Full English Description for Cisco FPR2140-NGFW-K9 (Official PID: FPR2140-K9)

1. Official Short Order Description

Cisco FPR2140-NGFW-K9: Flagship modular 1RU rack-mount Next-Generation Firewall (NGFW) from discontinued Cisco Firepower 2100 series, factory preloaded Firepower Threat Defense (FTD) as primary OS, permanent Security Plus K9 unrestricted base license. Base fixed port layout: 12×1GBASE-T RJ45 copper ports + 4×1/10G SFP+ multi-speed fiber uplink slots, one dedicated empty NetMod expansion bay for optional interchangeable network modules, standalone 1G out-of-band management port, RJ45 serial console, single USB 2.0 Type-A port, dual hot-swappable redundant internal 400W AC power supplies, flagship dual-processor architecture (12-core Intel x86 main CPU + dedicated 10-core Cavium NPU crypto/threat inspection processor), 32GB DDR4 DRAM, dual SSD drive bays (1×200GB SATA SSD factory preinstalled, second slot optional for Malware Storage Pack). Dual OS support: FTD default boot image, optional Cisco ASA OS v9.x. Official certified performance metrics (1500B UDP packets): 20.0 Gbps raw firewall throughput, 8.5 Gbps full threat-inspected NGFW throughput (FW+AVC+IPS), 8.5 Gbps standalone Snort 3 NGIPS throughput, 3.0 Gbps hardware-accelerated IPsec VPN throughput, 1.0 Gbps TLS hardware decryption throughput, maximum 10,000 total concurrent AnyConnect / IKEv1/IKEv2 IPsec VPN peers, 3,000,000 concurrent TCP/UDP connections, 75,000 new connections per second, 1024 logical routed VLANs, up to 40 multi-context virtual firewalls under K9 licenseCisco. Managed via local ASDM GUI, Firepower Management Center (FMC), Cisco Security Manager (CSM), Cisco Defense Orchestrator (CDO), offline serial console and USB storage. Discontinued legacy flagship large enterprise & nationwide DMVPN core rack security hardware with remaining Cisco EOL support lifecycle, designed for large enterprise headquarters, nationwide retail central aggregation hubs, multi-building university core edge, carrier-grade MSP multi-tenant colocation and high-bandwidth distributed enterprise network segmentationCisco.

2. Complete Detailed Product Overview

Product Line Positioning

The Cisco FPR2140-NGFW-K9 is the flagship top-tier modular rack appliance in the Firepower 2100 series, positioned above mid-high tier FPR2130 modular model and all fixed-port FPR2110/FPR2120. It retains the base 12×1G copper + 4×SFP+ fixed port layout with one NetMod expansion bay, but upgrades to a flagship dual multi-core processor platform, doubles redundant hot-swappable power supplies, larger 3M concurrent session capacity, expanded 10,000 VPN peer limit and support for up to 40 multi-context virtual firewalls for hyperscale MSP multi-tenant environments. The dual-processor architecture separates general firewall forwarding and cryptographic/threat inspection workloads to eliminate performance degradation when full IPS, AMP, TLS decryption and AVC features run simultaneously at maximum throughput. Factory pre-installed Firepower Threat Defense (FTD) NGFW stack as primary firmware, while retaining native ASA OS compatibility for large-scale legacy ASA hardware migration projects.

The K9 suffix delivers permanent Security Plus unrestricted licensing, removing weak DES encryption limitations and unlocking full enterprise feature set including expanded 40 multi-context virtualization, unlimited TLS proxy sessions, complete dual-mode high availability and 1024 VLAN capacity, exceeding all lower Firepower 2100 models. Cisco has announced end-of-sale for the entire Firepower 2100 series, fully superseded by the modern Secure Firewall 1200 generation platformCisco.

Physical Hardware & 1RU Rack-Mount Architecture

Form Factor & Mechanical Specifications

Standard 19-inch EIA-310-D rack-mountable 1RU metal chassis with hot-swappable redundant 3+1 variable-speed front-to-back airflow cooling fans; single fan failure does not interrupt operation, remaining fans auto ramp to full speed. Dimensions: 4.4cm (H) × 42.9cm (W) × 50.2cm (D) / 1.73 × 16.90 × 19.76 inches, total weight 10.2kg.
Dual built-in hot-swappable universal 100–240V 50/60Hz 400W AC power supplies integrated inside chassis, redundant power for mission-critical 24/7 operation; typical power draw 60W, max 90W under full throughput loadCisco.
Operating temperature range: 0°C ~ +45°C below 6000ft altitude; 0°C ~ +35°C from 6000–13000ft; short-term tolerance -5°C ~ +55°C; humidity 10–85% non-condensing, max operating altitude 3962mCisco.
Front panel multi-color LED indicators: Global power status, dual PSU health, system health, Firepower threat defense operational state, failover synchronization status, fan fault alarm, per-port link/activity LEDs for all copper, SFP+ and management interfaces.
Integrated Kensington security lock slot for physical anti-tampering protection against unauthorized chassis disassembly.
Hardware core: Dual flagship high-performance architecture (12-core Intel x86 general CPU + dedicated 10-core Cavium NPU with native QuickAssist crypto offload engine for IPsec/TLS acceleration), 32GB soldered DDR4 high-speed SDRAM, 16GB onboard eMMC boot flash, dual non-hot-swappable SSD drive bays (1×200GB SATA SSD factory preinstalled, second empty slot for optional Malware Storage Pack; RAID unsupported).
Rear peripheral interfaces: 1×USB 2.0 Type-A port for external flash backup, firmware upload and log offloading; RJ45 RS-232 serial console for offline device recovery without network connectivity.
Compliance certifications: FCC Class A, CE, FIPS 140-3 Level 1, EMC enterprise industrial standard, full NEBS Level 3 qualified.

Rear Panel Fixed Port Layout

Base Hybrid Multi-Speed Data Port Group (12×1G RJ45 + 4×1/10G SFP+)
- 12 × 10/100/1000BASE-T Auto-MDI/MDIX RJ45 copper ports for internal corporate LAN, research DMZ and short-range high-bandwidth WAN segmentation; integrated wire-speed L2 switching chip enables local inter-port switching without external access switches.
- 4 × SFP+ fiber slots supporting both 1G and 10G SFP/SFP+ transceivers (SR/LR/SX) for long-distance inter-campus / inter-branch fiber backbone uplinks and high-speed 10G data center/cloud connections.
NetMod Expansion Bay: One empty modular slot for optional interchangeable network modules (SM-16GE, SM-4SFP10, SM-8SFP10-FTW fail-to-wire) to expand port density without chassis replacementCisco.
Management0/0: Fully isolated dedicated 1G out-of-band management port, separated entirely from production data plane traffic for secure FMC/ASDM/CDO administrative communication.
RJ45 serial console port, single USB 2.0 storage port, recessed hardware factory reset pushbutton.
Dual IEC AC power input sockets for two bundled power cords, dual redundant integrated power supplies.
DB-15 serial failover port for real-time session synchronization in Active/Standby or Active/Active HA firewall pair deployments.

Optional Expansion Hardware

FPR2140-NGFW-K9 supports interchangeable NetMod interface cards for flexible capacity expansion:

SM-16GE: 16×1G RJ45 copper module
SM-4SFP10: 4×10G SFP+ fiber module
SM-8SFP10-FTW: 8×10G SFP+ fail-to-wire fiber module

All SFP/SFP+ optical transceivers sold separately as compatible accessories. No internal threat expansion blades supported.

Core Performance & K9 Security Plus Full License Capabilities

Official Cisco Datasheet Performance Benchmarks (FTD OS)

Raw firewall throughput (FW only, 1500B UDP): 20.0 Gbps
Full threat-inspected NGFW throughput (FW+AVC+IPS): 8.5 Gbps
Standalone Snort 3 NGIPS inspection throughput: 8.5 Gbps
Hardware-accelerated 3DES/AES IPsec VPN throughput: 3.0 Gbps
TLS hardware decryption throughput: 1.0 Gbps
Maximum concurrent TCP/UDP connections with AVC application control: 3,000,000 (20,000 hard cap on K8 DES base license)
Maximum new connections per second with AVC: 75,000
Total concurrent VPN peers (IPsec site-to-site + AnyConnect SSL remote access): 10,000 total sessions
Maximum logical routed VLAN interfaces: 1024 independent security zones (50 VLAN hard limit on K8 base license)
Maximum multi-context virtual firewalls: 40 independent contexts (0 contexts on K8 DES license)Cisco

Exclusive K9 Security Plus License Advantages vs FPR2140-NGFW-K8 DES Base SKU

Full enterprise-grade encryption suite: DES, 3DES-168, AES-128/AES-192/AES-256; K8 only supports weak DES encryption and fails PCI-DSS, HIPAA and enterprise regulatory compliance standards.
1024 logical routed VLAN interfaces vs hard limit of 50 VLANs on K8 base license.
Unlimited TLS proxy sessions for encrypted SIP/SCCP VoIP inspection; K8 capped at only 1,000 concurrent TLS proxy sessions.
Complete dual-mode high availability: Active/Standby and load-balanced Active/Active inter-chassis failover fully enabled; all HA functionality locked and unavailable on K8 base license.
Up to 40 independent multi-context virtual firewalls for hyperscale MSP multi-tenant colocation segmentation; virtual context feature entirely disabled on K8 DES license.
Native multi-device VPN clustering and load balancing fully enabled for centralized large-scale national DMVPN branch aggregation hubs.
2 permanent base AnyConnect Premium SSL/DTLS remote user seats, expandable via separate AnyConnect Plus/Apex subscription licenses.
Unlimited internal enterprise branch host endpoints with no artificial session throttling or device count limits.

Full Integrated Security & Networking Feature Suite (FTD / Optional ASA OS)

1. Stateful Next-Generation Firewall with Snort 3 NGIPS

Wire-speed full stateful TCP/UDP connection tracking to block stateless bypass attacks, unified L3–L7 policy engine consolidating firewall, IPS, URL filtering and QoS rules within one management plane. Object-group ACL policy management for granular multi-segment traffic access control. Multi-layer enterprise DDoS protection toolkit: SYN flood suppression, port scan detection, full packet TCP normalization, malformed packet filtering, strict/loose URPF source IP anti-spoof filtering. Layer 7 application inspection ALGs for FTP, H.323, SIP, SCCP, RTSP, DNS, HTTP/S, SMB, RDP and mainstream SaaS protocols. Native Transparent Layer 2 firewall mode for inline campus/enterprise core network deployment without reworking existing internal IP addressing schemes. Embedded Snort 3 NGIPS powered by Cisco Talos global threat intelligence, AVC application visibility & control, URL category web filtering, AMP for Networks cloud malware sandboxing and cross-threat correlation; no external expansion blades required. Supports Cisco AI Assistant for automated policy optimization and misconfiguration detection.

2. Standards-Based Multi-Protocol VPN Suite

Site-to-site IKEv1/IKEv2 IPsec tunnels for secure inter-campus private fiber backbone connectivity over public broadband internet. Clientless SSL VPN + AnyConnect Premium SSL/DTLS remote access VPN for browser and full-client global remote worker connectivity. GRE tunnel encapsulation for routed non-IPsec traffic across distributed large-scale national DMVPN hub-spoke enterprise fabrics. Dedicated NPU hardware crypto acceleration eliminates CPU bottlenecks for up to 10,000 concurrent IPsec/AnyConnect tunnels. Supports NAT-T, IKE fragmentation, certificate-based IKE authentication via local CA or enterprise PKI infrastructure, plus multi-chassis VPN clustering for nationwide remote access aggregation hubs. Optimized for multi-region hub-and-spoke DMVPN architectures with hundreds of remote branch spokes connected via 10G fiber uplinks.

3. Enterprise & Broadband Routing & NAT Services

Static one-to-one NAT, dynamic NAT pools and PAT overload for shared public IP addressing. Native PPPoE client for large enterprise broadband ISP termination. Local DHCP server supporting up to 1024 internal IP leases for wired LAN endpoints and IoT devices. Static routing, policy-based routing (PBR), BGP, OSPF, EIGRP dynamic routing protocol support with full dual-stack IPv4/IPv6 inspection and routing capabilities. Persistent local DNS caching to reduce WAN latency for thousands of enterprise workstations and IoT sensors. Mixed copper/SFP+ port + modular NetMod design enables flexible multi-tier network segmentation: high-density copper user LAN, long-distance 1G inter-site fiber links and high-speed 10G data center uplinks without external media converters.

4. Unified Threat Defense Security Stack

Built-in signature-based IDS engine with tens of thousands of enterprise threat detection rules; inline NGIPS inspection fully integrated on-chip after activating threat subscription licenses. Automatic dynamic host blacklisting to quarantine compromised internal or internet-facing endpoints post-breach detection. Strict/loose URPF anti-spoof filtering to block forged source IP traffic in multi-department enterprise and large carrier MSP environments. Persistent large-capacity NVMe event logging + remote Syslog export to centralized enterprise SIEM platforms for PCI-DSS / HIPAA audit compliance. All administrative access encrypted via SSHv2 CLI, HTTPS ASDM GUI and SNMPv3 secure monitoring. Optional add-on threat subscriptions: AMP for Endpoints integration, Cloud Web Security, SecureX threat orchestration and real-time Talos global rule updates.

5. AAA Access Control & Audit Logging

Complete AAA authentication, authorization and accounting via external RADIUS and TACACS+ servers for tiered administrative privilege separation (operator / maintenance / super admin). Local user credential database for standalone emergency login without external AAA servers. Comprehensive logging system supporting flash buffer storage, USB offloading and remote Syslog archival. SNMPv3 secure monitoring tracks real-time device health, throughput, PSU thermal status, VPN tunnel state and Firepower threat alerts. Front-panel LED alarm indicators trigger visual notifications for critical hardware faults and security incidents. Native ISE integration for user-identity-based policy enforcement across wired, wireless and remote access networks.

6. Application-Aware Hierarchical QoS Bandwidth Management

Four-level traffic priority queuing prioritizes real-time VoIP/video unified communications, business-critical SaaS and industrial SCADA traffic over streaming media and P2P background traffic. Per-port bandwidth shaping and policing on all base copper/SFP+ and optional NetMod fiber interfaces to eliminate campus/enterprise core congestion and guarantee bandwidth for mission-critical traffic. DSCP marking preservation across IPsec and SSL VPN tunnels for consistent end-to-end QoS enforcement across national DMVPN architectures. QoS classification powered by AVC application signatures for granular per-application bandwidth allocation and traffic shaping.

Management & Configuration Tools

FTD / ASA CLI Console: IOS-style command-line interface accessible via serial console or encrypted SSHv2 remote access for scripting and advanced enterprise security troubleshooting.
ASDM Adaptive Security Device Manager: Embedded local HTTPS graphical web UI for single-chassis configuration, real-time traffic dashboards, VPN monitoring and unified threat event reporting.
Cisco Security Manager (CSM): Centralized enterprise policy platform supporting bulk multi-site Firepower deployment orchestration, mass firmware upgrades and cross-device compliance reporting, optimized for large-scale legacy ASA migration fleets.
Firepower Management Center (FMC): Primary centralized management for FTD NGFW mode, handling NGIPS rule sets, AVC application policies, malware sandboxing, URL filtering threat intelligence and AI-powered policy automation.
Cisco Defense Orchestrator (CDO): Cloud-hosted multi-device management for geographically distributed enterprise Firepower fleets, supporting zero-touch onboarding, cloud policy synchronization and unified SecureX orchestration.
TFTP + USB dual methods for OS firmware upload and full configuration backup/restore; offline config editing supported.

Key Differentiators vs Related Cisco Firepower Platforms

vs FPR2140-NGFW-K8 DES Base License: Full unrestricted 3DES/AES encryption, expanded VLAN/session limits, unlimited TLS proxy, 40 multi-context virtualization and full dual-mode HA enabled; K8 lacks enterprise compliance encryption and high availability functions.
vs FPR2140-ASA-K9 ASA-Only Variant: Factory preloaded FTD NGFW primary OS (ASA-K9 ships ASA OS as default, FTD requires separate firmware installation); identical physical chassis, port layout, CPU, memory, storage, dual redundant PSU and modular expansion capability.
vs FPR2130-NGFW-K9 Mid-High Tier Modular Model: Dual hot-swappable redundant power supplies (single PSU on 2130), flagship 12+10 core dual processor, 3M concurrent TCP/UDP sessions vs 2M, 8.5 Gbps full threat-inspected throughput vs 5.4 Gbps, 10,000 VPN peers vs 7500 peers, 40 multi-context capacity vs 30 contexts, 1024 VLANs vs 750 VLANs, identical base port layout and single NetMod expansion bay.
vs Secure Firewall 1220CX Desktop Model: Standard 1RU rack-mount chassis with redundant hot-swappable fans and dual redundant power supplies, modular NetMod expansion capability, vastly larger session/VPN/VLAN capacity, rack deployment suitable for data center wiring closets, no fanless silent desktop design.
vs Legacy ASA5585-X Rack Firewall: Firepower 2100 flagship dual-processor FTD architecture, native Snort3 NGIPS integration, built-in multi-speed SFP+ fiber slots + modular expandable NetMod interface bay, dual redundant hot-swap power supplies, large 32GB DDR4 memory, 200GB SSD storage, 40 multi-context virtualization and massively expanded AnyConnect VPN scale unavailable on older ASA 5500-X hardware.

Typical Large Enterprise & National Carrier Hub Deployment Scenarios

Large enterprise headquarters flagship modular rack core security firewall isolating corporate production LAN, research DMZ and 10G fiber data center uplink, supporting up to 10,000 concurrent site-to-site IPsec tunnels and tens of thousands of remote worker AnyConnect VPN access, expandable via NetMod fiber modules for additional inter-campus backbone connections. Dual redundant power supplies ensure zero downtime for financial, healthcare and government compliance environments.
National multi-location retail central aggregation hub connecting hundreds of remote store POS networks; abundant base copper ports provide high-density local headquarters user LAN access, SFP+ fiber uplinks link regional distribution centers across nationwide DMVPN topology.
Multi-building large university core edge security appliance with 40 multi-context virtual firewalls separating student, staff, administrative, research and medical network traffic zones, 10G SFP+ ports for inter-building high-speed fiber interconnections, expandable copper NetMod for campus access layer aggregation.
Redundant Active/Active chassis pair for mission-critical large enterprise perimeter security and zero-downtime disaster recovery, dual redundant power circuits supported via separate rack PDUs for regulated industry 24/7 operation.
National carrier MSP multi-tenant colocation rack core security gateway with 40 independent multi-context virtual firewalls for fully isolated enterprise customer network segmentation, modular fiber NetMod uplinks linking hundreds of remote office and industrial client sites across regional markets.
Flagship legacy modular rack network training lab platform for Firepower 2100 FTD deployment, NetMod expansion module configuration, hyperscale Snort3 Firepower NGIPS application control and nationwide DMVPN hub-spoke fiber VPN architecture learning.

3. E-commerce Short Marketing Summary

Cisco FPR2140-NGFW-K9 Flagship Modular 1RU Rack-Mount Hybrid Copper/Multi-Speed SFP+ Next-Generation Firewall, discontinued legacy Cisco Firepower 2100 series Security Plus unrestricted K9 NGFW appliance with twelve built-in 10/100/1000 Gigabit RJ45 copper ports plus four 1/10G SFP+ high-speed fiber uplink slots, 1 dedicated NetMod expansion bay for optional interchangeable interface modules, dedicated out-of-band Gigabit management port, RJ45 serial console, single USB 2.0 storage port, dual hot-swappable redundant 400W universal AC power supplies, flagship dual 12-core Intel + 10-core Cavium multi-core processor architecture with 32GB DDR5 memory, dual SSD slots with 200GB preinstalled storage, primary Firepower Threat Defense (FTD v7.6+) OS with optional ASA OS v9.x support. K9 license delivers full DES/3DES-AES strong encryption, unlimited internal host capacity, stateful SPI firewall, IPsec site-to-site/AnyConnect SSL remote access VPN, inline hardware Snort3 NGIPS intrusion prevention, AVC application visibility & control, NAT/PAT, PPPoE broadband client, unlimited TLS proxy for VoIP communications, up to 40 multi-context virtual firewalls and dual Active/Standby/Active/Active stateful failover with native multi-device VPN clustering. Up to 8.5 Gbps full threat-inspected NGFW throughput, 3,000,000 concurrent TCP/UDP connections and 10,000 simultaneous IPsec VPN tunnels, managed via local ASDM GUI, serial console, Cisco Security Manager and Firepower Management Center. Discontinued flagship rack-mount NGFW optimized for large enterprise headquarters, nationwide retail central DMVPN aggregation hubs and multi-building university 10G fiber core edge security deployments requiring dual redundant power and maximum multi-context multi-tenant capacity.

4. Product Catalog Keyword Tags

Cisco, FPR2140-NGFW-K9, FPR2140-K9, Firepower 2100 Series Flagship Modular 1RU Rack-Mount Hybrid Copper/SFP+ Next-Generation Firewall, Active Large Enterprise National Carrier Hub Stateful Inspection NGFW, Dual Hot-Swap Redundant Multi-Fan Front-to-Back Cooling 19-inch 1RU Rack Chassis, Dual Built-In 400W Internal Universal Hot-Swap AC Power Supplies, 12 × 10/100/1000 Gigabit Copper Auto-MDI/MDIX RJ45 Data Ports, 4 × 1/10GBase-X SFP+ Multi-Speed Fiber Uplink Slots, 1 × NetMod Expansion Bay (SM-16GE / SM-4SFP10 / SM-8SFP10-FTW Modules Supported), Dedicated Gigabit Out-of-Band Management 0/0 Port, RJ45 Serial Console Port, Single USB 2.0 Type-A Storage Port, DB-15 Inter-Chassis Stateful Failover Serial Port, Flagship Dual 12-Core Intel x86 + 10-Core Cavium NPU Security Processor with Native Crypto Offload, 32768 MB DDR5 SDRAM, 16 GB System Boot Flash, Dual Non-Hot-Swap SSD Drive Bays (1×200GB Factory Preinstalled SATA SSD), Cisco Firepower Threat Defense FTD Primary OS, Optional ASA OS Dual Software Support, Stateful Packet Inspection SPI, 20.0 Gbps Max Raw Firewall Throughput, 8.5 Gbps Max Full Threat-Inspected NGFW Throughput, 8.5 Gbps Standalone NGIPS Inspection Throughput, 3.0 Gbps Hardware-Accelerated 3DES/AES VPN Throughput, 1.0 Gbps TLS Hardware Decryption Throughput, Snort 3 NGIPS Threat Detection Engine, AMP for Networks Cloud Malware Sandbox Integration, URL Category Web Filtering, IPsec IKEv1/IKEv2 DMVPN Site-to-Site & AnyConnect SSL/DTLS Remote Access VPN, Full DES/3DES-AES Unrestricted Strong Encryption Suite, L2 Wire-Speed Integrated Switch Functionality, Modular NetMod Expandable Port Architecture Eliminates Media Converters, NAT PAT Static Dynamic Address Translation, PPPoE DSL Broadband Aggregation Client, VoIP H.323 SIP SCCP TLS Proxy Inspection, Transparent Layer 2 Firewall Mode, Multi-Context Virtual Firewall Segmentation (Up to 40 Independent Contexts), Active/Standby & Active/Active Dual-Mode Stateful Failover Redundancy, Native Multi-Device VPN Clustering & Load Balancing, 1024 Logical Routed VLAN Maximum (Security Plus K9 License), 10000 Max Simultaneous IPsec/AnyConnect VPN Peers, 3,000,000 Concurrent TCP/UDP Connections, IEEE 1588v2 PTP Precision Time Protocol, Cisco AI Assistant for Policy Automation, ISE Identity Integration Support, ASDM Embedded Local Web GUI, Cisco Security Manager CSM Centralized Multi-Site Policy Orchestration, Firepower Management Center FMC Threat Rule Centralized Control, Cisco Defense Orchestrator CDO Cloud Multi-Device Zero-Touch Management, SecureX Threat Orchestration Integration, Syslog SNMPv3 Secure Monitoring, Full Dual-Stack IPv4/IPv6 Routing & Inspection Support, Application-Aware Hierarchical QoS Bandwidth Scheduling, FIPS 140-3 Level 1 FCC Class A Office Certified, Full NEBS Level 3 Telecom Qualified, End-of-Sale Legacy Platform, Still Supported Under Cisco Long-Term EOL Maintenance, Security Plus K9 Unrestricted Upgrade Over FPR2140-NGFW-K8 DES Base License, Large Enterprise Headquarters Flagship Modular 1RU Rack 10G Fiber Core Edge NGFW, National Retail Central DMVPN Aggregation Expandable Hybrid Copper/SFP+ Dual Redundant PSU Security Appliance, Multi-Building University 40-Context Multi-Tenant Virtual Segmentation High-Performance Rack Firewall, Direct Hardware Replacement for Legacy High-End ASA5585-X Rack Appliance

Naming Rule Explanation

FPR: Legacy Firepower hardware prefix (market shorthand for discontinued Firepower 2100 modular rack series; official Cisco PID naming convention uses FPR2140-K9)
2140: Flagship top-tier modular expandable rack-mount national carrier hub model identifier within Firepower 2100 legacy platform
NGFW: Abbreviation for Next-Generation Firewall, signifies factory pre-installed Firepower Threat Defense (FTD) primary operating system (distinguishes from ASA-only FPR2140-ASA-K9 PID)
K9: Premium unrestricted Security Plus license identifier unlocking full AES encryption, expanded session/VLAN capacity, unlimited TLS proxy, up to 40 multi-context virtual firewalls and dual-mode Active/Standby + Active/Active stateful failover; contrasted with K8 base DES-only restricted license
Hardware Distinction Note: FPR2140-NGFW-K9 is the flagship modular rack model of discontinued Firepower 2100 series, sharing identical rack chassis dimensions with mid-tier FPR2130, differentiated by flagship dual multi-core processor, dual hot-swappable redundant power supplies, single NetMod expansion bay, maximum 3M concurrent sessions and 10,000 VPN peer limit, with base 12×1G copper + 4×SFP+ port layout. This product has reached Cisco End-of-Sale, replaced by modern Secure Firewall 1200 generation appliances, with limited remaining official TAC support lifecycle.


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