Full English Description for Cisco FPR1250-NGFW-K9 (Official PID: CSF1250-TD-K9)
1. Official Short Order Description
Cisco FPR1250-NGFW-K9 (Official PID: CSF1250-TD-K9): Flagship 1RU rack-mount Next-Generation Firewall (NGFW) from Cisco Secure Firewall 1200 rack series, factory preloaded Firepower Threat Defense (FTD v7.6+) as primary operating system, permanent Security Plus K9 unrestricted base license. Unique port layout for the 1200 rack lineup: 8×2.5GBASE-T Multigigabit RJ45 copper ports + 4×1/10G SFP+ multi-speed fiber uplink slots, dedicated standalone 1G out-of-band management port, dual console interfaces (RJ45 serial + USB-C), single USB 3.0 Type-A port, built-in single universal internal AC power supply, top-tier multi-core security SoC with integrated QuickAssist hardware crypto offload, 32GB DDR5 high-speed memory, user-replaceable 960GB self-encrypting U.2 NVMe SSD. Dual OS support: FTD as default boot firmware, optional Cisco Secure Firewall ASA OS v9.22+. Official certified performance metrics (1024B packets): 24 Gbps FW+AVC firewall throughput, 18 Gbps full threat-inspected NGFW throughput (FW+AVC+IPS), 22 Gbps standalone Snort 3 NGIPS throughput, 22 Gbps hardware-accelerated IPsec VPN throughput, 4.1 Gbps TLS hardware decryption throughput, maximum 1500 total concurrent AnyConnect / IKEv1/IKEv2 IPsec VPN peers, 1,000,000 concurrent TCP/UDP connections, 55,000 new connections per second, 200 logical routed VLANs, up to 25 multi-context virtual firewalls under K9 licenseCisco. Managed via local ASDM/FDM GUI, Firepower Management Center (FMC), Cisco Security Manager (CSM), Cisco Defense Orchestrator (CDO), offline serial/USB-C console and USB storage. Active flagship large enterprise core & national DMVPN aggregation rack security hardware with full long-term Cisco lifecycle support, designed for large enterprise headquarters, multi-region national hub aggregation, multi-building university core edge, fiber-enabled MSP multi-tenant colocation and high-bandwidth distributed enterprise network segmentation with multigigabit wired access.
2. Complete Detailed Product Overview
Product Line Positioning
The Cisco CSF1250-TD-K9 (market shorthand FPR1250-NGFW-K9) is the flagship top-performance rack appliance in Secure Firewall 1200 rack portfolio, positioned above mid-high tier CSF1240-TD-K9 and mid-tier CSF1230-TD-K9. It differentiates from all other 1200 rack models with native 2.5G multigigabit copper ports to support high-speed wired client access, paired with 4×1/10G SFP+ multi-speed fiber uplinks for long-distance inter-site fiber backbone links and high-bandwidth 10G data center/cloud connections. Factory pre-installed Firepower Threat Defense (FTD) NGFW stack as primary boot image, while retaining full ASA OS compatibility for legacy ASA migration projects. The mixed multigigabit copper + multi-speed fiber port design eliminates external media converters for modern enterprise deployments requiring high-capacity local user LAN segmentation and long-distance fiber WAN uplinks.
The K9 suffix delivers permanent Security Plus unrestricted licensing, removing weak DES encryption limitations and unlocking full enterprise feature set including expanded 25 multi-context virtualization, unlimited TLS proxy sessions, complete dual-mode high availability and doubled VLAN capacity compared to older Firepower 1000/1100 platforms. The Secure Firewall 1200 rack series remains active sale with scheduled long-term maintenance support, no official End-of-Sale date released by Cisco.
Physical Hardware & 1RU Rack-Mount Architecture
Form Factor & Mechanical Specifications
-
Standard 19-inch EIA-310-D rack-mountable 1RU metal chassis with dual variable-speed front-to-back airflow cooling fans, dimensions: 4.37cm (H) × 28.49cm (W) × 43.81cm (D) / 1.72 × 11.22 × 17.25 inches, total weight 4.31kg (9.52 lb)Cisco.
-
Built-in single internal universal 100–240V AC power supply integrated inside chassis, no external power brick required; typical power draw 60W, max 88W under full throughput loadCisco.
-
Operating temperature range: 0°C ~ +40°C (32–104°F); storage temperature -25°C ~ +70°C; humidity 5–85% non-condensing; max operating altitude 3048m; acoustic noise max 57.8 dBa at full fan speed 40°CCisco.
-
Front panel multi-color LED indicators: Global power status, system health, Firepower threat defense operational state, failover synchronization status, per-port link/activity LEDs for all 2.5G copper, SFP+ and management interfaces.
-
Integrated Kensington security lock slot for physical anti-tampering protection against unauthorized chassis disassembly.
-
Hardware core: Custom flagship multi-core security SoC with native embedded QuickAssist crypto offload engine for high-speed IPsec/TLS acceleration, 32GB soldered DDR5 high-speed SDRAM, 16GB onboard eMMC boot flash, user-replaceable 960GB U.2 NVMe self-encrypting SSD for FTD/ASA OS images, Talos global threat rule databases, device configurations and persistent long-term event log storage.
-
Rear peripheral interfaces: 1×USB 3.0 Type-A port for external flash backup, firmware upload and log offloading; dual maintenance console ports (RJ45 RS-232 serial + USB-C console) for offline device recovery without network connectivity.
-
Compliance certifications: FCC Class A, CE, FIPS 140-3 Level 1, EMC enterprise industrial standard, NEBS Level 3 qualified.
Rear Panel Fixed Port Layout
-
Hybrid Multi-Speed Data Port Group (8×2.5GBASE-T RJ45 + 4×1/10G SFP+)
-
8 × 2.5GBASE-T Auto-MDI/MDIX Multigigabit RJ45 copper ports for high-speed internal corporate LAN, research DMZ and short-range high-bandwidth WAN segmentation; integrated wire-speed L2 switch chip enables local inter-port switching without external high-speed access switchesCisco.
-
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.
-
Management0/0: Fully isolated dedicated 1G out-of-band management port, separated entirely from production data plane traffic for secure FMC/ASDM/FDM/CDO administrative communication.
-
Dual console ports (RJ45 serial + USB-C), single USB 3.0 storage port, recessed hardware factory reset pushbutton.
-
IEC AC power input socket for bundled power cord, integrated internal power supply.
-
DB-15 serial failover port for real-time session synchronization in Active/Standby or Active/Active HA firewall pair deployments.
No Optional Expansion Hardware
CSF1250-TD-K9 (FPR1250-NGFW-K9) is fully fixed-port 1RU rack appliance with zero modular I/O expansion slots; no swappable additional fiber line cards or threat expansion blades are supported. All NGFW, Snort3 NGIPS and crypto acceleration engines are embedded natively on the flagship security SoC. SFP/SFP+ optical transceivers are sold separately as compatible accessories.
Core Performance & K9 Security Plus Full License Capabilities
Official Cisco Datasheet Performance Benchmarks (FTD OS v7.6+)Cisco
-
FW+AVC firewall throughput (1024B packets): 24.0 Gbps
-
Full threat-inspected NGFW throughput (FW+AVC+IPS): 18.0 Gbps
-
Standalone Snort 3 NGIPS inspection throughput: 22.0 Gbps
-
Hardware-accelerated 3DES/AES IPsec VPN throughput: 22.0 Gbps
-
TLS hardware decryption throughput: 4.1 Gbps
-
Maximum concurrent TCP/UDP connections with AVC: 1,000,000 (20,000 hard cap on K8 DES base license)
-
Maximum new connections per second with AVC: 55,000
-
Total concurrent VPN peers (IPsec site-to-site + AnyConnect SSL remote access): 1500 total sessions
-
Maximum logical routed VLAN interfaces: 200 independent security zones (50 VLAN hard limit on K8 base license)
-
Maximum multi-context virtual firewalls: 25 independent contexts (5/10 on lower 1200 rack models)Cisco
Exclusive K9 Security Plus License Advantages vs FPR1250-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.
-
200 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 on K8 base license.
-
Up to 25 independent multi-context virtual firewalls for large MSP multi-tenant colocation segmentation; virtual context feature entirely disabled on K8 DES licenseCisco.
-
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 v7.6+ / Optional ASA OS v9.22+)
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 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. Native flagship SoC hardware crypto acceleration eliminates CPU bottlenecks for up to 1500 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 multigigabit 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 on latest FTD/ASA releases. Persistent local DNS caching to reduce WAN latency for thousands of enterprise workstations and IoT sensors. Unique 2.5G copper + SFP+ mixed port design enables flexible multi-tier network segmentation: high-speed 2.5G 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 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/FDM 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 multigigabit, 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 8×2.5G copper and 4×SFP+ 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/USB-C console or encrypted SSHv2 remote access for scripting and advanced enterprise security troubleshooting.
-
ASDM / FDM Adaptive Security Device Manager: Dual embedded local HTTPS graphical web UIs for single-chassis configuration, real-time traffic dashboards, VPN monitoring and unified threat event reporting (FDM optimized for standalone simple deployments, ASDM for traditional ASA workflow).
-
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 FPR1250-NGFW-K8 DES Base License: Full unrestricted 3DES/AES strong encryption, expanded VLAN/session limits, unlimited TLS proxy, 25 multi-context virtualization and dual-mode Active/Standby + Active/Active HA enabled; K8 lacks compliance-grade encryption and high availability functionality.
-
vs FPR1250-ASA-K9 ASA-Only Variant: Factory preloaded FTD NGFW primary OS (ASA-K9 ships ASA OS as default, FTD requires separate software installation); identical physical chassis, port layout, CPU, memory, storage and performance throughput specifications.
-
vs CSF1240-NGFW-K9 Mid-High Tier Rack Model: Unique 8×2.5G multigigabit copper ports (1240 uses 1G copper), larger 1M concurrent TCP/UDP sessions vs 600K, higher 18 Gbps full threat-inspected throughput vs 14 Gbps, 1500 VPN peers vs 1000 peers, expanded 25 multi-context capacity vs 10 contexts, identical 4×SFP+ fiber slots and 1RU rack chassis dimensions.
-
vs Secure Firewall 1220CX Desktop Model: Standard 1RU rack-mount chassis with dual cooling fans, 8×2.5G high-speed copper ports vs 8×1G copper on desktop 1220CX, 4×SFP+ fiber slots vs 2×SFP+ on desktop, drastically larger session and VPN peer capacity, rack deployment suitable for data center wiring cabinets.
-
vs Legacy ASA5585-X Rack Firewall: Modern Secure Firewall 1200 series 64-bit FTD OS, native Snort3 NGIPS integration, built-in 2.5G copper + 10G SFP+ high-speed fiber slots, 32GB DDR5 memory, large user-replaceable NVMe storage, 25 multi-context virtualization and massively expanded AnyConnect VPN scale unavailable on older ASA 5500-X hardware.
Typical Large Enterprise & National Hub Deployment Scenarios
-
Large enterprise headquarters flagship core rack security firewall isolating corporate production multigigabit LAN, research DMZ and 10G fiber data center uplink, supporting up to 1500 concurrent site-to-site IPsec tunnels and thousands of remote worker AnyConnect VPN access, SFP+ ports connecting dozens of regional branch offices via long-distance single-mode fiber national DMVPN backbone.
-
National multi-location retail central aggregation hub connecting hundreds of remote store POS networks; unique 2.5G copper ports provide high-speed local headquarters user LAN access, inter-store fiber backbone links and 10G uplink to enterprise cloud data centers.
-
Multi-building large university core edge security appliance with 25 multi-context virtual firewalls separating student, staff, administrative, research and medical network traffic zones, 10G SFP+ ports for inter-building high-speed fiber interconnections.
-
Redundant Active/Active chassis pair for large enterprise load-balanced perimeter security and zero-downtime disaster recovery, dual redundant power circuits supported via separate rack PDUs for mission-critical infrastructure high-availability deployments.
-
National MSP multi-tenant colocation rack core security gateway with 25 independent multi-context virtual firewalls for fully isolated customer enterprise network segmentation, 10G fiber uplinks linking hundreds of remote client office and industrial site networks.
-
Flagship enterprise network training lab platform for Secure Firewall 1200 flagship rack FTD deployment, 2.5G multigigabit + 10G SFP+ fiber uplink configuration, large-scale Snort3 Firepower NGIPS application control and nationwide DMVPN hub-spoke fiber VPN architecture learning.
3. E-commerce Short Marketing Summary
Cisco FPR1250-NGFW-K9 (CSF1250-TD-K9) Flagship 1RU Rack-Mount Multigigabit Copper / Multi-Speed SFP+ Next-Generation Firewall, active Cisco Secure Firewall 1200 series Security Plus unrestricted K9 NGFW appliance with eight built-in 2.5GBASE-T Multigigabit RJ45 copper ports plus four 1/10G SFP+ high-speed fiber uplink slots, dedicated out-of-band Gigabit management port, dual RJ45 serial + USB-C console interfaces, single USB 3.0 storage port, integrated internal universal AC power supply, flagship multi-core security SoC with 32GB DDR5 memory, user-replaceable 960GB NVMe SSD, primary Firepower Threat Defense (FTD v7.6+) OS with optional ASA OS v9.22+ 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 25 multi-context virtual firewalls and dual Active/Standby/Active/Active stateful failover with native multi-device VPN clustering. Up to 18.0 Gbps full threat-inspected NGFW throughput, 1,000,000 concurrent TCP/UDP connections and 1500 simultaneous IPsec VPN tunnels, managed via local ASDM/FDM GUI, serial/USB-C console, Cisco Security Manager and Firepower Management Center. Active production flagship rack-mount NGFW optimized for large enterprise headquarters, national retail central DMVPN aggregation hubs and multi-building university 10G fiber core edge security deployments requiring native 2.5G multigigabit wired access.
4. Product Catalog Keyword Tags
Cisco, FPR1250-NGFW-K9, CSF1250-TD-K9, Secure Firewall 1200 Series Flagship 1RU Rack-Mount Multigigabit Copper/SFP+ Next-Generation Firewall, Active Large Enterprise National Hub Stateful Inspection NGFW, Dual Variable-Speed Front-to-Back Fan Cooling 19-inch 1RU Rack Chassis, Built-In 100W Internal Universal AC Power Supply, 8 × 2.5GBASE-T Multigigabit Copper Auto-MDI/MDIX RJ45 Data Ports, 4 × 1/10GBase-X SFP+ Multi-Speed Fiber Uplink Slots, Dedicated Gigabit Out-of-Band Management 0/0 Port, Dual Console Ports (RJ45 Serial + USB-C), Single USB 3.0 Type-A Storage Port, DB-15 Inter-Chassis Stateful Failover Serial Port, Flagship Multi-Core Security SoC with QuickAssist Crypto Offload, 32768 MB DDR5 SDRAM, 16 GB System eMMC Boot Flash, 960 GB User-Replaceable Self-Encrypting U.2 NVMe SSD, Cisco Firepower Threat Defense FTD Primary OS (v7.6+), Optional ASA OS v9.22+ Dual OS Support, Stateful Packet Inspection SPI, 24.0 Gbps Max Firewall Throughput (FW+AVC), 18.0 Gbps Max Full Threat-Inspected NGFW Throughput, 22.0 Gbps Standalone NGIPS Inspection Throughput, 22.0 Gbps Hardware-Accelerated 3DES/AES VPN Throughput, 4.1 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, Unique Native 2.5G Multigigabit Copper 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 25 Independent Contexts), Active/Standby & Active/Active Dual-Mode Stateful Failover Redundancy, Native Multi-Device VPN Clustering & Load Balancing, 200 Logical Routed VLAN Maximum (Security Plus K9 License), 1500 Max Simultaneous IPsec/AnyConnect VPN Peers, 1,000,000 Concurrent TCP/UDP Connections, IEEE 1588v2 PTP Precision Time Protocol, Cisco AI Assistant for Policy Automation, ISE Identity Integration Support, ASDM/FDM Dual Embedded Local Web GUIs, 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, Dual-Stack IPv4 Full Routing & Inspection Support, Application-Aware Hierarchical QoS Bandwidth Scheduling, FIPS 140-3 Level 1 FCC Class A Enterprise Certified, NEBS Level 3 Telecom Certified, Still Active Sale & Full Cisco Technical Support, Security Plus K9 Unrestricted Upgrade Over FPR1250-NGFW-K8 DES Base License, Large Enterprise Headquarters 1RU Rack 2.5G Multigigabit + 10G Fiber Core Edge NGFW, National Retail Central DMVPN Aggregation High-Speed Hybrid Copper/SFP+ Security Appliance, Multi-Building University 25-Context Multi-Tenant Virtual Segmentation Flagship Rack Firewall, Direct Hardware Replacement for Legacy High-End ASA5585-X Rack Appliance
Naming Rule Explanation
-
FPR: Legacy Firepower hardware prefix (market shorthand for new Secure Firewall 1200 rack series; official Cisco PID starts with CSF = Cisco Secure Firewall)
-
1250: Flagship top-performance rack-mount national enterprise hub model identifier within Secure Firewall 1200 rack platform
-
NGFW: Abbreviation for Next-Generation Firewall, signifies factory pre-installed Firepower Threat Defense (FTD) primary boot operating system (distinguishes from ASA-only CSF1250-ASA-K9 PID)
-
K9: Premium unrestricted Security Plus license identifier unlocking full 3DES/AES strong encryption, expanded concurrent session/VLAN capacity, unlimited TLS proxy sessions, up to 25 multi-context virtual firewalls and dual-mode Active/Standby + Active/Active stateful failover; contrasted with K8 base DES-only restricted license
-
Hardware Distinction Note: The market name FPR1250-NGFW-K9 corresponds to official Cisco PID CSF1250-TD-K9, the flagship rack appliance in Secure Firewall 1200 rack lineup. It shares identical rack chassis dimensions and power supply design with CSF1230/1240 rack appliances, differentiated by flagship high-performance security SoC, 32GB DDR5 memory, exclusive 8×2.5G multigigabit copper ports, maximum 1M concurrent sessions, 1500 VPN peer capacity and support for up to 25 multi-context modes. This platform remains active-sale current Cisco flagship large enterprise core security hardware with ongoing firmware feature development, Talos threat signature updates and full official TAC technical support available.
|
