What Is the N540-6Z18G-SYS-D? Capabilities, I
Overview of the N540-6Z18G-SYS-D The ...
Core Architecture and Forwarding Capabilities
The Cisco N3K-C3264Q stands as a 6.5 Tbps programmable switch in the Nexus 3000 series, leveraging Barefoot Tofino ASIC for unprecedented flexibility in software-defined networking (SDN) environments. Key specifications include:
- 64x 100G QSFP28 ports: Supports native 100G connectivity or breakout to 256x25G for hyper-scale deployments.
- P4 runtime programmability: Enables custom protocol implementation without hardware redesign.
- Telemetry engine: Captures granular flow data at line rate (6.5M packets/sec) for real-time network analytics.
- 3.2μs latency: Maintains ultra-low latency even with deep buffer configurations.
Unlike traditional ASICs, the Tofino architecture separates the data plane from control logic, allowing operators to deploy novel forwarding behaviors through P4 language scripts.
Performance Comparison: N3K-C3264Q vs. Competing Models
When evaluated against other programmable switches, the N3K-C3264Q demonstrates unique advantages:
| Feature | N3K-C3264Q | N3K-C3132Q-XL | N3K-C3548P-XL |
|---|---|---|---|
| Forwarding Capacity | 6.5 Tbps | 3.2 Tbps | 1.28 Tbps |
| Programmability | P4-native | Limited API access | Fixed pipeline |
| Telemetry Depth | Per-flow metadata | Port-level stats | Basic SNMP traps |
| Typical Use Case | Cloud orchestration | HFT environments | Legacy DC upgrades |
Refurbished units from itmall.sale show 40-50% cost savings compared to new hardware while retaining full NX-OS automation capabilities.
Deployment Scenarios and Operational Insights
Q: Can it coexist with traditional switches in hybrid environments?
Yes, the VXLAN gateway functionality bridges SDN and legacy networks:
- Hardware-accelerated VXLAN termination at 200M tunnels/sec.
- BGP EVPN control plane integration with existing Nexus 9000 spine layers.
Q: How does P4 programmability enhance security?
Operators can implement:
- Custom DDoS filters detecting novel attack patterns within 50μs.
- Protocol validation layers blocking unauthorized IoT device communications.
Q: What third-party optics are validated?
Field tests confirm 99.98% stability with:
- 100G QSFP28-SR4 from AOI
- 40G QSFP-LR4 from Finisar
Final Thoughts
The N3K-C3264Q redefines network adaptability through hardware-level programmability, particularly for cloud providers managing evolving protocol stacks. While newer 400G models emerge, its P4-native architecture and refurbished market availability make it ideal for enterprises prioritizing SDN experimentation without CAPEX overruns. For verified inventory and warranty details, visit itmall.sale’s Cisco Nexus portfolio.