Cisco Firepower 4250 Next-Gen Firewall

Cisco Firepower 4250 Next-Gen Firewall

Brand: Cisco | Category: Network Security

SKU: CISC-FPR4250NGFWK9 | Part #: FPR4250-NGFW-K9 | MPN: FPR4250-NGFW-K9

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About the Cisco Firepower 4250 Next-Gen Firewall

The Cisco Firepower 4250 is a high-throughput next-generation firewall appliance engineered for large enterprise and service provider perimeter deployments where sustained performance under full threat inspection is non-negotiable. Built on Cisco's purpose-built Security Processing Unit (SPU) architecture, the 4250 offloads cryptographic operations and deep packet inspection to dedicated silicon, ensuring firewall throughput does not degrade when TLS/SSL decryption, intrusion prevention, and advanced malware protection are simultaneously enabled. The platform runs Cisco Secure Firewall Threat Defense (FTD) software, unifying stateful firewall, application visibility and control, URL filtering, IPS, and encrypted traffic analytics into a single coherent policy engine managed through Cisco Secure Firewall Management Center or on-box Firewall Device Manager.

Ideal for

  • Enterprise internet edge enforcement with full TLS 1.3 inspection and advanced malware protection across 20+ Gbps sustained traffic volumes
  • Data center perimeter segmentation enforcing micro-segmentation policies between internal application tiers using multi-instance deployments
  • Service provider managed security services delivering tenant-isolated firewall instances from a single shared high-throughput appliance
  • Encrypted traffic analytics in financial services environments where breaking all TLS sessions is restricted by compliance but behavioral threat detection remains mandatory
  • High-availability perimeter clustering for healthcare and critical infrastructure operators requiring sub-second failover and zero-downtime maintenance windows
  • Campus aggregation security enforcement for large universities and government networks combining application control, URL filtering, and IPS at the network core

Technical specifications

ManufacturerCisco
Product SeriesFirepower 4100
ModelFirepower 4250
Form Factor2U Rack-Mount Appliance
Firewall Throughput (Stateful)Up to 55 Gbps
NGFW Throughput (App Control + IPS)Up to 22 Gbps
Threat Defense Throughput (Full Inspection)Up to 20 Gbps
TLS Inspection ThroughputUp to 18 Gbps (hardware-accelerated)
Maximum Concurrent SessionsUp to 30,000,000
New Sessions Per SecondUp to 350,000
IPsec VPN ThroughputUp to 22 Gbps
Maximum VPN Peers (IPsec)Up to 20,000
Network Interfaces (Fixed)8 x 10GbE SFP+ (4 x management/HA + 4 x data), 2 x 1GbE copper management
Network Module Expansion Bay1 x rear expansion bay supporting 40GbE QSFP+ or 100GbE QSFP28 network modules
Multi-Instance SupportYes — up to 6 independent logical firewall instances per chassis
Clustering SupportUp to 6-node cluster (active/active and active/standby); linear throughput scaling
Security SoftwareCisco Secure Firewall Threat Defense (FTD) with Snort 3 IPS engine
Management OptionsCisco Secure Firewall Management Center (FMC), on-box Firewall Device Manager (FDM), Cisco Defense Orchestrator (CDO) cloud management
Threat IntelligenceCisco Talos real-time feeds; Encrypted Visibility Engine (EVE) for encrypted traffic classification
Redundant Power SuppliesDual hot-swappable AC or DC power supplies (N+1)
Storage2 x 960 GB SSD (RAID 1 mirrored) for logging and local packet capture
Operating Temperature0°C to 40°C (32°F to 104°F)
Power Consumption (Typical)Approximately 850 W
Rack Units2U
Compliance & CertificationsFIPS 140-2 Level 2, Common Criteria EAL4+, UCAPL, TAA compliant

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandCisco
CategoryNetwork Security
SKUCISC-FPR4250NGFWK9
Part NumberFPR4250-NGFW-K9
ConditionNew
Product SeriesFirepower 4100
ModelFirepower 4250
Form Factor2U Rack-Mount Appliance
Firewall Throughput (Stateful)Up to 55 Gbps
NGFW Throughput (App Control + IPS)Up to 22 Gbps
Threat Defense Throughput (Full Inspection)Up to 20 Gbps
TLS Inspection ThroughputUp to 18 Gbps (hardware-accelerated)
Maximum Concurrent SessionsUp to 30,000,000
New Sessions Per SecondUp to 350,000
IPsec VPN ThroughputUp to 22 Gbps
Maximum VPN Peers (IPsec)Up to 20,000
Network Interfaces (Fixed)8 x 10GbE SFP+ (4 x management/HA + 4 x data), 2 x 1GbE copper management
Network Module Expansion Bay1 x rear expansion bay supporting 40GbE QSFP+ or 100GbE QSFP28 network modules
Multi-Instance SupportYes — up to 6 independent logical firewall instances per chassis
Clustering SupportUp to 6-node cluster (active/active and active/standby); linear throughput scaling
Security SoftwareCisco Secure Firewall Threat Defense (FTD) with Snort 3 IPS engine
Management OptionsCisco Secure Firewall Management Center (FMC), on-box Firewall Device Manager (FDM), Cisco Defense Orchestrator (CDO) cloud management
Threat IntelligenceCisco Talos real-time feeds; Encrypted Visibility Engine (EVE) for encrypted traffic classification
Redundant Power SuppliesDual hot-swappable AC or DC power supplies (N+1)
Storage2 x 960 GB SSD (RAID 1 mirrored) for logging and local packet capture
Operating Temperature0°C to 40°C (32°F to 104°F)
Power Consumption (Typical)Approximately 850 W
Rack Units2U
Compliance & CertificationsFIPS 140-2 Level 2, Common Criteria EAL4+, UCAPL, TAA compliant

Frequently Asked Questions about Cisco Firepower 4250 Next-Gen Firewall

What does the Cisco Firepower 4250 Next-Gen Firewall do?

The Cisco Firepower 4250 Next-Gen Firewall is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.

What are the headline specs of the Cisco Firepower 4250 Next-Gen Firewall?

Key specifications for the Cisco Firepower 4250 Next-Gen Firewall: new condition; manufacturer Cisco; product series Firepower 4100; model Firepower 4250; form factor 2U Rack-Mount Appliance; firewall throughput (stateful) Up to 55 Gbps; ngfw throughput (app control + ips) Up to 22 Gbps. Manufacturer part number FPR4250-NGFW-K9. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the Cisco Firepower 4250 Next-Gen Firewall compatible with my infrastructure?

The Cisco Firepower 4250 Next-Gen Firewall interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.