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VPN module handled encrypted traffic reliably.
WS-C6509-E-VPN+-K9
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CISCO CATALYST 6509E IPSEC VPN SPA SECURITY SYSTEM
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Name:
WS-C6509-E-VPN+-K9
- Description:
- CISCO CATALYST 6509E IPSEC VPN SPA SECURITY SYSTEM
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- Brand:
- Cisco
- GTIN:
- 582723299171
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WS-C6509-E-VPN+-K9 Overview
WS-C6509-E-VPN+-K9 is a modular, high-performance chassis designed to meet the rigorous demands of large-scale enterprise networks requiring both advanced routing and VPN capabilities. Built with a flexible architecture, the chassis supports multiple power options including redundant power supplies, offers a wide array of ports through its modular slots, and provides robust stacking and scalability features to facilitate evolving network demands.
Engineered for high throughput and low latency, WS-C6509-E-VPN+-K9 is ideal for data centers, campus backbones, and VPN-intensive applications. Its architecture is optimized for Layer 2 and Layer 3 operations, and it supports a range of network interfaces and uplink configurations to deliver top-tier performance in mission-critical environments.
WS-C6509-E-VPN+-K9 price is is available on request. Get immediate quote.
Request bulk order quote for WS-C6509-E-VPN+-K9 for additional pricing. Browse the full Cisco Catalyst 6500 Switches series or explore all Cisco products.
WS-C6509-E-VPN+-K9 Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Chassis
- Power Consumption
- N/A
- Number of Ethernet Ports
- N/A
- Number of Downlink Ports
- N/A
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber / Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- WS-C6509-E-VPN+-K9
- Uplink Configuration
- 1G / 10G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- N/A
- Memory
- 512 MB
- Rack Units
- 4 RU
- Interface Ports
- N/A
- Port/Expansion Slot Details
- 9-slot modular chassis supporting a range of network modules
- Flash Memory
- 256 MB
- Switching Capacity
- 480 Gbps
- Switching Capacity with Stacking
- N/A
- Product Name
- Cisco Catalyst 6509-E VPN+-K9
- Height
- 7 inches
- Width
- 17 inches
- Depth
- 28 inches
- Weight
- 89 lbs
WS-C6509-E-VPN+-K9 Use Case
Enterprise Branch-to-Data-Center High-Throughput IPsec VPN
A global financial services firm deploys WS-C6509-E-VPN+-K9 (Cisco Catalyst 6509E IPsec VPN SPA Security System) in its main data center to aggregate 50+ branch office connections over hardware-accelerated IPsec tunnels. The solution delivers 10 Gbps of encrypted throughput, enforces a unified security policy, reduces WAN latency by 30%, and ensures PCI/DSS compliance. Outcome: scalable, low-latency multi-site connectivity with centralized management and audit-ready encryption.
Hybrid Cloud Data Center Interconnect for Regulated Workloads
A healthcare provider leverages the Cisco Catalyst 6509E WS-C6509-E-VPN+-K9 to secure hybrid cloud traffic between its on-premises data center and public clouds (AWS/Azure). Using the device’s built-in VPN SPA modules, it establishes redundant IPsec tunnels with FIPS-compliant encryption at up to 8 Gbps. Outcome: seamless, encrypted HIPAA-validated data exchange, automated failover, and unified policy enforcement across private and public infrastructures.
High-Capacity Remote-Access VPN for Global Teleworkers
A multinational technology company implements the WS-C6509-E-VPN+-K9 Security System in its core network to support 5,000+ remote employees. The IPsec SPA accelerates AES-GCM encryption, delivering consistent low-latency VPN access at 6 Gbps. Integrated AAA and multifactor authentication ensure policy-based access control. Outcome: secure, high-performance teleworker connectivity, simplified user provisioning, and centralized visibility into encrypted sessions.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| WS-C6509-E-VPN+-K9 |  VS-C6506E-S720-10G |  WS-C6503E-CSM |  WS-C6509-E-FWM-K9 |  WS-C6509E-S32P10GE | |
|---|---|---|---|---|---|
| Depth | 28 inches | 20 inches | N/A | 24 inches | 28 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 256 MB | 64 MB |
| Form Factor | Chassis | Chassis | Chassis | Chassis | Chassis |
| Height | 7 inches | 7 inches | N/A | 10.5 inches | 7 inches |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | N/A | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C6509-E-VPN+-K9 | VS-C6506E-S720-10G | WS-C6503E-CSM | WS-C6509-E-FWM-K9 | WS-C6509E-S32P10GE |
| Media Type Supported | Twisted Pair / Fiber / Combo | Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Combo |
| Memory | 512 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | N/A | 48 Ports | N/A | N/A | 32 Ports |
| Number of Ethernet Ports | N/A | Over 48 Ports | N/A | Over 48 Ports | Over 48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 9-slot modular chassis supporting a range of network modules | 6-slot chassis with S720 module and 10G uplink | Supports multiple expansion modules in a Catalyst 6500 chassis configuration. | 9 Slots (8 for line cards, 1 for supervisor module) | 32-slot chassis supporting multiple module types |
| Power Consumption | N/A | 350W | N/A | N/A | N/A |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst 6509-E VPN+-K9 | VS-C6506E-S720-10G Chassis Switch | Cisco Catalyst 6503E-CSM Chassis Switch Module | Cisco Catalyst 6509-E-FWM-K9 | Cisco Catalyst 6509E-S32P10GE |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 4 RU | 4 RU | N/A | 6 RU | 4 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | N/A | 24 SFP Ports | N/A | N/A | 4 SFP Ports |
| Switching Capacity | 480 Gbps | 480 Gbps | N/A | 480 Gbps | 128 Gbps |
| Switching Capacity with Stacking | N/A | 960 Gbps | N/A | N/A | N/A |
| Uplink Configuration | 1G / 10G | 10G | 1G | 1G / 10G | 10G |
| Weight | 89 lbs | 50 lbs | N/A | 70 lbs | 150 lbs |
| Width | 17 inches | 17 inches | N/A | 19 inches | 19 inches |
Reviews & Ratings
F
Farhan Masood
5
Stable IPsec performance.
S
Sebastian Koch
4
Good throughput for secure links.
A
Arslan Javed
4
Reliable Cisco VPN solution.
H
Howard Miles
5
Met enterprise security needs.
Questions & Answers
What is the Cisco Catalyst 6509E IPsec VPN SPA Security System (WS-C6509-E-VPN+-K9)?
The WS-C6509-E-VPN+-K9 is a Cisco Catalyst 6500 Series Security Services Card that provides hardware-accelerated IPsec VPN termination, secure SPA services and integrated firewall capabilities.
What are the key features of the WS-C6509-E-VPN+-K9?
Key features include up to 4 Gbps of encrypted throughput, support for 10,000 IPsec tunnels, hardware-based AES 256, 3DES and SHA-1 encryption, and seamless integration with Cisco IOS.
How many IPsec VPN tunnels can the 6509E VPN SPA support?
The module supports up to 10,000 concurrent IPsec VPN tunnels for secure, high-density remote access and site-to-site connectivity.
What encryption and integrity algorithms are supported?
Supported algorithms include AES (128/192/256), 3DES for encryption, SHA-1 and MD5 for integrity, plus Diffie-Hellman groups 1, 2, 5 and 14 for key exchange.
What IPsec VPN throughput does this module deliver?
The SPA delivers up to 4 Gbps of aggregate IPsec throughput and scales linearly with Cisco 6500 Supervisor Engine performance.
Is the WS-C6509-E-VPN+-K9 compatible with all Cisco Catalyst 6500 chassis?
Yes, it is compatible with any Cisco Catalyst 6500 chassis equipped with a Supervisory Engine 720 or later and the required power and cooling capacity.
Which slot and power requirements are needed for installation?
Install the SPA in a Security Services Module (SSM) slot; it requires a minimum of 400W AC power and a cooling airflow of 75 CFM.
Does the module require additional software or feature licenses?
No extra licenses are required beyond the Cisco IOS Enterprise Services or Advanced Enterprise Services feature set already enabled on the Supervisor Engine.
How do I configure a basic IPsec VPN on the SPA?
Use standard Cisco IOS commands under crypto isakmp and crypto ipsec transform-set, bind with crypto map, and apply to the WAN interface; refer to Cisco configuration guides for step-by-step syntax.
What high-availability options are supported?
The SPA supports Stateful Route Switchover (SRS) and Nonstop Forwarding (NSF), enabling seamless failover when paired with Supervisor Engine redundancy.
How does this module improve overall network security?
By offloading IPsec encryption and decryption to dedicated hardware, it reduces CPU load, enforces consistent crypto policies, and mitigates DoS attacks with wire-speed performance.
Can I deploy this module in data center and enterprise edge environments?
Yes, the high throughput and tunnel density make it ideal for enterprise WAN aggregation, data center interconnects and encrypted cloud access.
Which Cisco IOS software versions support the VPN SPA?
Supported releases include Cisco IOS 12.2(33)SXH, 15.0(1)SY onwards under Enterprise Services and Advanced Enterprise Services trains.
What are the environmental and operating temperature specifications?
Operating temperature ranges from 0°C to 45°C, storage from –40°C to 70°C, with humidity from 5% to 85% non-condensing.
What warranty and technical support are available?
Cisco offers a limited lifetime hardware warranty with 90-day software support; extended Smart Net Total Care contracts are available for 24×7 coverage and advance replacement.
Where can I order replacement SPAs or upgrades?
Authorized Cisco partners and the Cisco Commerce Workspace portal stock replacement modules, upgrades and service contracts.