Cisco C9500-12Q-A Full Official English Product Description
Product Overview
The Cisco Catalyst C9500-12Q-A is a 1RU fixed high-performance core and aggregation switch preloaded with Network Advantage perpetual license, belonging to Cisco Catalyst 9500 flagship enterprise switching familyCisco. Built on UADP 3.0 ASIC and x86 multi-core CPU with Cisco IOS XE operating system, it is purpose-built for enterprise campus core, aggregation layer, medium data center leaf-spine fabric, and high-speed inter-building backbone, addressing modern demands of mobility, IoT, multi-cloud connectivity and zero-trust security.
Port Configuration
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12× non-blocking 40G QSFP+ fiber ports; each QSFP+ supports breakout to four 10G SFP+ via split cables for flexible 10G uplink aggregation
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Out-of-band management interfaces: 1×RJ45 console port, 1×Mini-USB console, 1×USB Type A, 1×1G dedicated management port
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No built-in copper or PoE ports, fully optimized for high-speed fiber interconnection
Core Hardware Specifications
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Switching Capacity: 960 Gbps full-duplex non-blocking
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Forwarding Rate: 720 Mpps wire-speed packet forwarding
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Form Factor: 1U rack-mount, front-to-back airflow
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Memory & Storage: 16 GB DDR4 DRAM, 16 GB SSD flash storage, large shared deep packet buffer for burst traffic absorption
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Stacking: StackWise-480 stacking technology, up to 8 switches in one logical stack with 480 Gbps stacking bandwidth; also supports StackWise Virtual dual-box virtualization
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Power & Cooling: Dual hot-swappable 950W platinum-grade high-efficiency AC power supplies; redundant field-replaceable cooling fans for full N+1 redundancy
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Reliability: MTBF up to 179,660 hours; wide operating temperature range 0°C ~ 40°C
Scalability Table Capacities
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MAC Address Table: 64,000 entries
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IPv4 Routes: 64,000 indirect routes + 32,000 host routes
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IPv6 Routes: 32,000 indirect routes + 16,000 host routes
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Multicast Routes (IPv4/IPv6 combined): 48,000
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Security ACL Entries: 18,000 hardware-accelerated
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Flexible NetFlow Records: Up to 512,000
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Supported VLANs: 4,094; full SVI Layer 3 inter-VLAN routing
Network Advantage (A License) Full Feature Set
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Complete Layer 3 Routing
OSPF, EIGRP, BGP, IS-IS, RIP, PIM-SM/SSM multicast, HSRP, VRRP, MPLS L2/L3 VPN, NAT, MVPN
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Hardware-Accelerated Security
256-bit MACsec port encryption, Cisco TrustSec micro-segmentation, 802.1X authentication, ISE native integration, CoPP control plane protection, threat defense, ACL logging
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Automation & Programmability
NETCONF/YANG, RESTCONF API, Python Guest Shell, container hosting, full compatibility with Cisco DNA Center for Intent-Based Networking and SD-Access fabric deployment
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High Availability
ISSU hitless stacking upgrade, NSF/SSO graceful restart, cross-stack LACP link aggregation, redundant power/fan hot swap
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Advanced QoS & Multicast Optimization
Hierarchical QoS, traffic policing/shaping, dedicated multicast replication hardware for IPTV, video conferencing and large-scale streaming
Typical Deployment Scenarios
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Enterprise campus aggregation layer with massive 10G/40G uplink convergence
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Medium-sized data center leaf-spine fabric interconnection
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Inter-campus fiber backbone core links
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SD-Access fabric border node
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Multi-cloud hybrid network high-bandwidth gateway
Short Catalog Version (For Quotation & BOM)
Cisco C9500-12Q-A Catalyst 9500 12-Port 40G QSFP+ Switch, Network Advantage License
1RU fixed core aggregation switch with 12×40G QSFP+ ports, UADP 3.0 ASIC, 960Gbps switching capacity, StackWise-480 stacking, dual redundant platinum AC power supplies, pre-installed Network Advantage IOS XE license, full Layer 3 routing, hardware MACsec, TrustSec segmentation and DNA Center automation, designed for enterprise campus core and medium data center high-speed fiber aggregation deployments.
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