Arista EOS modular operating system with state-sharing architecture and Linux kernel foundation
- Layer 2 features: IEEE 802.1Q VLAN tagging, IEEE 802.1ad Q-in-Q, STP/RSTP/MSTP, IGMP snooping, link aggregation (LACP)
- Layer 3 features: BGP, OSPF, IS-IS, static routing, ECMP, VRF-Lite, policy-based routing
- VXLAN routing and bridging with wire-speed gateway functionality between VXLAN and traditional L2/L3 environments
- Dynamic Load Balancing (DLB): Real-time ECMP path selection based on port and queue utilization for AI workloads
- Cluster Load Balancing (CLB): Coordinated switch-level load distribution optimized for NVIDIA NCCL and OpenMPI frameworks
- Advanced DCQCN congestion control for RoCEv2 preventing PFC back-pressure cascades
- Multi-chassis Link Aggregation (MLAG) for redundancy and enhanced availability
- Hot-swappable redundant power supplies and N+1 fan redundancy
- Comprehensive telemetry and monitoring: sFlow, NetFlow, LANZ (Latency Analyzer), advanced event logging
- Zero Touch Provisioning (ZTP) for automated deployment
- Management protocols: CLI, SNMP v1/v2c/v3, SSH-2, Telnet, RESTCONF, gRPC, gNMI, OpenConfig
- CloudVision integration for network-wide orchestration, workload automation, and template-driven configuration
- Arista Validated Designs (AVD) support for best-practice configuration deployment
- Linear Pluggable Optics (LPO) support for simplified optics management and lower power consumption
- Field-removable supervisor card architecture for extended platform lifecycle and reduced downtime