.


  • Enhanced Security: The ASA5550-UC-BUN-K9 provides advanced security features that help organizations protect their networks and data from a wide range of threats.
  • Scalability: The appliance is designed to scale to meet the needs of growing organizations, providing high-performance security for even the largest networks.
  • Reduced Costs: The ASA5550-UC-BUN-K9 offers a cost-effective solution for organizations that need advanced security features but don't want to invest in expensive hardware and software.
  • Easy to Manage: The appliance is easy to manage, with a user-friendly interface that makes it simple for administrators to configure and monitor security settings.
  • High Availability: The ASA5550-UC-BUN-K9 is designed for high availability, with features such as redundant power supplies and hot-swappable components that help ensure uptime and reliability.

Creating Virtual Private Networks

The Cisco ASA 5550 Adaptive Security Appliance is a network security device that can be used to create virtual private networks (VPNs). A VPN is a secure way to connect two or more networks together over the internet or other public networks, while ensuring the privacy and confidentiality of the data that is transmitted between them.

The ASA 5550 can be used to create two types of VPNs: site-to-site VPNs and remote-access VPNs.

Site-to-Site VPNs A site-to-site VPN connects two or more networks together over the internet or other public networks. This type of VPN is often used to connect branch offices or remote locations to a company's main office network. The ASA 5550 can be configured to use several protocols to create site-to-site VPNs, including IPsec, SSL, and PPTP.

Remote-Access VPNs A remote-access VPN allows individual users to connect to a private network from a remote location over the internet or other public networks. This type of VPN is often used by remote workers who need to access company resources from their home or while traveling. The ASA 5550 can be configured to use several protocols to create remote-access VPNs, including IPsec, SSL, and AnyConnect.

The ASA 5550 comes with several features that make it an ideal choice for creating VPNs. These features include:

  • Firewall protection: The ASA 5550 provides stateful inspection firewall protection, which means that it can detect and block unauthorized access to the network.
  • VPN acceleration: The ASA 5550 has built-in VPN acceleration technology that allows it to handle a large number of VPN connections simultaneously without affecting network performance.
  • High availability: The ASA 5550 can be configured in a high-availability (HA) cluster to provide redundancy and failover capabilities.
  • Management and monitoring: The ASA 5550 can be managed and monitored using Cisco's Adaptive Security Device Manager (ASDM), a web-based GUI that allows administrators to configure, monitor, and troubleshoot the device.

Enhancing User Authentication

The Cisco ASA 5550 Adaptive Security Appliance is a high-performance firewall and VPN device designed to protect enterprise networks and data centers. It comes bundled with the ASA5550-UC-BUN-K9 User Context license, which provides enhanced user authentication capabilities.

User authentication is the process of verifying the identity of a user who is trying to access a system or network resource. It is a critical security measure to prevent unauthorized access and protect sensitive data. The ASA5550-UC-BUN-K9 license adds several features to the ASA 5550 appliance to enhance user authentication.

Here are some of the ways that the ASA5550-UC-BUN-K9 license enhances user authentication:

  • Identity-based firewall policies: The ASA 5550 can use user identities to enforce more granular firewall policies. For example, you can allow certain users or groups to access specific resources, while denying access to others.
  • Single sign-on: The ASA 5550 can integrate with various authentication protocols, such as Active Directory, LDAP, and RADIUS, to enable users to log in once and access multiple resources without having to re-enter their credentials.
  • Identity tracking: The ASA 5550 can track user activity across multiple devices and sessions, allowing administrators to monitor user behavior and detect anomalies that may indicate a security threat.
  • Identity-aware VPNs: The ASA 5550 can create VPN tunnels that are tied to specific user identities, rather than just IP addresses. This allows administrators to enforce more granular access policies based on user roles and responsibilities.

Main Specification

  • Manufacturer: Cisco Systems, Inc
  • Manufacturer Part Number: ASA5550-UC-BUN-K9
  • Brand Name: Cisco
  • Product Line: ASA
  • Product Series: 5500
  • Product Model: ASA 5550
  • Product Name: ASA 5550 Adaptive Security Appliance UC Security Edition
  • Product Type: Security appliance


  • Form Factor: Rack-mountable
  • Connectivity Technology: Wired
  • Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet
  • Network / Transport Protocol IPSec
  • Performance VPN throughput : 425 Mbps
  • Firewall throughput : 1.2 Gbps
  • Capacity SSL VPN peers : 2
  • IPSec VPN peers : 5000
  • UC proxy sessions : 3000
  • Features: Firewall protection, VPN support, VLAN support
  • Encryption Algorithm Triple DES, AES, SSL

Connectivity Slots

  • Expansion Slot(s) 4 (total) / 4 (free) x SFP (mini-GBIC)
  • Interfaces 8 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
  • 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45
  • 1 x serial - auxiliary - RJ-45
  • 2 x Hi-Speed USB - 4 PIN USB Type A
  • 1 x management - console - RJ-45


  • Compliant Standards CE, FCC Class A certified, CISPR 22 Class A, EN 60950, EN 61000-3-2, UL 1950, VCCI Class A ITE, IEC 60950, EN 61000-3-3, CSA 22.2 No. 950, EN55022 Class A, ACA TS001, AS/NZS 3260, FCC Part 15

Power Supply

  • Power Device: Power supply - internal
  • Voltage Required: AC 120/230 V ( 50/60 Hz )
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.

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Shipping Options and Estimated Delivery Time

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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:

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FedEx Standard Overnight®
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FedEx Priority Overnight®
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FedEx First 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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