Cisco PIX-515E-UR-BUN Firewall Appliance (PIX 515E Series)

Cisco PIX-515E-UR-BUN is a legacy enterprise firewall appliance from the Cisco PIX 500 Series Security Firewall family.

It is the “Unrestricted Bundle” (UR-BUN) variant of the PIX 515E, meaning it comes with:

• Higher feature licensing
• More interfaces support
• Enhanced VPN capability via hardware acceleration

This appliance was widely used as a perimeter firewall and VPN gateway in small-to-medium enterprise networks before being replaced by Cisco ASA series.

Key Features

• Stateful inspection enterprise firewall
• 2 × built-in 10/100 Fast Ethernet ports
• Supports up to 6 × Ethernet interfaces (depending on configuration/license)
• Integrated VPN hardware acceleration (VAC / VAC+)
• Supports:
  • IPsec VPN (site-to-site & remote access)
  • NAT/PAT
  • Stateful inspection firewalling
• Optional failover support (high availability setups)
• Cisco PIX OS security platform

Performance

• Firewall throughput: up to ~188–190 Mbps
• VPN throughput (3DES): up to ~130–135 Mbps
• Simultaneous VPN tunnels: up to ~2000
• Concurrent connections: ~130,000

Technical Specifications

• Model: PIX-515E-UR-BUN
• Series: Cisco PIX 515E Firewall
• CPU: Intel Celeron ~433 MHz
• RAM: 128 MB (UR model)
• Flash: 16 MB
• Interfaces:
  • 2 × Fast Ethernet onboard
  • Expandable via PCI cards
• Form factor: 1U rackmount appliance
• Operating system: Cisco PIX OS
• Security features: Firewall, VPN, NAT, ACLs, stateful inspection