Cisco C9500-48Y4C-E Full English Product Description
Product Overview
The Cisco Catalyst C9500-48Y4C-E is a high-density 1RU fixed core & aggregation switch preloaded with Network Essentials perpetual license, belonging to Cisco flagship Catalyst 9500 enterprise switching portfolio. Built on UADP 3.0 programmable ASIC, 2.4GHz x86 multi-core CPU and Cisco IOS XE operating system, it delivers wire-speed multi-rate 1/10/25G SFP28 downlinks plus 40/100G QSFP28 uplinks, cost-effective Layer 2/3 forwarding, foundational hardware security and enterprise resiliency. Optimized for 25G campus aggregation, medium data center leaf-spine fabric, and high-bandwidth backbone deployments with budget control and basic routing requirements.
Port Configuration
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48× SFP28 multi-rate ports: support 1G / 10G / 25G Ethernet for server/access switch aggregation
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4× QSFP28 uplink ports: auto-detect 40G or 100G, flexible for inter-switch core backbone
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Out-of-band management: RJ45 console, Mini-USB console, USB 3.0 Type-A, dedicated 1G OOB management port
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All ports support hardware 256-bit MACsec encryption, LACP link aggregation, jumbo frames up to 9198 bytes
Core Hardware Specifications
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Switching Capacity: 3.2 Tbps full-duplex non-blocking
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Forwarding Rate: 1 Bpps 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, large unified deep packet buffer for burst traffic absorption
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Stacking: StackWise-480 stacking (480 Gbps bandwidth), up to 8 switches per logical stack; StackWise Virtual dual-box virtualization supported
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Power & Cooling: Dual hot-swappable 650W platinum high-efficiency AC power supply slots; N+1 redundant field-replaceable fan trays for non-disruptive maintenance
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Environmental: Operating temperature 0°C–40°C; storage -20°C–65°C; humidity 5%–90% non-condensing
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Reliability: Industry-leading MTBF for 24/7 core network continuous operation
Scalability Table Capacities
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MAC Address Table: 82,000 entries
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IPv4 Routes: 212,000 indirect/direct routes + 90,000 host ARP entries
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IPv6 Routes: 212,000 indirect/direct routes + 90,000 host entries
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Combined IPv4/IPv6 Multicast Routes: Up to 32,000
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Hardware-Accelerated Security ACLs: 16,000 entries
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Hardware-Accelerated QoS ACLs: 16,000 entries
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Flexible NetFlow Records: Up to 512,000
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VLAN Support: 4,094 VLAN IDs, full SVI inter-VLAN Layer 3 routing
Network Essentials (E License) Feature Suite
Layer 2 & Basic Layer 3 Routing
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Complete Layer 2 toolkit: STP/RSTP/MSTP, LACP, Q-in-Q private VLAN, SPAN/RSPAN
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Core dynamic routing: Static routing, RIP, single-area OSPF, EIGRP stub mode, HSRP, VRRP
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Dual-stack IPv4/IPv6 wire-speed forwarding, basic static NAT/PAT
Foundational Hardware Security
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Secure boot, image signature validation, onboard Trust Anchor Module
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802.1X port authentication, hardware MACsec port encryption, CoPP control plane policing
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Standard ACL filtering, zero-touch provisioning (ZTP), baseline abnormal traffic suppression
Monitoring & Limited Automation
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Management access: CLI, local Web UI, SNMP v2/v3, partial NETCONF/YANG & gNMI telemetry
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Flexible NetFlow, Embedded Event Manager (EEM), basic streaming telemetry
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Restricted Cisco DNA Center compatibility: supports inventory, ZTP and basic monitoring; SD-Access, TrustSec and full fabric automation require Network Advantage license
High Availability
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SSO/NSF graceful restart, cross-stack LACP aggregation, ISSU hitless stacking firmware upgrade
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Hot-swappable redundant power supplies and fans for in-service maintenance
QoS & Multicast
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Hierarchical QoS, traffic policing/shaping, WRED congestion avoidance
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Standard PIM-SM/SSM multicast for IPTV, video conferencing and media streaming
Key Functional Limitations vs C9500-48Y4C-A (Network Advantage)
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No full BGP, multi-area OSPF, full EIGRP, IS-IS, MPLS L2/L3 VPN, MVPN
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Lacks VRF-lite multi-tenant segmentation, policy-based routing (PBR), LISP, VXLAN EVPN
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No Cisco TrustSec SGT micro-segmentation, SD-Access fabric architecture
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Limited programmable container hosting and advanced full ERSPAN telemetry capabilities
Typical Deployment Scenarios
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High-density enterprise campus aggregation layer for mass 25G access switch uplinks
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Medium-sized data center leaf-spine fabric with multi-rate server connectivity
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Inter-campus fiber core backbone with 100G uplink convergence
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Cost-controlled core network without cross-domain BGP and zero-trust micro-segmentation
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Mid-market enterprise, education and healthcare networks with simplified routing policies
Short Catalog Version (For BOM & Quotation)
Cisco C9500-48Y4C-E Catalyst 9500 48×1/10/25G SFP28 + 4×40/100G QSFP28 Switch, Network Essentials License
1RU high-density multi-rate core aggregation switch powered by UADP 3.0 ASIC, 3.2Tbps switching capacity, 1Bpps forwarding rate, StackWise-480 stacking, dual redundant 650W platinum AC power supplies, pre-installed Network Essentials IOS XE license, basic Layer 2/3 routing, hardware MACsec encryption and limited DNA Center automation, designed for cost-sensitive 25G campus aggregation and medium data center multi-speed fiber interconnection.
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