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Cisco

Cisco N9K-C9316D-GX | 16x 400G QSFP-DD; license-ready (Essentials/Advantage); VXLAN EVPN

SKU:N9K-C9316D-GX

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Description

Compact 1RU data-centre leaf/spine switch with 16 QSFP-DD 400G ports for dense 100/400G fabrics. Ideal for EVPN-VXLAN deployments, ultra‑low latency L2/L3, and high‑scale cloud fabrics. Supports flexible breakouts for migration to 100G.

Features

- High-density 100/400G leaf/spine switching in 1RU
- Flexible 400G→100G breakout for migration
- EVPN‑VXLAN fabric ready with rich L3 feature set
- Hot‑swap fans and PSUs for high availability
- Streaming telemetry for deep visibility

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Can I run 100G optics in the 400G ports?
A: Yes, using supported breakouts (400G QSFP‑DD to 4x100G) and compatible optics/cables.

Q: Does it support VXLAN EVPN?
A: Yes, VXLAN with BGP EVPN is supported under NX‑OS with the appropriate feature license.

Q: Is PoE available on these ports?
A: No. This is a data‑centre switch with QSFP‑DD data ports only.

Q: What airflow direction does this unit use?
A: Airflow depends on the ordered fan/PSU kits. Match fan/PSU airflow directions for your hot‑aisle/cold‑aisle design.

Q: Is stacking supported?
A: Traditional stacking is not supported. Use vPC, EVPN multi‑homing, or fabric-based designs.

Technical Specifications

- Ports: 16x 400G QSFP-DD (400GbE)
- Breakout: 400G→4x100G supported (hardware/optic dependent)
- Optics compatibility (examples): 400G SR8 (MMF, ~100m), DR4 (SMF, 500m), FR4 (SMF, 2km), LR4 (SMF, 10km); 100G via breakout (SR4, LR4, CWDM4)
- Forwarding: L2/L3, BGP/OSPF/ISIS, ECMP
- Overlays: VXLAN with BGP EVPN control-plane
- Telemetry: Streaming telemetry, sFlow/NetFlow (platform/NX-OS feature dependent)
- Timing: PTP (IEEE 1588v2) support (license/feature dependent)
- Redundancy: Hot‑swappable fans and PSUs
- Form factor: 1RU, front-panel QSFP-DD
- OS: NX-OS (Essentials/Advantage licensing options)

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