Specifications

• Product Model: Arista DCS-7280TR-48C6-R
• Switch Type: Fixed configuration, Layer 2 and Layer 3 switch with deep buffer architecture.
• Form Factor: 1 RU (rack unit) height.
• Port Configuration:
• Downlink Ports:
• 48 x 10GBASE-T RJ-45 ports (supporting 10G/1G speeds).
• Uplink Ports:
• 6 x 100GbE QSFP28 ports.
• Each QSFP28 port can be configured as:
• 1 x 100GbE
• 1 x 40GbE
• 4 x 25GbE or 4 x 10GbE (via breakout).
• Performance:
• Switching Capacity: 3.6 Tbps (Terabits per second).
• Forwarding Rate: 1.44 Bpps (Billion packets per second).
• Latency: Ultra-low latency (typically less than 3 microseconds).
• Buffering and Queuing:
• Packet Buffer Memory: 16 GB of deep buffer memory, suitable for handling large-scale traffic bursts and congestion in high-performance networks.
• Routing and Switching Features:
• Layer 2:
• VLAN support (802.1Q) with up to 4094 VLANs.
• Link Aggregation (LACP 802.3ad).
• Spanning Tree Protocol (STP, RSTP, MSTP).
• 802.1x authentication.
• VXLAN support for Layer 2 network virtualization.
• Layer 3:
• IPv4 and IPv6 unicast routing.
• Static routing and dynamic routing protocols, including BGP, OSPF, IS-IS, RIP.
• VRF (Virtual Routing and Forwarding).
• Equal-Cost Multipath (ECMP) routing for up to 128-way paths.
• Bidirectional Forwarding Detection (BFD) for fast failure detection.
• MPLS and VXLAN:
• MPLS: Supports MPLS Layer 2 and Layer 3 VPNs, MPLS TE (Traffic Engineering), and MPLS Fast Reroute (FRR).
• VXLAN: Supports Virtual Extensible LAN (VXLAN) with MP-BGP EVPN control plane for Layer 2 and Layer 3 network virtualization.
• Advanced Features:
• QoS (Quality of Service):
• Comprehensive QoS with classification, policing, marking, and shaping.
• Support for 8 hardware queues per port.
• Security:
• ACLs (Access Control Lists) for traffic filtering and security.
• Control Plane Policing (CoPP) to protect the control plane.
• MACsec (802.1AE) encryption for secure communication.
• Management and Automation:
• Management Interfaces:
• 1 x RJ-45 serial console port.
• 1 x 10/100/1000 RJ-45 management port.
• 1 x USB Type-A storage port.
• Management Features:
• Arista Extensible Operating System (EOS) with advanced programmability.
• SNMP, CLI, and web-based management.
• Support for Zero Touch Provisioning (ZTP) for automated configuration.
• NETCONF, JSON-RPC, and gRPC for programmability and automation.
• RESTful APIs for cloud-scale automation.
• Environmental and Power:
• Power Supply: Redundant, hot-swappable power supplies.
• Model R denotes reverse airflow (back-to-front).
• Typical Power Consumption: Approximately 300W (varies depending on configuration and traffic load).
• Cooling: Redundant, hot-swappable fan trays with reverse airflow.
• Operating Temperature: 0°C to 40°C (32°F to 104°F).
• Operating Humidity: 5% to 95%, non-condensing.
• Physical Dimensions:
• Dimensions: 1.75 inches (4.45 cm) height x 19 inches (48.26 cm) width x 20 inches (50.8 cm) depth.
• Weight: Approximately 24 pounds (10.88 kg).
• Use Cases:
• Data Center Spine and Leaf Architectures: Ideal for deployment in high-performance, low-latency data center networks.
• Cloud Networking: Supports VXLAN and EVPN for cloud-scale network virtualization.
• Service Providers: MPLS support and high density make it suitable for large-scale service provider environments.
• Enterprise Core and Aggregation: Capable of acting as a core or aggregation switch in large enterprise networks.
• Key Features:
• High-Density 10G: Provides 48 x 10GBASE-T ports, making it suitable for environments that require dense 10G copper connectivity.
• 100G Uplinks: The 6 x 100G QSFP28 uplink ports offer flexibility for interconnecting with core or spine switches at high speeds.
• Deep Buffering: The large 16 GB buffer allows it to handle traffic congestion and microbursts efficiently, making it ideal for content delivery networks (CDNs) and data centers with unpredictable traffic patterns.
•        Condition : Seller refurbished