• Cisco N9K-C9348D-GX2A 48-port 400G QSFP-DD network switch
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Cisco N9K-C9348D-GX2A | Nexus 9300-GX2 48-Port 400G QSFP-DD Switch, 2x 10G SFP+, MACsec

N9K-C9348D-GX2A

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Description

The Cisco Nexus 9348D-GX2A is a high-density 400G data center switch engineered for next-generation spine-and-leaf architectures and AI/ML fabrics. This 2RU platform delivers 38.4 Tbps of switching capacity and 8.35 bpps forwarding performance across 48 QSFP-DD ports with wire-rate MACsec encryption. Supporting native 400G, 200G, 100G, and 40G connectivity with flexible breakout options, it provides investment protection and scalability for cloud-scale deployments running Cisco NX-OS or ACI.

Features

Cisco Cloud Scale ASIC technology for ultra-low latency and high throughput
- Support for BGP, OSPF, EIGRP, RIPv2, PIM-SM, SSM, and MSDP routing protocols
- Layer 2 and Layer 3 switching with full IPv4 and IPv6 protocol support
- VXLAN EVPN for network virtualization and multi-tenancy
- Virtual PortChannel (vPC) for enhanced redundancy and load balancing
- Equal-Cost Multipath (ECMP) for optimized traffic distribution
- Priority Flow Control (PFC) and Explicit Congestion Notification (ECN) for lossless networks
- Data Center Bridging (DCB) support for RoCE (RDMA over Converged Ethernet)
- Segment Routing (SR and SRv6) for advanced traffic engineering
- Advanced telemetry and analytics capabilities for network visibility
- In-Service Software Upgrades (ISSU) for zero-downtime maintenance
- Software Maintenance Upgrades (SMU) for targeted defect resolution
- Cisco Nexus Dashboard integration for unified management and automation
- Support for Cisco ACI, NX-OS VXLAN EVPN, and IP Fabric for Media deployments
- Comprehensive security features including MACsec, CloudSec, and role-based access control
- Hot-swappable power supplies and fan modules with N+1 redundancy
- Zero-touch provisioning and infrastructure automation support

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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Technical Specifications

FAQs

Technical Specifications

48x 400G QSFP-DD ports (also support 200G QSFP56, 100G QSFP28, 40G QSFP+)
- 2x 1/10G SFP+ fixed ports
- Breakout support: 4x10G, 4x25G, 4x50G, 4x100G, 2x200G per QSFP-DD port
- Switching capacity: 38.4 Tbps
- Forwarding rate: 8.35 billion packets per second
- All 48 ports capable of wire-rate MACsec and CloudSec encryption
- Memory: 32 GB RAM
- Storage: 128 GB SSD
- MAC address table: 500,000 entries
- VLAN support: 32,000 VLANs
- Form factor: 2RU (rack unit)
- Dimensions (L x W x H): 757 mm x 442 mm x 89 mm (29.8" x 17.4" x 3.5")
- Weight: 23.2 kg (51.15 lb)
- Power supplies: Dual hot-swappable 3200W AC/HVDC (1+1 redundancy)
- Fan modules: Hot-swappable, port-side intake (NXA-FAN-160CFM-PI)
- Operating temperature: 0°C to 40°C
- Humidity: 5% to 85% non-condensing
- Management: CLI, NX-OS, SNMP, NETCONF, REST API, zero-touch provisioning
- Software support: Cisco NX-OS, Cisco ACI, VXLAN EVPN, IP Fabric for Media
- Compliance: RoHS, WEEE, UL 60950-1, CAN/CSA C22.2 No. 60950-1

FAQs

Q: What licensing is required for the N9K-C9348D-GX2A?
A: The switch requires a LAN Base Services license to enable Layer 2 and Layer 3 capabilities. Essentials or Advantage licenses may be required for advanced features depending on your deployment mode (NX-OS or ACI). The switch ships without a license installed.

Q: Can this switch function as both a spine and leaf in ACI deployments?
A: Yes, the N9K-C9348D-GX2A is a dual-role switch that can serve as either a spine or leaf in Cisco ACI fabrics. The default role is leaf, but you can change the role through the APIC fabric inventory after initial discovery. The switch will automatically reboot into the configured role.

Q: What breakout options are supported on the QSFP-DD ports?
A: Each QSFP-DD port supports flexible breakout configurations including 4x10G, 4x25G, 4x50G, 4x100G, and 2x200G. The ports also support native 400G, 200G (QSFP56), 100G (QSFP28), and 40G (QSFP+) optics without breakout.

Q: Is MACsec encryption supported on all ports?
A: Yes, all 48 QSFP-DD ports on the N9K-C9348D-GX2A are capable of wire-rate MACsec and CloudSec encryption. This ensures Layer 2 encryption across all high-speed interfaces without performance degradation.

Q: What are the typical use cases for the Nexus 9348D-GX2A?
A: The switch is designed for high-density spine deployments in large-scale data center fabrics, AI/ML network infrastructures requiring low latency and high bandwidth, IP-based media production networks, and next-generation cloud architectures supporting 400G connectivity. Its compact 2RU design makes it ideal for space-constrained environments requiring maximum port density.

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