BIG-IP i15000 is the highest-performance platform family in the F5 iSeries portfolio, designed for large enterprise, carrier, and service-provider environments that require maximum application delivery capacity, high-volume SSL/TLS processing, and advanced traffic management capabilities. The i15000 family is represented by BIG-IP i15800, a 2RU appliance built for demanding application environments where performance, reliability, and security are critical. It provides the resources required to consolidate multiple BIG-IP services on a single platform, including application load balancing, web application security, secure access, and global traffic management.
Series Highlights
- Highest-capacity F5 iSeries application delivery platform family
- Includes BIG-IP i15800 model
- Enterprise and service-provider grade ADC appliance
- 2RU rack-mount design
- Up to 160 Gbps L4/L7 throughput depending on configuration
- Large memory configuration
- High-speed 10GbE, 40GbE, and higher connectivity options
- Hardware-assisted SSL/TLS acceleration
- Support for advanced BIG-IP modules
- Designed for large-scale application delivery environments
- Suitable for ADC consolidation projects
- Migration comparison: F5 rSeries high-performance platforms
Review BIG-IP i15000 Price List and request a quote tailored to your licensing needs.

BIG-IP i15000 At a glance
What it is: Maximum-performance F5 iSeries physical application delivery platform
Product family: BIG-IP iSeries
Model: i15800
Software architecture: BIG-IP TMOS
Deployment type: Physical ADC appliance
Form factor: 2RU rack-mount
Memory: Large enterprise-class memory configuration
Storage: Dual SSD storage
Connectivity: High-speed 10GbE and 40GbE interfaces
Series Overview
The BIG-IP i15000 family represents the upper end of the traditional F5 iSeries appliance architecture. It was designed for environments where application traffic volumes, encryption workloads, and service consolidation requirements exceeded the capacity of smaller iSeries platforms.
Unlike lower iSeries families, i15000 deployments were typically placed at critical application delivery points where performance and availability were business requirements rather than optional improvements.
The primary model in this family is:
| Model | Position |
|---|---|
| BIG-IP i15800 | Highest-capacity iSeries appliance |
The i15800 was designed to support large-scale application delivery with the ability to run multiple BIG-IP services simultaneously. Typical deployments included:
- Enterprise load balancing
- SSL/TLS termination
- Advanced Web Application Firewall services
- Secure application access
- Global traffic management
- High-volume internet-facing applications
Because these appliances often operated as core infrastructure components, accurate model identification is important when reviewing licenses, support contracts, or migration requirements.
Licensing and Part Number Guidance
BIG-IP i15000 part numbers include more than the physical appliance reference. A complete configuration may include the BIG-IP License entitlement, enabled modules, support coverage, network accessories, and additional services.
- Hardware appliance
- BIG-IP software entitlement
- Enabled modules
- Support coverage
- Network accessories
- Additional services
For existing environments, confirm the complete deployment before requesting pricing.
Important information includes:
- Exact model (i15800)
- Active BIG-IP modules
- Current TMOS version
- License registration details
- Support status
- Application workload
- SSL/TLS requirements
- High availability design
The i15000 platform could support multiple BIG-IP services, but the correct licensing configuration depends heavily on the actual role of the appliance. For example, an i15800 running LTM with basic traffic management has different requirements from a platform handling Advanced WAF inspection, encrypted application traffic, and secure access services.
Common Use Cases
| Use case | Typical i15000 role |
|---|---|
| Service-provider ADC | Large customer-facing application delivery |
| Enterprise application edge | High-volume traffic management |
| SSL/TLS processing | Hardware-assisted encryption acceleration |
| Application security | Advanced BIG-IP security services |
| Data-center core ADC | Centralized application delivery |
| Secure access | Enterprise identity-based connectivity |
| ADC consolidation | Multiple BIG-IP services on one platform |
| Infrastructure migration | Transition planning toward newer F5 systems |
Models, Licenses, and Ordering Scope
| Area | What to confirm |
|---|---|
| Model | i15800 |
| BIG-IP services | LTM, DNS, APM, AFM, Advanced WAF |
| Performance | Throughput, connections, SSL workload |
| Software | TMOS version compatibility |
| Network connectivity | 10GbE/40GbE requirements |
| Deployment | Standalone or HA pair |
| Storage | SSD configuration |
| Support | Renewal or replacement requirements |
| Migration | Current platform transition strategy |
| Part numbers | Hardware, software, support, and accessories |
What to Check Before Requesting a Quote
For BIG-IP i15000 environments, quote preparation should begin with understanding the existing production role of the appliance. Before requesting pricing, review:
- Current hardware model
- Enabled BIG-IP modules
- Traffic throughput
- SSL/TLS processing requirements
- Application count
- Connection volume
- Network interface utilization
- HA configuration
- Expected growth
Because i15000 platforms were usually deployed for critical workloads, replacing them requires more than matching hardware specifications. A newer F5 platform may use a different resource model, especially rSeries systems that separate the underlying platform layer from BIG-IP tenant workloads.
For migration planning, consider:
- Configuration migration
- License compatibility
- Software validation
- Application testing
- Maintenance planning
- Rollback strategy
Activation and Delivery Notes
BIG-IP i15000 appliances use the traditional F5 TMOS architecture. The deployment process normally includes:
- Hardware installation
- License activation
- Module provisioning
- Network configuration
- Application policy migration
- HA validation
For redundant deployments, both systems should maintain compatible:
- TMOS versions
- Licenses
- Provisioning settings
- Network configurations
Unlike newer F5 rSeries platforms, i15000 does not use F5OS or tenant-based deployment. Migration to modern platforms therefore requires reviewing architectural differences before moving production workloads. Before delivery or replacement, confirm:
- Appliance model
- Required modules
- Support requirements
- Network interfaces
- Migration approach
F5 pricing depends on your product edition, license type, deployment model, traffic needs, term, and support requirements.