Product Overview (Introduction)
Cisco Catalyst C9500-24Y4C-A – High-Density 25G/100G Enterprise Core Switch
The Cisco Catalyst C9500-24Y4C-A is a premier fixed-core enterprise switch designed for high-performance campus networks. As part of the Catalyst 9500 Series, this model provides high-density 25G and 100G connectivity in a compact 1RU form factor. It is specifically engineered for businesses requiring massive scale, integral security, and simplified automation using Cisco’s Network Advantage software suite.
Technical Specifications
| Feature |
Detail |
| Model Number |
C9500-24Y4C-A |
| Downlink Ports |
24 x 1/10/25G SFP28 |
| Uplink Ports |
4 x 40/100G QSFP28 |
| Switching Capacity |
Up to 1.6 Tbps |
| Forwarding Rate |
1 Bpps |
| Software Level |
Network Advantage |
| Management |
Cisco DNA Center, CLI, SNMP, and Web UI |
Technical FAQ (Structured for SEO)
Q1: What are the key differences between C9500-24Y4C-E and C9500-24Y4C-A?
The main difference is the software license level. The C9500-24Y4C-E includes the Network Essentials license, which covers fundamental Layer 2 and Layer 3 functions, basic automation, and monitoring. The C9500-24Y4C-A features the Network Advantage license, which unlocks advanced capabilities such as full segmentation (SD-Access), MPLS, and BGP. For most standard core or aggregation deployments, the -E model offers a more budget-friendly solution.
Q2: Does this switch support 10G and 25G mixed environments?
Yes. The 24 SFP28 ports are backward compatible. They can support 1G, 10G, and 25G transceivers, allowing you to transition from 10G to 25G at your own pace without replacing hardware.
Q3: What 100G optical modules are compatible with the C9500-24Y4C-A?
This switch supports a variety of 100G QSFP28 modules, including:
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Short Range: QSFP-100G-SR4-S
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Long Range: QSFP-100G-LR4-S, QSFP-100G-CWDM4-S
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Direct Connect: 100G DAC (Direct Attach Copper) and AOC (Active Optical Cables) for high-speed stacking or server links.
Q4: How does the C9500-24Y4C-A handle high availability?
The C9500-24Y4C-A supports dual redundant, hot-swappable power supplies (AC or DC) and modular fans. It also supports Cisco StackWise Virtual technology, which allows two physical switches to operate as a single logical entity, maximizing network uptime and simplifying management.
Q5: What after-sales service and warranty are provided?
We offer a comprehensive 1-year hardware warranty on all Cisco switches. Our technical team provides free pre-sales compatibility consultation and basic configuration support. We maintain a large inventory to ensure expedited global shipping to minimize your project lead times.
SEO Checklist for Page Implementation
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Image Alt Text: Use descriptive tags like Cisco-C9500-24Y4C-A-Front-Panel and Catalyst-9500-25G-Switch-Rear-View.
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Internal Linking: Link the compatible transceivers (e.g., SFP-25G-SR-S) directly from the C9500-24Y4C-E page.
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FAQ Schema: Implement JSON-LD FAQ Schema so these questions appear directly in Google search results, increasing your "real estate" on the search page.
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Call to Action (CTA): Place a "Request a Quote" or "Check Availability" button prominently near the price or product image.
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