Cisco PIX-515E-FO-BUN is a high-availability firewall bundle based on the Cisco PIX 515E platform. It includes two PIX 515E firewall appliances configured for failover, providing redundant, enterprise-grade network security.

Designed for environments requiring continuous uptime, this bundle enables active/standby failover, ensuring uninterrupted firewall and VPN services in case of hardware or network failure.

? KEY FEATURES

• Dual firewall bundle (2 × PIX 515E units)
• Built-in failover capability (Active/Standby)
• Stateful firewall with real-time session synchronization
• IPSec VPN support for secure remote and site-to-site connectivity
• Multiple Fast Ethernet interfaces for network segmentation
• Hardware-based security processing
• Designed for high availability enterprise deployments

⚙️ TECHNICAL SPECIFICATIONS 

? Hardware Platform

• Base model: Cisco PIX 515E
• Bundle type: Failover (FO-BUN)
• Firewall OS: Cisco PIX OS
• Form factor: 1U per appliance (2U total for bundle)

? Interfaces (per unit)

• Up to 6 × 10/100 Fast Ethernet ports
• Dedicated failover interface (state synchronization)
• Console port for management

? Security & VPN

• Firewall throughput: up to ~190 Mbps per unit
• VPN throughput: up to ~130 Mbps
• Supports IPSec VPN (site-to-site & remote access)
• Stateful failover with session replication
• DES / 3DES / AES encryption (license dependent)

? Memory (per unit)

• DRAM: 64–128 MB
• Flash: 16 MB

⚡ Performance

• Concurrent sessions: up to ~130,000 per unit
• High availability mode: Active / Standby