HP ENT J9729AR | Aruba 2920 Series 2920-48G PoE+ 44 x RJ-45 Ports PoE+ 10/100/1000Base-T + 4 x RJ-45 dual-personality Ports PoE+ Layer 3 Managed Rack-mountable Stackable Gigabit Ethernet Network Switch

Physical Specifications:

• 1. Model: HP Aruba 920-48G-POE+ (Part Number: J9729AR)
• 2. Form Factor: 1U Rack-mountable (mounting brackets included)
• 3. Number of Ports: 48 x 10/100/1000Base-T (Gigabit Ethernet) ports
• 4. SFP Ports: 4 x SFP (Small Form-factor Pluggable) ports for fiber optic uplinks
• 5. Power over Ethernet (PoE+): Supports PoE+ on some or all ports
• 6. Stackable: Yes, typically supports stacking of multiple switches for increased capacity and redundancy

Switching and Performance:

• 1. Switching Capacity: The total switching capacity of the switch (measured in Gbps)
• 2. Forwarding Rate: The maximum forwarding rate or packet forwarding rate (measured in Mpps)
• 3. VLANs: Support for Virtual LANs to segment network traffic
• 4. Spanning Tree Protocol (STP): Support for STP and its variants (RSTP, MSTP) for loop prevention

Layer 2 Features:

• 1. Link Aggregation: Support for Link Aggregation Control Protocol (LACP) for link redundancy
• 2. Jumbo Frames: Support for jumbo frames to increase data transmission efficiency
• 3. IGMP Snooping: Support for Internet Group Management Protocol snooping for multicast traffic optimization

Layer 3 Features:

• 1. IP Routing: The switch should support basic Layer 3 IP routing capabilities
• 2. Static Routing: Support for static routing to define specific routes

Management and Security:

• 1. Management Interface: Web-based GUI and CLI (Command Line Interface) access
• 2. SNMP: Support for Simple Network Management Protocol for network monitoring
• 3. Quality of Service (QoS): Traffic prioritization based on different criteria (DSCP, CoS, etc.)
• 4. Access Control Lists (ACLs): Granular control over traffic flow based on rules
• 5. Security: Features like MAC filtering, Port Security, DHCP Snooping, etc., to secure the network

Power Requirements:

• 1. Power Input: AC or DC power input (power supply units provided)
• 2. Power Consumption: Varies with the specific model and PoE usage