S3590-19

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S3590-19 48-Port 25GbE Data Center Top-of-Rack Switch – Technical Specifications

Parameter Category	Specification Details
Model Number	S3590-19
Switch Type	Fully Managed Layer 3 Data Center ToR (Top-of-Rack) Switch
Hardware Ports	48 x 25G SFP28 ports 6 x 100G QSFP28 uplink ports or 48 x 25G SFP28 ports 4 x 200G/400G QSFP-DD uplink ports (The “19” suffix often denotes 25G server-facing ports with high-speed uplinks)
Port Breakout	Uplink ports can be broken out. • A 100G QSFP28 port can break out into 4x 25G SFP28 ports. • A 400G QSFP-DD port can break out into 4x 100G, 2x 200G, or 8x 50G ports. This provides immense flexibility for uplink configuration.
Switching Capacity	~2.4 Tbps (Terabits per second) or higher (non-blocking) Calculated as (48x25G + 6x100G) x 2 (full duplex) = 3.6 Tbps. Actual depends on specific uplink configuration.
Forwarding Rate	~2,700 Mpps (Million packets per second) or higher
MAC Address Table	256K entries
Packet Buffer Memory	32 MB – 64 MB (Deep buffers are critical for handling traffic bursts from many high-speed servers)
Jumbo Frame Support	12KB
Layer 2 Features	• STP/RSTP/MSTP (often disabled in fabric designs) • 802.1Q VLAN (4K VLAN groups) • Port Mirroring (Many-to-1) • Link Aggregation (LACP, 802.3ad, up to 128 groups)
Layer 3 Features	Static Routing: IPv4/IPv6 Dynamic Routing: • OSPFv2/v3 • BGP • IS-IS Multicast Routing: • PIM-SM • PIM-SSM • IGMP v3 • MLD • ECMP (Equal-Cost Multi-Pathing) with 16+ paths • VRF Lite • Policy-Based Routing (PBR)
Data Center Features	• VXLAN (L2/L3 Gateway functionality with hardware-based VTEP) • EVPN (Ethernet VPN) control plane for VXLAN • Data Center Bridging (DCB): PFC, ETS, DCBX for lossless storage traffic (NVMe over Fabrics) • RDMA over Converged Ethernet (RoCE) support (RoCEv2) • MLAG (Multi-Chassis Link Aggregation) for cross-switch redundancy
Quality of Service (QoS)	• 8-12 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) Network Management: SNMP (v1/v2c/v3), sFLOW, NetFlow/IPFIX Automation & APIs: RESTful API, NETCONF/YANG, Python scripting, Ansible integration
Hardware Details	Power Supply: Dual, hot-swappable, modular power supplies (AC/DC/HVDC options) with N+1 redundancy. Power Consumption: 250W – 400W+ (highly dependent on optic modules used). Cooling: Redundant, hot-swappable, variable-speed fans with side-to-side or port-side exhaust airflow. Dimensions (W x D x H): Standard 19-inch rack-mountable; typically 1U height.
Operating Temperature	0°C to 40°C (32°F to 104°F)
Operating Humidity	10% to 90% non-condensing
Certifications	CE, FCC, RoHS, UL