S3590-18

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S3590-18 24-Port 100GbE Data Center Spine Switch – Technical Specifications

Parameter Category	Specification Details
Model Number	S3590-18
Switch Type	Fully Managed Layer 3 Data Center Spine / Fabric Switch
Hardware Ports	24 x 100G QSFP28 ports Note: These ports are often versatile and can be broken out into multiple lower-speed ports. For example, a single 100G QSFP28 port can often be split into 4x 25G or 2x 50G ports, effectively supporting 96x 25G SFP28 connections.
Switching Capacity	~4.8 Tbps (Terabits per second) (non-blocking) Calculated as 24 ports x 100 Gbps x 2 (full duplex) = 4.8 Tbps
Forwarding Rate	~3,570 Mpps (Million packets per second) or higher Based on 64-byte packets.
MAC Address Table	256K – 512K entries
Packet Buffer Memory	Very Deep Buffering (40 MB – 60 MB+) is common to handle traffic bursts in data center fabrics.
Jumbo Frame Support	12KB
Layer 2 Features	• STP/RSTP/MSTP (though often disabled in fabric designs) • 802.1Q VLAN (4K VLAN groups) • Port Mirroring (Many-to-1) • Link Aggregation (LACP, 802.3ad)
Layer 3 Features	Static Routing: IPv4/IPv6 Dynamic Routing: • BGP (Full Internet table support) • OSPFv2/v3 • IS-IS Multicast Routing: • PIM-SM • PIM-SSM • MSDP • IGMP v3 • MLD • ECMP (Equal-Cost Multi-Pathing) with 8+ paths • VRF Lite • Policy-Based Routing (PBR)
Data Center Features	• VXLAN (L2/L3 Gateway functionality, often with hardware-based VTEP) • EVPN (Ethernet VPN) control plane for VXLAN • Data Center Bridging (DCB): PFC, ETS, DCBX for lossless storage traffic • RDMA over Converged Ethernet (RoCE) support • MLAG (Multi-Chassis Link Aggregation) or equivalent vendor-specific technology (e.g., VSX, VPC)
Quality of Service (QoS)	• 8-16 priority queues per port • Advanced congestion management (e.g., ECN, WRED) • Precise traffic shaping and policing
Security Features	• ACL (Access Control List) – L2/L3/L4 for IPv4/IPv6 (hardware-accelerated) • DoS (Denial of Service) attack protection • Management ACLs (MACLs) • RADIUS/TACACS+ Authentication for management • Secure Boot
Management & Automation	CLI: Console port (RJ45/USB-C), Telnet, SSH Web GUI: HTTP/HTTPS (SSL) (may be limited on core-focused switches) Network Management: SNMP (v1/v2c/v3), sFLOW, NetFlow/IPFIX Automation & APIs: RESTful API, NETCONF/YANG, Python scripting, Ansible integration
Hardware Details	Power Supply: Dual or Quad, hot-swappable, modular power supplies (AC/DC/HVDC options) with N+N or N+1 redundancy. Power Consumption: 300W – 500W+ (highly dependent on optic modules used). Cooling: Redundant, hot-swappable, variable-speed fans with port-side exhaust (PSE) or port-side intake (PSI) airflow options. Dimensions (W x D x H): Standard 19-inch rack-mountable; typically 1U or 2U height.
Operating Temperature	0°C to 40°C (32°F to 104°F) (Wide range options may be available)
Operating Humidity	10% to 90% non-condensing
Certifications	CE, FCC, RoHS, UL