Name: ASA5520-BUN-K9 Cisco ASA 5520 5-Port FE/GE Firewall Security Appliance 2x Expansion Slots
Brand: Cisco
SKU: ASA5520-BUN-K9
Price: 419.49 USD
Availability: InStock
Rating: 4.8 (114 reviews)

Product Overview
The Cisco ASA 5520 firewall security appliance combines multiple Ethernet ports with modular expansion to deliver versatile network protection. It fits well within enterprise networks, providing a solid foundation for controlling and securing data traffic without unnecessary complexity.

General Information
Brand	Cisco
Part Number	ASA5520-BUN-K9

Technical Information
Interface	Fast Ethernet,Gigabit Ethernet
Ports	5 (mix of FE/GE) + 2 expansion slots
Security	Firewall
VPN Support	IPSec,SSL
OS Support	Cisco ASA OS, ASDM (Java-based - Windows, Linux, macOS)

Physical Characteristics
Form Factor	Rackmount, 1U
Weight	3.00
Condition	Refurbished

Miscellaneous
Assembly Required	Yes
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, cURus, CE, FCC, CCC, UL, TUV, cULus, CSA, cUL

Product Description
The Cisco ASA 5520 is a security appliance built to manage and protect network traffic effectively. Often found in medium to large business environments, it combines firewall capabilities with advanced threat defense. Commonly used in data centers and corporate networks, it supports secure communication by inspecting and filtering incoming and outgoing traffic. IT professionals and network administrators rely on devices like this to maintain robust security postures while ensuring smooth network operations. Key Features Provides multiple Fast and Gigabit Ethernet interfaces for flexible connectivity Expansion slots allow integration of additional security modules or interfaces Offers comprehensive firewall and VPN services in a single device Capable of handling high throughput suitable for enterprise needs Supports advanced intrusion prevention and content security features This appliance is typically deployed in enterprise perimeter networks or data centers where security and performance are critical. Its modular design allows organizations to adapt and expand as needed, making it a practical choice for evolving security demands.

Use Cases
The Cisco ASA 5520 firewall appliance is typically deployed in enterprise IT environments where comprehensive network security and flexible expansion are crucial. It suits organizations requiring robust perimeter defense combined with adaptable interface options to accommodate evolving network infrastructure. How It's Used: Securing branch office networks by providing firewall protection and traffic inspection for medium-sized remote locations. Protecting data center edge infrastructure by controlling inbound and outbound traffic with high throughput and modular scalability. Serving as a perimeter security device in enterprise headquarters with multiple network segments requiring strict access control. Integrating into virtualization environments where segmented network zones need distinct firewall policies and high availability. Deploying in managed service provider networks to isolate customer environments while offering scalable security services. By supporting modular expansion and multiple Ethernet interfaces, the Cisco ASA 5520 enables organizations to tailor firewall capabilities to their operational demands. This adaptability helps maintain security posture while accommodating network growth and diversified workloads.

Tech Atlantix

ASA5520-BUN-K9 Cisco ASA 5520 5-Port FE/GE Firewall Security Appliance 2x Expansion Slots

ASA5520-BUN-K9

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