Management Ports: 1 × 10/100/1000 Ethernet, 1 × RS-232 Serial Console (RJ-45), 1 × USB
Max 800GbE Ports: 64
Max 400GbE Ports: 128 (via breakout)
Max 200GbE Ports: 256 (via breakout)
Max 100GbE Ports: 512 (via 8×100G breakout) — revision B enhanced
Max 50GbE Ports: 512 (via 16×50G breakout) — revision B enhanced
Max 10GbE Ports: +2 SFP+ data plane
Optics Support: 800GBASE-SR8, DR8, XDR, FR8, and proprietary 800G OSFP DAC and AOC; Linear Pluggable Optics (LPO) ready; full optics list at arista.com/transceivers-cables
Congestion Control: Advanced DCQCN (Data Center Quantized Congestion Notification), PFC/ECN support
QoS: Up to 8 unicast + 2 multicast queues per port; 802.1p and DSCP classification; ECN; strict priority and WRR scheduling
Table Sizes
MAC Addresses: 136K
IPv4 Host Routes: 500K
IPv4 LPM Routes: 860K
IPv4 Multicast (S,G): 256K
IPv6 LPM Routes (≤/64): 600K
IPv6 LPM Routes (any prefix length): 600K
ACLs: 2304 ingress / 512 egress
Supervision and Modular Architecture
Supervisor Card: DCS-7001-SUP-A (removable and field-replaceable)
Management Redundancy: Dual management Ethernet ports, serial console, and USB connectivity
AI/ML-Specific Capabilities
RoCEv2 Support: Full GPU-Direct RDMA at 800G with advanced congestion control
Packet Spraying: Load-aware traffic steering for GPU collective operations
Dynamic Load Balancing (DLB): Real-time ECMP path selection based on port and queue utilization
Cluster Load Balancing (CLB): Coordination with in-NIC scheduling for optimized collective operation completion
Advanced DCQCN: Sophisticated congestion control preventing PFC back-pressure cascades during all-reduce events
AI Analyzer: Hardware ECMP utilization tracking at 100 µs granularity for path imbalance detection
True Egress Mirror: Mirroring from egress queues for traffic analysis and debugging during synchronized operations
Smart System Upgrade (SSU): Graceful, non-disruptive software updates without fabric disconnection
Security Features
Access Control: IPv4/IPv6 ingress and egress ACLs (L2/L3/L4 fields), ACL drop logging and counters
Secure Boot: Digitally signed EOS images ensure trusted software boot process
Authentication: TACACS+, RADIUS, LDAP; Role-Based Access Control (RBAC)
Control Plane Protection: Control Plane Policing (CoPP), DHCP relay/snooping, MAC Security
Regulatory Compliance
Certifications: FCC Class A (US), ICES-003 (Canada), CE (EU), KCC (South Korea), NRTL (North America), RCM (Australia/New Zealand), UKCA (UK), VCCI (Japan), TEC (India), ANATEL (Brazil), ICASA (South Africa), BSMI (Taiwan), NOM Equivalency (Mexico)
