United States$5,000,000+
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Noah Bennett
5
Compact security module worked as expected.
WS-C6503E-CSM
CSM, 6503, Sup720 Bundle
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WS-C6503E-CSM
- Description:
- CSM, 6503, Sup720 Bundle
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- Brand:
- Cisco
- GTIN:
- 582723299171
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WS-C6503E-CSM Overview
WS-C6503E-CSM is a high-performance chassis switch module designed for the Cisco Catalyst 6500 series, featuring a robust modular architecture that supports integration with various line cards. It offers flexible power options via redundant AC power supplies, ensuring business continuity and high availability in mission-critical environments.
Designed with scalability in mind, the WS-C6503E-CSM delivers reliable Layer 2 and Layer 3 performance and supports multiple expansion modules within a Catalyst 6500 chassis. With a mix of copper and fiber media support, versatile uplink configurations, and managed capabilities, it is well suited for networking scenarios that demand high throughput and reliable switching in enterprise and data center deployments.
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WS-C6503E-CSM 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-C6503E-CSM
- Uplink Configuration
- 1G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- N/A
- Memory
- 256 MB
- Rack Units
- N/A
- Interface Ports
- 10/100
- Port/Expansion Slot Details
- Supports multiple expansion modules in a Catalyst 6500 chassis configuration.
- Flash Memory
- 64 MB
- Switching Capacity
- N/A
- Switching Capacity with Stacking
- N/A
- Product Name
- Cisco Catalyst 6503E-CSM Chassis Switch Module
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
WS-C6503E-CSM Use Case
Data Center Core Switching for Low-Latency Virtualization
In a global financial services data center, the WS-C6503E-CSM-CSM with Sup720 Bundle serves as the core switching platform for virtualized trading applications. By delivering 720 Gbps of non-stop forwarding capacity and sub-50 μs latency, it ensures real-time transaction processing with zero packet loss. Benefit: Ultra-low latency and hitless failover guarantee uninterrupted trading operations and maximum ROI on virtualization.
Campus Network Aggregation for Converged Voice, Video & Data
At a multinational university campus, the 6503 chassis with dual CSM-CSM Supervisor Engines and Sup720 modules aggregates thousands of Wi-Fi, VoIP and video-conferencing endpoints. Advanced QoS, VLAN segmentation and IEEE 802.1X security deliver jitter-free lectures and secure student portals. Benefit: Scalable 10 GbE uplinks and granular traffic management optimize bandwidth utilization and elevate end-user experience.
Service Provider Ethernet Edge with MPLS & QoS
A regional carrier deploys the Catalyst 6503E as an Ethernet edge aggregation node, terminating 1 GbE/10 GbE customer circuits and running MPLS, OSPF and advanced QoS policies. The Sup720 Bundle accelerates control-plane functions, enabling policy-based VPNs and class-of-service at scale. Benefit: High port density, rapid convergence and carrier-grade resiliency support SLAs for business-class Ethernet services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 WS-C6503E-CSM |  WS-C6504E-S32P-GE |  WS-C6504-E-WISM |  VS-C6506E-S720-10G |  WS-C6509-E-FWM-K9 | |
|---|---|---|---|---|---|
| Depth | N/A | 18 inches | N/A | 20 inches | 24 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 64 MB | 64 MB | 256 MB |
| Form Factor | Chassis | Chassis | Chassis | Chassis | Chassis |
| Height | N/A | 1.75 inches | N/A | 7 inches | 10.5 inches |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100 | 10/100/1000 | 10/100/1000 | 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-C6503E-CSM | WS-C6504E-S32P-GE | WS-C6504-E-WISM | VS-C6506E-S720-10G | WS-C6509-E-FWM-K9 |
| Media Type Supported | Twisted Pair / Fiber / Combo | Combo | Combo | Combo | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 256 MB | 512 MB | 256 MB |
| Number of Downlink Ports | N/A | 32 Ports | N/A | 48 Ports | N/A |
| Number of Ethernet Ports | N/A | 24–48 Ports | N/A | Over 48 Ports | Over 48 Ports |
| POE Support | Non POE | POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | Supports multiple expansion modules in a Catalyst 6500 chassis configuration. | 4-slot chassis with 32 integrated PoE Gigabit Ethernet ports and 4 SFP uplink ports | 4-slot chassis with modular expansion options | 6-slot chassis with S720 module and 10G uplink | 9 Slots (8 for line cards, 1 for supervisor module) |
| Power Consumption | N/A | N/A | N/A | 350W | N/A |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst 6503E-CSM Chassis Switch Module | Cisco Catalyst 6504E 32-port PoE Gigabit Ethernet Switch | Cisco WS-C6504-E Wireless Integrated Services Module | VS-C6506E-S720-10G Chassis Switch | Cisco Catalyst 6509-E-FWM-K9 |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | N/A | 1 RU | 4 RU | 4 RU | 6 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | N/A | 4 SFP Ports | Combo | 24 SFP Ports | N/A |
| Switching Capacity | N/A | 176 Gbps | N/A | 480 Gbps | 480 Gbps |
| Switching Capacity with Stacking | N/A | N/A | N/A | 960 Gbps | N/A |
| Uplink Configuration | 1G | 1G | 1G | 10G | 1G / 10G |
| Weight | N/A | 25 lbs | N/A | 50 lbs | 70 lbs |
| Width | N/A | 17.5 inches | 19 inches | 17 inches | 19 inches |
Reviews & Ratings
A
Aamir Zafar
4
Stable performance in smaller chassis.
R
Rene Dupont
5
Good legacy security option.
S
Saif Riaz
3
No operational issues.
G
Gregory Holt
4
Dependable Cisco component.
Questions & Answers
What is the Cisco WS-C6503E-CSM Sup720 Bundle?
The WS-C6503E-CSM Sup720 Bundle is a high-performance Cisco Catalyst 6503-E chassis with a Conditional Switch Module (CSM) and Supervisor Engine 720, providing advanced Layer 2/3 services.
What key features does the WS-C6503E-CSM offer?
It delivers up to 336 Gbps switching capacity, modular expansion slots, hot-swappable power and fans, integrated CSM for service chaining, and Supervisor 720 for enhanced security and QoS.
What performance specifications does the Catalyst 6503-E chassis support?
The chassis supports up to 336 Gbps full-duplex throughput, 64K MAC addresses, 16K VLANs, and up to 24 million packets per second (mpps) forwarding rate.
How many slots and ports are available on the Catalyst 6503-E?
The Catalyst 6503-E provides three module slots and two Supervisor slots, supporting up to 72 Gigabit Ethernet or 18 10-Gigabit Ethernet ports per slot.