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FPR2120-ASA-K9 – Cisco Firepower 2120 ASA
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FPR2120-ASA-K9 Description
The Cisco FPR2120-ASA-K9, also known as the Firepower 2120 ASA appliance or Secure Firewall ASA 2120, provides enterprises with a mid-range next-generation firewall platform running the proven Cisco ASA software. Delivering 6 Gbps stateful firewall throughput (3 Gbps multiprotocol) with support for 1.5 million concurrent sessions and 28K new connections per second, the 2120-ASA ensures secure and resilient performance at medium-sized branch offices, internet edge, and campus environments.The appliance supports up to 3,500 VPN peers and ~700 Mbps IPsec VPN throughput, making it ideal for secure remote access and site-to-site connectivity. With Active/Active and Active/Standby high availability, the Firepower 2120 ASA ensures uninterrupted business operations. Multi-context support (2 included, up to 25) makes it suitable for service providers or enterprises that require network segmentation.Management is straightforward through the Cisco Adaptive Security Device Manager (ASDM) for local configuration, while large enterprises can leverage Cisco Security Manager or Cisco Defense Orchestrator (CDO) for centralized management, logging, and monitoring.
Product Highlights
Firewall Throughput (FW+AVC+ IPS)
Max VPN peers
Interfaces
Quick Specs
|
Item |
Specification |
|---|---|
|
Integrated interfaces |
12 × 1G RJ-45 + 4 × 1G SFP |
|
Max interfaces |
Up to 16 (12×1G RJ-45 + 4×1G SFP) |
|
Stateful FW throughput (ASA) |
6 Gbps (multiprotocol: 3 Gbps) |
|
Concurrent connections |
1.5 million |
|
New connections per second |
28,000 |
|
IPsec VPN throughput |
700 Mbps (450B UDP L2L test) |
|
Max VPN peers |
3,500 |
|
Security contexts |
2 included; up to 25 max |
|
High availability |
Active/Active and Active/Standby |
|
Local/centralized mgmt |
ASDM (local); Cisco Security Manager / Cisco Defense Orchestrator (central) |
|
Power |
Single integrated 250W AC PSU; no redundancy |
Key Features
High-Performance ASA Firewall
The Cisco FPR2120-ASA-K9, also known as the Firepower 2120 ASA appliance or Secure Firewall ASA 2120, delivers 6 Gbps stateful firewall throughput (3 Gbps multiprotocol), ensuring reliable performance for medium-sized enterprises and branch internet edges.
Large Connection Scale
With support for 1.5 million concurrent sessions and 28,000 new connections per second, the 2120-ASA handles traffic surges and concurrent application workloads with ease, ensuring business continuity.
Strong VPN Capabilities
Supports up to 3,500 VPN peers and ~700 Mbps IPsec VPN throughput, making it well-suited for secure remote access and inter-site VPN connections across distributed enterprises
High Availability and Resilience
Provides both Active/Active and Active/Standby HA options, allowing enterprises to achieve continuous uptime and seamless failover during upgrades or failures.
Multi-Tenant Support
Ships with 2 security contexts (expandable to 25), enabling enterprises, service providers, or MSSPs to segment networks or deliver multi-customer firewall services.
Flexible Management
Offers local administration through Cisco Adaptive Security Device Manager (ASDM) and centralized management with Cisco Security Manager or Cisco Defense Orchestrator (CDO), giving organizations scalability and operational efficiency.
Applications Scenarios
Medium Enterprise Internet Edge
Perfect for organizations with 3–6 Gbps firewall throughput needs, securing internet access points for regional headquarters or larger branches.
Financial, Healthcare, and Government
Suitable for industries requiring high session capacity, secure VPN connectivity, and compliance (PCI DSS, HIPAA, government standards) to protect sensitive data and remote communications.
Service Providers & MSSPs
With its multi-context capability and centralized management, the FPR2120-ASA is ideal for managed security services and multi-tenant hosting environments that demand both scale and flexibility.
Model Selection Guide – FPR2120-ASA-K9
|
Deployment Requirement |
FPR2120-ASA Suitability & Recommendation |
|---|---|
|
Firewall throughput ~3–6 Gbps |
✔ Yes – Provides 6 Gbps stateful FW (3 Gbps multiprotocol), perfect for medium-sized enterprises and regional internet edges. |
|
High concurrent sessions |
✔ Yes – Supports 1.5M concurrent sessions and 28K CPS, handling busy environments with many simultaneous users and apps. |
|
VPN scale (remote users / site-to-site) |
✔ Strong – Up to 3,500 VPN peers and ~700 Mbps IPsec throughput, suitable for enterprises with significant remote workforce or multiple branches. |
|
High availability needs |
✔ Good – Supports Active/Active and Active/Standby HA, ensuring business continuity during maintenance or failure. |
|
Interface connectivity |
✔ Suitable – 12×1G RJ-45 + 4×1G SFP uplinks. If you require 10G uplinks, consider FPR2130/2140. |
|
Power redundancy |
⚠ Limited – Single 250W AC PSU (no dual PSU option). For redundancy, step up to FPR2130 or higher. |
|
Management model |
✔ Flexible – Local management via ASDM, centralized control via Cisco Security Manager or Cisco Defense Orchestrator (CDO). |
Summary Recommendation
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Form Factor | 1RU | Dimensions (H×W×D) | 1.73 × 16.90 × 19.76 in (4.4 × 42.9 × 50.2 cm) |
| Integrated I/O | 12 × 10/100/1000 RJ-45 + 4 × 1G SFP | Max Interfaces | Up to 16 total (12 RJ-45 + 4 SFP) |
| Mgmt Port | 1 × 10/100/1000 RJ-45 | Console | RJ-45 |
| USB | 1 × USB 2.0 Type-A (500 mA) | Storage | 1 × 100 GB SSD, 1 spare slot |
| ASA Stateful FW | 6 Gbps | ASA Multiprotocol FW | 3 Gbps |
| ASA New Connections/s | 28,000 | ASA Concurrent Sessions | 1.5 million |
| ASA IPsec VPN Throughput | 700 Mbps | ASA Max VPN Peers | 3,500 |
| ASA Security Contexts | 2 included; up to 25 | ASA High Availability | Active/Active & Active/Standby |
| Local Management | ASDM (web-based) | Centralized Management | Cisco Security Manager / Cisco Defense Orchestrator |
| Power Supply | Single integrated 250W AC | AC Input | 100–240V AC; <2.7A @ 100V; 50–60 Hz |
| AC Efficiency | >88% @ 50% load | Redundancy | None (single PSU) |
| Fans / Noise | 4 integrated fans; 56 dBA @ 25°C | Rack Mount | 2-post brackets included; 4-post rails optional |
| Operating Temp | 0–40°C (32–104°F) | Operating Humidity | 10–85% non-condensing |
| Altitude (operating) | Up to 10,000 ft | Weight | 16.1 lb (7.3 kg) |
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