C9500-40X-A
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Cisco C9500-40X-A Core and Aggregation Switch
The Cisco Catalyst 9500-40X-A is a 1 RU, fixed-port enterprise core and aggregation switch engineered for U.S. campus and data-center environments—from Silicon Valley innovation hubs to Wall Street trading backbones.
Leveraging an Intel multi-core x86 CPU and Cisco’s UADP Application-Specific Integrated Circuit (ASIC), it features forty 10 Gbps SFP+ ports with front-to-back airflow, delivering up to 960 Gbps of full-duplex switching capacity and wire-speed forwarding at 720 Mpps.
Running Cisco IOS XE with the Network Advantage license, it provides advanced Layer 2/3 services, enterprise-grade security, and programmability tailored for modern American networks.
Overview
Highlights
-
Ports & Front-to-Back Cooling
40 × 10 Gbps SFP+ ports with field-replaceable, N+1 redundant fan-tray units and flexible airflow direction. Operational choice of front-to-back or back-to-front airflow for optimized thermal management. -
High Performance
Up to 960 Gbps switching capacity and 720 Mpps forwarding rate ensure seamless handling of east-west campus traffic. -
StackWise Virtual
Logical switch pairing for active-active resiliency and simplified management with sub-second failover. -
Advanced Layer 2/3 Services
IEEE 802.1Q VLANs, STP/RSTP/MSTP, LACP, MPLS L2/L3 VPNs, VRF-aware LISP, VXLAN/EVPN, NAT, and comprehensive QoS for campus core deployments. -
Enterprise-Grade Security & Resilience
Cisco Nonstop Forwarding with Stateful Switchover (NSF/SSO), redundant platinum-rated power supplies and fans, Trust Anchor Module, and wire-rate MACsec encryption (256-bit AES-GCM). -
Programmability & Telemetry
Open APIs (NETCONF/RESTCONF, gNMI), NX-API/Python SDK, streaming telemetry, and full Cisco DNA Center/Catalyst Center integration for automated operations.
Recommended Accessories
| Accessory | Category | Description |
|---|---|---|
| PWR-C4-950WAC-R | Power Supply | 950 W front-to-back cooling AC power supply (90–264 VAC) |
| CAB-CONSOLE-RJ45 | Console Cable | 6 ft RJ-45 to DB9F serial console cable for CLI access |
| CAB-CONSOLE-USB | Console Cable | 6 ft USB Type-A to Mini-B console cable for out-of-band management |
| C9500-ACCKITH-19I= | Rack-Mount Kit | High-end 19″ rack-mount accessory kit for Catalyst 9500 Series |
Comparison with Similar Models
| Feature | C9500-40X-A | C9500-40X-E | C9500-32C |
|---|---|---|---|
| Ports & Uplinks | 40 × 10 Gbps SFP+ | 40 × 10 Gbps SFP+ | 32 × 100 Gbps QSFP28 |
| License | Network Advantage | Network Essentials | Network Essentials |
| Switching Capacity | Up to 960 Gbps | Up to 960 Gbps | Up to 6.4 Tbps |
| Forwarding Rate | Up to 720 Mpps | Up to 720 Mpps | Up to 2.0 Bpps |
| Ideal Use Case | High-density 10 GbE core/aggregation with advanced services | High-density 10 GbE core with essentials feature set | High-capacity 100 GbE spine and core fabrics |
Specifications
| Parameter | Specification |
|---|---|
| Product Code | C9500-40X-A |
| Description | Catalyst 9500 40-port 10 Gigabit Ethernet switch with Network Advantage license |
| Feature Set | Cisco IOS XE with Network Advantage license |
| Fixed Ports | 40 × 10 Gbps SFP+ |
| Switching Capacity | Up to 960 Gbps full-duplex |
| Forwarding Rate | Up to 720 Mpps (64-byte packets) |
| Jumbo Frame Support | Up to 9,198 bytes |
| Power Supply | 950 W AC (PWR-C4-950WAC-R), front-to-back airflow |
| System Power Consumption | 850 W max |
| Management Interfaces | CLI, Web UI, SNMP v1/v2c/v3, NETCONF, RESTCONF, Cisco Catalyst Center, Cisco DNA Center, Meraki cloud monitoring |
| Console Ports | 1 × RJ-45; 1 × USB Mini-B |
More Details
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