Cisco C9200L-24PXG-4XA++ Switch: What Delivers Enterprise-Grade PoE++ and 100G Uplink Scalability?



​Core Specifications and Design Innovations​

The ​​Cisco Catalyst C9200L-24PXG-4XA++​​ is a ​​24-port Multi-Gigabit Layer 3 switch​​ engineered for enterprises demanding ​​ultra-high PoE++ density​​ and ​​hyperscale uplink performance​​. It combines ​​24x 100/1000/2500/5000/10000BASE-T Multi-Gig PoE++ ports​​ with ​​4x 100G QSFP28 uplinks​​, targeting data-intensive use cases like AI-driven campuses, smart cities, and industrial automation.

Key advancements:

  • ​1.92kW total PoE++ budget​​ (90W per port), supporting ​​Class 6/8 devices​​ such as ​​robotic arms​​, ​​5G small cells​​, and ​​8K video surveillance systems​​.
  • ​Cisco DNA Premier with 4XA++ Licensing​​: Includes ​​predictive analytics​​, ​​zero-trust segmentation​​, and ​​lifetime 24/7 enterprise support​​.
  • ​Modular power redundancy​​: Dual ​​2000W AC/DC power supplies​​ (hot-swappable) ensure uptime in mission-critical operations.

​Performance and Target Workloads​

​1. Extreme-Power IoT and Automation​

The switch’s ​​90W per port​​ capability powers:

  • ​12x collaborative robots (cobots)​​ with real-time sensor feedback.
  • ​20x 8K IP cameras​​ with on-edge AI inferencing.

​2. Hyperscale Uplink Throughput​

The ​​4x 100G uplinks​​ handle:

  • ​Data lake synchronization​​ between edge and cloud.
  • ​AR/VR rendering farms​​ requiring <2ms latency.

​Comparison with Catalyst 9200 Series Peers​

Model PoE++ Ports/Uplinks PoE Budget Key Differentiation
​C9200L-24PXG-4XA++​ 24x Multi-Gig PoE++ 1.92kW 100G uplinks + 90W/port
​C9200L-24PXG-2Y-E=​ 24x Multi-Gig PoE++ 1.44kW 25G uplinks, lower budget
​C9300-48UXM​ 48x 1G/10G PoE+ 1.8kW Higher port density

This model prioritizes ​​hyperscale edge-to-core throughput​​ and ​​industrial-grade PoE++​​, surpassing traditional campus switches.


​Addressing Critical User Concerns​

​Q: Are the 100G uplinks compatible with 40G or 25G transceivers?​

Yes. Using ​​QSFP28-to-QSFP+ breakout cables​​, the ports can operate at 40G or split into 4x25G/10G links.

​Q: Does the 4XA++ license cover zero-trust hardware enforcement?​

Yes. It enables ​​Cisco TrustSec with SGT propagation​​ across mixed-vendor fabrics.


​Deployment and Procurement Insights​

  • Use ​​Cisco Crosswork Network Controller​​ for unified management of 100G spine-leaf architectures.
  • For pricing and bulk educational/enterprise discounts, visit “C9200L-24PXG-4XA++”.

​Engineer’s Verdict​

The ​​C9200L-24PXG-4XA++​​ redefines enterprise switching for ​​AI-at-the-edge​​ and ​​Industry 5.0​​ use cases. While its 100G uplinks and 90W PoE++ are overkill for typical offices, they’re indispensable for organizations pushing IoT and automation frontiers. Budget-conscious buyers might balk at its premium, but for those building future-ready infrastructures, this switch is a rare blend of brute force and precision.

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