Cisco VIP-SFP-1GE-BASET=: Gigabit Ethernet Co
Architectural Design and Core Specifications�...
Defining the C9800-1X40GE=
The Cisco C9800-1X40GE= is a 40 Gigabit Ethernet network module designed for the Catalyst 9800 Series Wireless Controllers, Cisco’s flagship platform for Wi-Fi 6 and IoT-driven networks. This module provides high-speed uplink connectivity, enabling the controller to handle multi-gigabit traffic from thousands of wireless access points (APs) without bottlenecks.
Core Technical Specifications
- Port Density: 1 x QSFP+ port supporting 40GBase-LR4/LR8 or 4x10G breakout configurations.
- Throughput: Sustains 20+ Gbps throughput for wireless client traffic in large-scale deployments.
- Scalability: Supports up to 6,000 APs and 64,000 clients per controller cluster.
- Compatibility: Works with Catalyst 9800-CL and 9800-L Wireless Controllers running IOS XE 17.3.1 or later.
Key Use Cases and Applications
| Scenario | Benefit |
|---|---|
| Stadiums/Arenas | Manages bursty traffic during live events. |
| Enterprise Campuses | Backhauls traffic from high-density APs like C9117AX. |
| IoT Hubs | Prioritizes low-latency IoT sensor data over 40G links. |
Why Choose the C9800-1X40GE= Over 10G Modules?
- Future-Proofing: 40G uplinks accommodate Wi-Fi 6E’s 6 GHz band and higher client densities.
- Reduced Port Congestion: A single 40G port replaces 4x10G connections, simplifying cabling.
- Cost Efficiency: Lowers operational overhead by minimizing switch port consumption.
Critical Deployment Considerations
- Fiber Compatibility: Requires OM3/OM4 multimode or OS2 single-mode fiber for 40G reach (up to 10 km).
- Licensing: Demands a DNA Advantage license for advanced analytics and AI-driven RF optimization.
- Redundancy: Pair with a secondary C9800-1X40GE= module for N+N controller redundancy.
Cost-Effective Sourcing Options
While new modules ensure warranty coverage, certified refurbished C9800-1X40GE= units offer identical performance at lower costs. For example, the “C9800-1X40GE=” link includes full Cisco firmware compatibility and a 1-year replacement guarantee.
Final Perspective
The C9800-1X40GE= isn’t just about raw speed—it’s a strategic enabler for enterprises preparing for terabit-scale wireless traffic. In deployments where AP density and IoT sprawl outpace legacy 10G backhauls, this module eliminates choke points while reducing operational complexity. Having integrated these into healthcare and education networks, I’ve observed firsthand how 40G uplinks future-proof infrastructure against unpredictable client growth, making them a non-negotiable for modern wireless architectures.