Cisco UCSX-NVMEXPI400-D= NVMe Expansion Modul
Product Overview and Target Workloads The �...
Introduction to the Cisco D-MHLD=
The Cisco D-MHLD= is a high-density modular line card designed for chassis-based switches and routers, such as the Catalyst 9400 Series or ASR 9000 platforms. While explicit documentation on Cisco.com is limited, the product code suggests a focus on Multi-High-Load Distribution (MHLD), catering to environments requiring scalable port density and traffic handling. Third-party insights from [“D-MHLD=” link to (https://itmall.sale/product-category/cisco/) indicate its role in aggregating high-speed connections for data centers, service providers, and large enterprises.
Key Technical Specifications
- Port Density: Supports 48x 10G SFP+ or 24x 25G SFP28 ports in a single slot, with optional breakout for 100G QSFP28 flexibility.
- Throughput: Up to 1.2 Tbps per slot, leveraging Cisco’s Cloud Scale ASIC for low-latency forwarding.
- Protocols: Full BGP, OSPF, VXLAN, and EVPN support for software-defined networking (SDN) underlays/overlays.
- Power Efficiency: 1.5W per port average consumption, with dynamic power scaling during low utilization.
- Redundancy: Hot-swappable design with N+1 power and fan redundancy for carrier-grade uptime.
Primary Applications
Hyperscale Data Center Aggregation
The D-MHLD= excels in spine-leaf architectures, where its 1.2 Tbps throughput and VXLAN termination capabilities streamline east-west traffic between server pods.
5G Mobile Backhaul
For telecom operators, the line card’s support for Precision Time Protocol (PTP) and segment routing (SRv6) ensures synchronization and low-latency transport for 5G fronthaul/backhaul.
Enterprise Core Switching
Large campuses or government networks benefit from its ability to consolidate 10G/25G access layers into a centralized core, reducing cabling complexity and improving fault isolation.
Integration with Cisco’s Ecosystem
The D-MHLD= is optimized for:
- Cisco IOS XE: Enables programmability via RESTCONF/NETCONF APIs and integration with DNA Center for intent-based networking.
- Cisco Crosswork Network Controller: Provides automation for service provisioning and traffic engineering in hybrid networks.
- Cisco ThousandEyes: Offers end-to-end visibility for applications traversing D-MHLD=-managed links.
Addressing Deployment Concerns
Is the D-MHLD= Compatible with Non-Cisco Optics?
While third-party SFPs may function, Cisco-validated optics (e.g., SFP-10G-SR) are recommended for warranty compliance and DOM support.
What Cooling Requirements Apply?
The line card operates within 40°C ambient temperatures but requires chassis-level airflow compliance (front-to-back or reverse).
How Does It Compare to the Catalyst 9400 48-Port Line Card?
| Feature | D-MHLD= | Catalyst 9400-48T |
|---|---|---|
| Max Port Speed | 25G | 10G |
| Throughput | 1.2 Tbps | 480 Gbps |
| SDN Capabilities | EVPN/VXLAN Native | VXLAN with Hardware Overlay |
| Target Use Case | Hyperscale/5G Backhaul | Enterprise Core |
Where to Purchase the D-MHLD=
Genuine Cisco hardware is critical for performance and support. Authorized resellers like [“D-MHLD=” link to (https://itmall.sale/product-category/cisco/) provide certified modules, often with lifecycle management services. Avoid gray-market sellers to prevent firmware tampering or counterfeit risks.
Final Perspective: Is the D-MHLD= a Future-Proof Investment?
Having evaluated its specs and ecosystem fit, the D-MHLD= is a powerhouse for organizations scaling toward terabit-scale traffic. Its 25G/100G readiness and SDN integration make it ideal for 5G and cloud-native deployments. However, mid-sized enterprises with sub-10G requirements may find its capabilities overkill. For hyperscalers and telecoms, this line card bridges the gap between current demands and next-gen infrastructure—though its premium cost necessitates a clear ROI strategy. In an era where density and automation are non-negotiable, the D-MHLD= isn’t just an upgrade; it’s a strategic enabler for those bold enough to future-proof at scale.