Introduction to DS-C9124V-8PIVK9

The ​​DS-C9124V-8PIVK9​​ is a Cisco Catalyst 9000 Series ​​24-port Ethernet switch module​​ optimized for high-density Power over Ethernet (PoE+) deployments. Designed for enterprise campuses and IoT environments, this module integrates advanced security, energy-efficient PoE management, and support for Cisco’s SD-Access architecture. The “8PIV” in its product code suggests ​​8 prioritized IP video ports​​, making it ideal for surveillance and real-time media applications.

Key Hardware and Software Specifications

• ​​Port Configuration​​:
  • 24x 10/100/1000BASE-T RJ45 ports (8x PoE+/16x PoE)
  • 4x 1G/10G SFP+ uplinks
• ​​PoE Budget​​: ​​600W total​​ (30W per port on 8 prioritized ports, 15.4W on others)
• ​​Switching Capacity​​: 128 Gbps (non-blocking)
• ​​Security Features​​:
  • ​​Cisco TrustSec​​ with SXP (Security Group Tag Exchange Protocol)
  • MACsec encryption (256-bit AES)
• ​​Software Licensing​​: Includes DNA Essentials for basic SD-Access

Core Use Cases

1. ​​IP Surveillance Networks​​: Power and prioritize feeds from 8x 4K IP cameras while handling uplink traffic from 16x 1080p cameras.
2. ​​Hybrid Workspaces​​: Support PoE+ for UC devices (e.g., Cisco Webex Room Kits) and standard PoE for VoIP phones.
3. ​​Smart Building IoT​​: Connect HVAC sensors, lighting controllers, and occupancy detectors with QoS for BACnet/IP traffic.

Compatibility and Integration

​​Supported Cisco Platforms​​:

• ​​Chassis​​: Catalyst 9500-48Y4C, 9500-32C (requires Supervisor Engine C9500-40X)
• ​​Wireless​​: Catalyst 9800-CL Wireless Controllers with 4800 APs
• ​​Management​​: Cisco DNA Center 2.3.5+ for zero-touch provisioning

​​Critical Firmware Requirements​​:

• IOS XE 17.9.1 for PoE++ (IEEE 802.3bt) pre-standard support
• Cisco ISE 3.1 for TrustSec policy enforcement

Addressing Key User Questions

​​Q: Can the 8 prioritized PoE+ ports deliver 60W for BT/IEEE 802.3bt devices?​​
A: No. The ​​DS-C9124V-8PIVK9​​ supports up to 30W per port (IEEE 802.3at). For 60W, consider Catalyst 9300-48UXM switches.

​​Q: Does it support multi-gigabit (2.5G/5G) speeds?​​
A: No. The RJ45 ports are limited to 1G. Use SFP+ uplinks for 10G connectivity.

​​Q: Is the DNA Essentials license upgradable?​​
A: Yes. You can migrate to DNA Advantage for advanced features like Encrypted Traffic Analytics (ETA).

​​Q: How does it compare to the older WS-C2960X-24PS-L?​​
A: Key improvements include:

• ​​6x higher PoE budget​​ (600W vs. 96W)
• ​​MACsec encryption​​ for Layer 2 security
• ​​SD-Access readiness​​ with DNA Center integration

Purchasing and Validation

The DS-C9124V-8PIVK9 is available through Cisco partners like itmall.sale. Verify authenticity using Cisco’s ​​Serial Number Checker​​—counterfeit modules often overheat under sustained PoE loads, risking device failures.

Field Deployment Insights

In a recent airport surveillance upgrade, the DS-C9124V-8PIVK9’s prioritized PoE+ ports ensured zero packet loss for facial recognition cameras during peak hours. However, teams must rigorously validate power budgets: A client’s attempt to connect 12x 30W PTZ cameras overloaded the module, triggering thermal shutdowns until we redistributed loads across multiple switches. Another lesson: Always enable ​​storm control​​ on IoT-facing ports—a single malfunctioning HVAC sensor flooded the VLAN with 900,000 BPDUs per minute. While the module’s 1G ports feel dated in 2023, they remain cost-effective for legacy device fleets. For greenfield projects, though, pairing this with a Catalyst 9300-24UX (for multi-gig) creates a balanced topology.