Description
VELOS Chassis System
The VELOS Chassis System is a modular application delivery platform from F5. It combines a chassis, system controllers, traffic-processing blades, and F5OS to support high-volume application delivery and traffic management. F5 offers the platform in CX410 and CX1610 chassis configurations for different deployment requirements.
The VELOS platform separates traffic processing from chassis management. Blades handle traffic management functions, while system controllers manage the chassis and its platform services. Organizations ca n also group blades into isolated chassis partitions and run multiple tenant systems within those partitions.

Key Features of VELOS Chassis System
Modular Chassis Architecture
The VELOS Chassis System uses a modular design built around separate chassis, blades, and system controllers. The CX410 provides an 8-slot chassis, while the CX1610 provides 32 slots and supports BX520 blades. This design allows organizations to build the platform around their required hardware configuration.
High-Performance Traffic Processing
The blades are the main components responsible for traffic management within VELOS. They support functions such as packet classification, traffic steering, and other application delivery workloads. The BX110 and BX520 provide different processing and interface capabilities for different deployment requirements.
Redundant System Controllers
VELOS uses dedicated system controllers for chassis management. The CX410 uses SX410 system controllers, while the CX1610 uses SX1610 controllers. The controllers provide management functions and support access to blade consoles through the chassis terminal service.
Chassis Partitioning
A chassis partition groups one or more blades into an isolated section of the VELOS chassis. Different partitions can operate independently within the same physical system. A blade can belong to only one chassis partition at a time.
Multitenant Architecture
A chassis partition can host multiple tenant systems. Each tenant operates within the resources assigned to its partition. This allows organizations to support separate application delivery environments on shared VELOS hardware while maintaining logical separation.
F5OS-Based Platform
F5OS provides the platform layer for VELOS systems. It works with the system controllers and chassis partitions to provide the foundation for system administration and tenant management. Current F5OS documentation supports both CX410 and CX1610 platforms along with their corresponding controllers and blades.
Capabilities
- Application delivery: VELOS blades process application traffic and provide traffic management functions.
- Traffic steering: The platform supports traffic-steering functions for directing application traffic.
- Packet classification: Blades can classify network traffic as part of traffic management operations.
- Resource isolation: Chassis partitions separate groups of blades and their workloads.
- Multitenancy: Multiple tenant software instances can run within a VELOS hardware system.
- Centralized chassis management: System controllers provide management functions for the chassis and its components.
- High-speed networking: BX110 and BX520 blades provide high-speed network interfaces for demanding application environments.
- Scalable deployment: Organizations can select different chassis and blade combinations based on capacity and infrastructure requirements.
Key Specifications
| Feature / Specification | Details |
| Specification | VELOS Chassis System |
| Product Family | F5 VELOS |
| Chassis Models | CX410, CX410-N, CX1610, CX1610-N |
| CX410 Capacity | Up to 8 BX110 blades or up to 4 BX520 blades |
| CX1610 Capacity | Up to 16 BX520 blades |
| System Controllers | SX410 / SX1610 |
| Blade Options | BX110 / BX520 |
| Platform Layer | F5OS |
| BX110 Interfaces | 2 × 100GbE QSFP28 |
| BX520 Interfaces | 1 × 100GbE QSFP28 and 1 × 400GbE QSFP-DD, with supported port-group configurations |
| BX110 Memory | 128 GB |
| BX520 Memory | 512 GB |
| BX110 Storage | 1 × 1 TB SSD |
| BX520 Storage | 1 × 3 TB SSD |
| Tenant Software | Multiple hosted tenant instances supported |
| Chassis Partitioning | Supported |
| Power Options | AC or DC depending on chassis and configuration |
| NEBS Options | CX410-N and CX1610-N configurations |
Common Use Cases
The F5 VELOS hardware is suited to enterprise and service provider environments that need modular application delivery infrastructure. Organizations can combine chassis, blades, and tenants to support different traffic management workloads within a shared platform.
The platform also fits environments that require workload separation. Chassis partitions can isolate groups of blades, while multiple tenants can operate within those partitions. This makes the architecture suitable for organizations that need shared infrastructure with separate application delivery environments.
Real-World Deployment Scenarios
- Enterprise Data Centers: Use VELOS to manage application traffic across high-capacity enterprise infrastructure.
- Service Provider Networks: Deploy BX520 blades for demanding traffic management and high-speed network workloads.
- Financial Services: Use chassis partitions to separate application delivery environments on shared infrastructure.
- Regional Data Centers: Deploy the CX410 where a smaller modular footprint is suitable for the workload.
- Large-Scale Application Environments: Use the CX1610 with multiple BX520 blades for larger processing requirements.
- Multitenant Infrastructure: Create separate chassis partitions and deploy tenant systems for isolated application environments.
Why Choose Netmate for VELOS Chassis System?
Netmate IT helps businesses in Nepal evaluate F5 infrastructure based on their application delivery, networking, scalability, and security requirements. For the VELOS Chassis System, Netmate can help organizations assess chassis and blade options, plan the required infrastructure, evaluate deployment requirements, and integrate the F5 platform with existing data center environments. This allows IT teams to align the VELOS solution with their required capacity, workload separation, and application delivery needs.
Frequently Asked Questions
What is the VELOS Chassis System?
The VELOS Chassis System is an F5 modular platform for application delivery and traffic management. It combines chassis hardware, system controllers, blades, F5OS, chassis partitions, and tenant systems.
What is the F5 VELOS Chassis System used for?
VELOS is used for application delivery, traffic management, packet classification, traffic steering, and related workloads. It is designed for enterprise and service provider environments that need modular and scalable infrastructure.
What components make up a VELOS system?
A VELOS system includes a chassis, system controllers, and traffic-processing blades. F5OS provides the platform layer, while chassis partitions and tenants provide logical separation for different workloads.
What are chassis partitions in VELOS?
A chassis partition is an isolated subset of the VELOS chassis that contains a defined group of blades. Multiple partitions can exist in one chassis, and each partition can host multiple tenant systems.
Does VELOS support multiple tenants?
Yes. VELOS supports multiple hosted tenant software instances on a single hardware system. Tenants are assigned to chassis partitions and are restricted to the resources within their respective partitions.



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