Cisco C9500X-60L4D-A Full Official English Product Description

Product Overview

The Cisco Catalyst C9500X-60L4D-A is a high-density 1RU next-generation core/aggregation switch preloaded with Network Advantage perpetual license, belonging to the advanced Catalyst 9500X family powered by Cisco Silicon One Q200 7nm ASICCisco. It delivers ultra-large forwarding scale, deep high-speed packet buffers, wire-speed multi-rate 10/25/50G downlink density plus native 400G uplink ports, running on Cisco IOS XE. Designed for hyperscale data center leaf-spine fabrics, large enterprise campus aggregation, AI/ML compute cluster interconnection, multi-cloud border nodes and high-bandwidth inter-building backbone deployments, it integrates full Layer 3 routing, hardware zero-trust security, StackWise Virtual redundancy and full Cisco DNA Center intent-based networking support.

Front Panel Port Configuration

60 × SFP56 downlink ports: Auto-negotiate 10G / 25G / 50G line rate; supports limited 1G transceivers (max 8 ports with SFP-1G-SX/LH only)
4 × QSFP-DD uplink ports: Support 40G / 100G / 200G / 400G transceivers; each QSFP-DD can breakout to 4×100G or 4×25G via split cables, expanding uplink density flexiblyCisco
Out-of-band management interfaces: 1×RJ45 console, 1×USB-C console, 1×USB 3.0 Type-A storage port, 1×dedicated 1G out-of-band management port
All ports support line-rate 256-bit MACsec / WAN-MACsec encryption, IEEE 802.3ad LACP, jumbo frames up to 9198 bytes, hardware-accelerated IPSec up to 800Gbps aggregate throughput

Core Hardware Specifications

ASIC: Cisco Silicon One Q200 (7nm process)
Switching Capacity: 9.2 Tbps full-duplex non-blocking
Forwarding Rate: 8 Bpps wire-speed packet forwarding for minimum 64-byte frames
Form Factor: 1U rack-mount, front-to-back airflow
Compute & Memory: 8-core 2.43 GHz Intel x86 CPU, 32 GB DDR4 DRAM, high-capacity local SSD storage for containerized application hostingCisco
Packet Buffer: 80 MB dedicated low-latency buffer + up to 8 GB HBM deep unified buffer to absorb massive burst traffic for cloud and AI workloads
Stacking & Virtualization: StackWise Virtual dual-box active/active redundancy; supports ISSU hitless firmware upgrades, cross-stack link aggregation
Power & Cooling: Dual hot-swappable platinum high-efficiency AC power supply slots; N+1 redundant field-replaceable variable-speed fan trays for non-disruptive maintenance
Physical Dimensions: 4.4 × 44.5 × 55.5 cm (1.73 × 17.5 × 21.8 inches)
Environmental Range: Operating temperature 0°C–40°C; storage -20°C–65°C; relative humidity 5%–90% non-condensing

Scalability Table Capacities

MAC Address Table: Up to 82,000 hardware entries
IPv4 Routes: Large-scale combined direct & indirect routing table for multi-tenant fabrics
IPv6 Routes: Expanded dual-stack IPv6 forwarding capacity
Combined IPv4/IPv6 Multicast Routes: 48,000 hardware replication entries
Hardware-Accelerated Security ACL Entries: 18,000
Hardware-Accelerated QoS ACL Entries: 18,000
Flexible NetFlow / IPFIX Flow Records: Up to 512,000
Supported VLAN IDs: 4,094; full SVI Layer 3 inter-VLAN routing, VRF-lite multi-tenancy

Network Advantage (A License) Full Feature Suite

Complete Enterprise & Data Center Routing Stack

Interior Routing: Static routing, RIP, multi-area OSPF, full EIGRP, IS-IS
Exterior Routing: Full BGP, SRv6 segment routing
Multicast: PIM-SM/SSM, MVPN, hardware multicast replication for video/streaming
Data Center Overlays: VXLAN EVPN, VXLAN-aware bridging & routing
MPLS Services: MPLS L2VPN, L3VPN, NAT/PAT, policy-based routing (PBR)
Gateway protocols: HSRP, VRRP, GLBP

Hardware-Accelerated Zero-Trust Security

Secure boot, Trust Anchor module, digital image signature validation
Line-rate MACsec/WAN-MACsec on all ports, hardware IPSec acceleration
Cisco TrustSec SGT micro-segmentation, native ISE integration
802.1X port authentication, CoPP control plane policing, hardware ACL filtering, threat traffic suppression

Full Automation & Programmability

Local management: CLI, on-box web UI, SNMP v2/v3
Open APIs: NETCONF/YANG, RESTCONF, gNMI/gNOI telemetry
Python Guest Shell, on-board container hosting, zero-touch provisioning (ZTP/PnP)
Native full compatibility with Cisco DNA Center for SD-Access fabric, intent-based automation, unified telemetry and lifecycle management

High Availability

SSO/NSF graceful restart, sub-50ms StackWise Virtual failover
ISSU hitless switch software upgrades without traffic downtime
Hot-swap redundant power supplies and fans for live maintenance

Advanced Hierarchical QoS

Multi-level traffic policing, shaping, WRED congestion avoidance
Port-level, VLAN-level and flow-level priority scheduling optimized for latency-sensitive AI, voice and video workloads

Typical Deployment Scenarios

Hyperscale data center leaf switches with dense 25G/50G server downlinks and 400G spine uplinks
Large enterprise campus aggregation layer supporting SD-Access zero-trust segmentation
AI/ML GPU compute cluster high-speed interconnection fabric
Multi-cloud hybrid network border gateway with 400G fiber backbone
Inter-campus high-density 50G aggregation core with future-proof 400G uplink scalability

Short Catalog Version (For BOM & Quotation)

Cisco C9500X-60L4D-A Catalyst 9500X 60×10/25/50G SFP56 + 4×400G QSFP-DD Switch, Network Advantage License

1RU high-performance Silicon One Q200 ASIC core/aggregation switch with 60 multi-rate 10/25/50G SFP56 downlinks and 4×400G QSFP-DD uplinks, 9.2Tbps switching capacity, 8Bpps wire-speed forwarding, deep HBM packet buffers, StackWise Virtual redundancy, dual platinum redundant AC power supplies, pre-installed Network Advantage perpetual license, full VXLAN EVPN/SRv6 data center routing, hardware MACsec zero-trust security and full DNA Center SD-Access support, built for high-density data center leaf fabrics and large enterprise high-speed aggregation deployments.


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