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ASA5506H-SP-BUN-K9 Cisco 4 Ports Firewall Appliance 50 VPN Gigabit Ethernet

ASA5506H-SP-BUN-K9
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Brief Overview of ASA5506H-SP-BUN-K9

Cisco ASA5506H-SP-BUN-K9 4 Ports Firewall Appliance 50 VPN Gigabit Ethernet. Excellent Refurbished with 1 year replacement warranty

$762.75
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SKU/MPNASA5506H-SP-BUN-K9Availability✅ In StockProcessing TimeUsually ships same day ManufacturerCisco Product/Item ConditionExcellent Refurbished ServerOrbit Replacement Warranty1 Year Warranty
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Description

Product Overview of the Cisco Security Appliance

The Cisco ASA5506H-SP-BUN-K9 is a compact yet powerful next-generation network security appliance engineered to deliver advanced threat protection, secure connectivity, and reliable firewall performance for modern enterprise environments. Designed with efficiency in mind, this model integrates robust security services, high-speed processing, and scalable VPN capabilities to safeguard critical business networks while maintaining optimal performance levels.

General Information

  • Manufacturer: Cisco 
  • Model Identifier: ASA5506H-SP-BUN-K9
  • Category: Unified Security / Firewall Appliance

Technical Specification

  • Stateful Firewall Inspection Capacity: up to 750 Mbps
  • Multi-protocol Inspection Speed: 300 Mbps
  • Application Visibility & Control: 250 Mbps
  • Combined IPS + Application Control: 125 Mbps
  • 3DES / AES VPN Encryption Performance: 100 Mbps
  • Connection Handling Rate: approximately 5,000 new sessions per second

Interface & Connectivity Options

  • 4 × 1 Gigabit Ethernet data ports for high-speed networking
  • 1 × 10/100/1000 management interface (shared with FirePOWER module)
  • USB 2.0 Type-A port for external device support
  • Console access via RJ-45 and Mini-USB for configuration flexibility

Hardware & System Architecture

  • Memory Capacity: 4 GB RAM for stable processing performance
  • Flash Storage: 8 GB onboard system storage
  • Internal SSD: 50 GB mSATA for enhanced data handling
  • Noise Level: 0 dBA due to fanless architecture

Scalability, Security & Advanced Features

  • Supports up to 50,000 concurrent network sessions
  • IPSec VPN peer support: up to 50 secure tunnels
  • AnyConnect remote access VPN users: up to 50 connections
  • Virtual LAN (VLAN) segmentation: up to 30 interfaces
  • High Availability Mode: Active/Standby failover configuration

Compatibility

  • Fully compatible with Cisco FirePOWER services for advanced threat detection
  • Supports Cisco AnyConnect Secure Mobility Client for remote VPN access
  • Interoperable with standard IPSec and SSL VPN protocols
  • Works with VLAN-based segmented network architectures
  • Supports integration with Cisco ASA operating system-based environments
  • Compatible with enterprise routers, switches, and core network infrastructure
  • Suitable for cloud-connected and on-premise hybrid security deployments

The Cisco ASA5506H-SP-BUN-K9 Network Security Appliance

The Cisco ASA5506H-SP-BUN-K9 4 Ports Network Security Appliance represents a compact yet highly capable branch-level security solution designed for modern enterprise network environments that require strong perimeter protection, reliable traffic control, and advanced threat mitigation. This category of network security appliance is engineered to deliver integrated firewall services, VPN connectivity, intrusion prevention capabilities, and deep packet inspection in a unified platform. The hardware architecture is optimized for small to medium branch deployments where performance, reliability, and security policy enforcement must coexist within a limited physical footprint.

This category of security appliance is widely recognized for its ability to combine multiple security functions into a single device, reducing operational complexity and improving overall network visibility. The Cisco ASA5506H-SP-BUN-K9 is positioned as a next-generation firewall appliance that supports secure internet access, inter-site communication, and internal segmentation, making it suitable for distributed enterprise environments, service provider deployments, and managed security service infrastructures.

Core Security Protection Capabilities

The Cisco ASA5506H-SP-BUN-K9 security appliance category is built around a strong security engine that enables stateful inspection firewall technology. This allows the device to monitor active connections, enforce access control policies, and block unauthorized traffic based on predefined security rules. The appliance operates at multiple layers of the network stack, ensuring that both application-level threats and protocol-level vulnerabilities are effectively mitigated.

Threat protection within this category includes mechanisms for detecting anomalous traffic behavior, preventing intrusion attempts, and controlling malicious payload delivery. The system is designed to inspect packet headers and payloads in real time, enabling proactive identification of suspicious activity. This makes it highly suitable for environments where sensitive data must be protected from external and internal threats.

Additionally, this category supports adaptive security policies that can dynamically respond to changes in network traffic patterns. This ensures that organizations can maintain continuous protection without requiring constant manual reconfiguration, improving operational efficiency and reducing security management overhead.

Four-Port Network and Connectivity

The Cisco ASA5506H-SP-BUN-K9 4-port architecture provides flexible network segmentation options that allow administrators to define multiple security zones within a single device. Each port can be configured to operate in different roles such as inside network, outside network, management interface, or demilitarized zone connectivity. This flexibility is essential for building secure network topologies that separate trusted and untrusted traffic flows.

The physical interface design supports high-speed Ethernet connectivity, ensuring stable data transfer across different network segments. The appliance is capable of handling simultaneous traffic streams while maintaining low latency and consistent throughput. This makes it suitable for business-critical applications that require uninterrupted network performance.

Network administrators benefit from the ability to segment traffic into logical zones, allowing better control over data flow and improved security enforcement. This design also enhances scalability, enabling organizations to expand network infrastructure without replacing the core security appliance.

Virtual Private Network (VPN) Integration

The Cisco ASA5506H-SP-BUN-K9 category includes robust VPN capabilities that enable secure communication between remote users, branch offices, and central data centers. VPN functionality is essential for organizations with distributed workforces or multiple geographic locations requiring encrypted communication channels.

The appliance supports secure tunneling mechanisms that protect data integrity and confidentiality during transmission over public networks. This ensures that sensitive information remains protected even when accessed remotely. The VPN architecture is designed to maintain stable connections while minimizing latency and ensuring consistent performance.

Remote access capabilities allow employees and authorized users to securely connect to internal network resources from external locations. This enhances workforce mobility while maintaining strict security controls. The system also supports site-to-site VPN configurations, enabling secure interconnection between multiple branch networks.

Advanced Additional Systems

Intrusion prevention systems integrated within this category provide an additional layer of security by actively monitoring network traffic for signs of malicious activity. The appliance uses signature-based detection methods combined with behavioral analysis techniques to identify potential threats in real time.

Advanced threat detection capabilities allow the system to recognize known attack patterns as well as emerging threats that may not yet be widely documented. This proactive approach ensures that organizations are protected against both conventional and evolving cybersecurity risks.

The system can automatically block suspicious traffic, alert administrators, and generate security reports that provide insight into attempted intrusions. This enhances situational awareness and enables faster response to potential security incidents.

Performance Optimization

The performance capabilities of the Cisco ASA5506H-SP-BUN-K9 category are optimized for handling concurrent network sessions while maintaining high throughput. The appliance is designed to support multiple users and applications without significant degradation in performance, making it suitable for growing business environments.

Traffic handling efficiency is achieved through hardware acceleration and optimized processing algorithms that reduce latency and improve packet forwarding speed. This ensures that even during peak usage periods, network performance remains stable and reliable.

The system is capable of prioritizing critical traffic types, ensuring that essential business applications receive sufficient bandwidth and network resources. This contributes to improved user experience and operational continuity.

Deployment Scenarios and Enterprise Use Cases

The Cisco ASA5506H-SP-BUN-K9 category is widely deployed in branch office environments, retail networks, educational institutions, healthcare facilities, and small enterprise infrastructures. Its compact design and integrated security features make it suitable for locations where space and resource optimization are critical considerations.

In branch office deployments, the appliance provides centralized security enforcement while enabling secure connectivity to headquarters. In retail environments, it supports secure transaction processing and customer data protection. In educational and healthcare settings, it helps safeguard sensitive information and maintain regulatory compliance requirements.

Service providers also utilize this category to deliver managed security services to clients, leveraging its multi-functional capabilities to support diverse network architectures.

Network Cisco ASA5506H-SP-BUN-K9 Security

Network visibility is a key aspect of the Cisco ASA5506H-SP-BUN-K9 category, enabling administrators to monitor traffic flow, analyze usage patterns, and identify potential performance bottlenecks. The appliance provides detailed insights into network behavior, allowing for informed decision-making and proactive network management.

Monitoring tools integrated within the system allow real-time tracking of active sessions, bandwidth utilization, and security events. This visibility helps organizations maintain optimal network performance while ensuring security compliance.

The appliance also supports reporting functions that generate structured information about network activity, enabling long-term analysis and capacity planning.

Scalability and Integration

The Cisco ASA5506H-SP-BUN-K9 category is designed to integrate seamlessly with existing enterprise network infrastructure. It supports interoperability with routing systems, switching platforms, and centralized management tools, allowing organizations to build cohesive security architectures.

Scalability is achieved through modular configuration options and support for multiple network interfaces. As organizational needs grow, the appliance can be adapted to support increased traffic loads and additional security requirements.

Integration capabilities ensure that the appliance can function as part of a larger security ecosystem, contributing to unified threat management and centralized policy enforcement across distributed environments.

Operational Reliability

Operational reliability is a defining characteristic of the Cisco ASA5506H-SP-BUN-K9 category. The appliance is engineered to provide continuous protection without interruptions, ensuring that network services remain available at all times. This is particularly important for business-critical environments where downtime can result in operational disruption.

The system is designed with stability-focused architecture that minimizes the risk of failure and ensures consistent performance under varying load conditions. Continuous monitoring and automated response mechanisms contribute to maintaining a secure and stable network environment.

This reliability makes the category suitable for organizations that require dependable security infrastructure capable of supporting long-term operational demands.

Features
Product/Item Condition:
Excellent Refurbished
ServerOrbit Replacement Warranty:
1 Year Warranty