Description
The Cisco Catalyst 9500 Series, including the C9500-48Y4C-A model, is Cisco’s lead fixed enterprise core and aggregation switching platform, built on the Cisco Unified Access Data Plane (UADP) 3.0 ASIC. This high-performance switch features 48 nonblocking 1/10/25 Gigabit Ethernet SFP28 ports and 4 nonblocking 40/100 Gigabit Ethernet QSFP28 uplink ports, delivering up to 3.2 Tbps switching capacity and 1 Bpps forwarding performance. Ideal for hybrid work environments, it supports advanced routing, MPLS Layer 2/3 VPNs, SD-Access, and StackWise Virtual for high availability.
Key Features and Capabilities
- Reimagine connections with programmable pipeline, microengine capabilities, and template-based allocation for Layer 2/3 forwarding, ACLs, and QoS.
- Up to 36 MB unified buffer per ASIC, Intel 2.4-GHz x86 CPU, up to 120 GB USB 3.0 or 960 GB SATA SSD for application hosting.
- Scalable Layer 3 routing (IPv4/IPv6/multicast), IEEE 802.1ba AVB, PTP (IEEE 1588v2), static/dynamic NAT/PAT.
- Cisco StackWise Virtual for operational efficiency, nonstop communications, Multichassis EtherChannel.
- Platinum-rated AC/DC power supplies, field-replaceable N+1 redundant fans.
- Meraki cloud monitoring option, Cisco IOS XE with model-driven programmability, Python scripting, telemetry, container hosting, patching.
Platform Benefits
Resiliency: SMU, StackWise Virtual, SSO/ISSU/GIR on StackWise Virtual Link, MACsec MKA HA. Enterprise Security: Trustworthy solutions, Secure Boot, Trust Anchor Module, 256-bit MACsec. QoS: MQC, strict priority, WFQ VoQ, policing/shaping, hierarchical QoS. IP Routing: RIPv2/RIPng, OSPFv2/v3, EIGRP/v6, IS-ISv4, BGPv4/v6, PIM-SM/SSM/BIDIR, IPv6, Layer 3 subinterfaces. MPLS: L3 VPN, EoMPLS, VPLS, MPLS-TE. BGP EVPN VXLAN: Fabric support, L2/L3 VNI, anycast gateway, tenant multicast. SD-Access: VXLAN, L2/L3 VNI, control plane/border. Flexible NetFlow: IPv4/v6 records/sampler/export, NFv9/IPFIX. Programmability: NETCONF/RESTCONF/gNMI, YANG, ZTP/PnP. Smart Operations: Bluetooth/RFID/Blue Beacon, OOB management (RJ-45/USB), Meraki cloud.
Switch Performance and Scale
- Switching capacity: Up to 3.2 Tbps.
- Forwarding rate: Up to 1 Bpps.
- DRAM: 16 GB, Flash: 16 GB, VLAN IDs: 4,094.
- Flexible SDM templates: Distribution, Core (default), NAT, SD-Access; custom templates available.
Software and Automation
Cisco IOS XE supports Simplified Campus Automation, PnP/ZTP/PXE, API-driven config (NETCONF/RESTCONF/gNMI/YANG), granular telemetry, seamless upgrades/patching, WebUI, Meraki cloud management. Minimum software: Cisco IOS XE 16.8.1a. Smart Licensing for flexible management.
High Availability and Power
- Dual 1+1 redundant Platinum-rated power supplies (e.g., C9K-PWR-650WAC-R/Y, 930WDC-R).
- Field-replaceable 4-fan tray (C9K-T1-FANTRAY), front-to-back airflow, up to 24,000 rpm.
- Accessories: Rack mount kits (19″/23″), 4PT extension rails, SSD storage (240/480/960 GB).
Availability and Support
5 units in stock for immediate dispatch. Special offer: $11,999 (save 8%). PDF datasheet available. Enhanced Limited Lifetime Warranty with NBD replacement, 90-day TAC support.



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