Cisco C9500X-28C8D-A Full Official English Product Description
Product Overview
The Cisco Catalyst C9500X-28C8D-A is a 1RU ultra-high-speed fixed core/aggregation switch preloaded with Network Advantage perpetual license, belonging to the next-generation Catalyst 9500X family. Powered by Cisco Silicon One Q200 7nm programmable ASIC with native P4 pipeline and on-chip HBM memory, this platform delivers terabit-scale non-blocking throughput, native 100G downlink density and 400G ultra-large uplink bandwidth. Running Cisco IOS XE, it is engineered for large enterprise campus core, hyperscale leaf-spine data center fabric, cross-data-center interconnections, SD-Access border nodes, and multi-cloud high-speed gateway deployments, supporting full Layer 3 routing, line-rate hardware security and advanced network automation.
C9500X-28C8D-A Front Panel
Port Configuration
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28 × QSFP28 multi-rate ports: auto support 40GE / 100GE; breakout to 4×10GE via splitter cables
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8 × QSFP-DD ultra-high-speed uplink ports: support 40GE / 100GE / 200GE / 400GE transceivers
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Out-of-band management interfaces: USB-C console, RJ45 serial console, USB Type-A storage port, dedicated 1G out-of-band Ethernet management port
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All ports support hardware MACsec-256 encryption, LACP link aggregation, jumbo frames up to 9198 bytes
Core Hardware Specifications
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Switching Capacity: 12.8 Tbps full-duplex non-blocking
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Forwarding Rate: 8 Bpps wire-speed packet forwarding for 64-byte frames
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Form Factor: 1U rack-mount, front-to-back airflow
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Chipset: Silicon One Q200 ASIC with integrated HBM high-bandwidth buffer, total 8GB deep packet buffer for burst traffic absorption
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Computing & Storage: Multi-core x86 CPU, 16GB DDR4 DRAM, 16GB SSD flash storage
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Stacking & Virtualization: StackWise-480 stacking (480Gbps bandwidth), up to 8 switches per logical stack; StackWise Virtual dual-box high availability
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Power & Cooling: Dual hot-swappable high-wattage platinum-efficiency AC power supplies; N+1 redundant field-replaceable fan trays
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Physical Dimension: 4.4 cm × 44.5 cm × 55.4 cm; Weight: 12.72 kg
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Environment: Operating temperature 0°C–40°C; storage -20°C–65°C; humidity 5%–90% non-condensing
Scalability Table Capacities
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MAC Address Table: 64,000 entries
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IPv4 Routes: Up to 256,000 combined direct & indirect routes
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IPv6 Routes: Up to 256,000 combined direct & indirect routes
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Total IPv4/IPv6 Multicast Routes: 48,000
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Hardware-Accelerated Security ACL Entries: 18,000
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Hardware-Accelerated QoS ACL Entries: 18,000
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Flexible NetFlow Records: Up to 512,000
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Supported VLAN IDs: 4,094; full SVI Layer 3 inter-VLAN routing
Network Advantage (A License) Full Feature Suite
Complete Enterprise Layer 3 Routing Stack
Full dynamic routing protocols: Static routing, RIP, multi-area OSPF, full EIGRP, BGP, IS-IS, PIM-SM/SSM multicast, HSRP, VRRP, VRF-lite, Policy-Based Routing (PBR), MPLS L2/L3 VPN, EVPN-VXLAN fabric, NAT/PAT, MVPN
Line-Rate Hardware Security
Secure boot, Trust Anchor module, image signature verification
256-bit MACsec & WAN-MACsec port encryption, 802.1X authentication
Cisco TrustSec SGT micro-segmentation, ISE native integration, hardware ACL filtering, CoPP control plane protection, threat traffic policing
Automation & Programmability
CLI, local Web UI, SNMP v2/v3, NETCONF/YANG, RESTCONF API
Python Guest Shell, on-board container hosting, P4 programmable pipeline
Full compatibility with Cisco DNA Center for Intent-Based Networking and SD-Access fabric deployment
High Availability
SSO/NSF graceful restart, cross-stack LACP, ISSU hitless stacking firmware upgrades
Hot-swappable redundant power supplies and fans for non-disruptive maintenance
Advanced QoS & Multicast Optimization
Hierarchical multi-level QoS, traffic policing/shaping, WRED congestion avoidance
Hardware offloaded multicast replication optimized for IPTV, large-scale video conferencing and media streaming
Typical Deployment Scenarios
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Large enterprise campus core & aggregation layer with massive 100G convergence
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Hyperscale leaf-spine data center fabric with 400G spine uplinks
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Inter-DC long-distance fiber backbone core links
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SD-Access fabric border and intermediate aggregation nodes
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Hybrid multi-cloud high-bandwidth gateway with 400G interconnection
Short Catalog Version (For BOM & Quotation)
Cisco C9500X-28C8D-A Catalyst 9500X Switch, 28×40/100G QSFP28 + 8×400G QSFP-DD, Network Advantage License
1RU ultra-high-performance fixed core aggregation switch powered by Silicon One Q200 ASIC, 12.8Tbps switching capacity, 8Bpps forwarding rate, dual redundant platinum AC power supplies, pre-installed Network Advantage perpetual license, full enterprise Layer 3 routing, line-rate MACsec encryption, TrustSec segmentation, EVPN-VXLAN fabric and full DNA Center SD-Access support, designed for large campus core and hyperscale data center high-speed fiber interconnection.
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