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Architectural Overview and Functional Role ...
Overview of Cisco C1111-4PLTEEA-DNA
The Cisco C1111-4PLTEEA-DNA is a ruggedized industrial router designed for secure, scalable IoT deployments in extreme environments. Combining 4x PoE+ ports, LTE Advanced Pro backup, and native integration with Cisco DNA Center, this device delivers centralized management, zero-trust security, and reliable connectivity for operational technology (OT) networks. The “DNA” suffix highlights its compatibility with Cisco’s intent-based networking framework, while “4PLTEEA” denotes four PoE+ ports and LTE/Enhanced Cellular capabilities.
Core Technical Capabilities and Industrial Applications
Hardware and resilience features:
- PoE+ support: 30W per port (120W total) for IP cameras, sensors, and wireless APs in harsh settings.
- LTE redundancy: CAT-12 modem with carrier aggregation ensures failover during primary WAN outages.
- DNA Center integration: Enables automated provisioning, AI-driven analytics, and policy enforcement.
- Rugged design: Operates in -40°C to 75°C temperatures, with IP67 dust/water resistance and MIL-STD-810G shock/vibration compliance.
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Target industries and use cases:
- Manufacturing: Securing IIoT devices on factory floors with encrypted traffic segmentation.
- Utilities: Remote monitoring of substations with LTE backup for SCADA systems.
- Transportation: Onboard Wi-Fi and surveillance for trains or mining vehicles.
C1111-4PLTEEA-DNA vs. Non-DNA Industrial Routers
| Feature | C1111-4PLTEEA-DNA | C1111-4PLTEEA (Non-DNA) |
|---|---|---|
| Management | Cisco DNA Center automation | Manual CLI/web interface |
| Security | Encrypted traffic analytics | Basic ACLs and VPNs |
| Upgrade Flexibility | Over-the-air (OTA) updates | On-site firmware updates |
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Choose the DNA model if:
- Your organization requires centralized, policy-driven control over distributed sites.
- Predictive maintenance via AI-driven network analytics is critical.
- Compliance mandates zero-trust segmentation for OT/IoT devices.
Addressing Key Deployment Concerns
Q: How does LTE failover perform in remote areas?
The CAT-12 modem supports 4G/LTE bands 1-48, including rural frequencies (e.g., Band 5/12/71), ensuring coverage in low-signal zones.
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Q: Can DNA Center manage mixed-vendor IoT devices?
Yes, through Cisco Cyber Vision, which profiles and monitors non-Cisco devices via deep packet inspection (DPI).
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Q: Is the router compatible with legacy industrial protocols?
Yes, it supports Modbus TCP, DNP3, and PROFINET for seamless OT/IT convergence.
Sourcing and Lifecycle Management
For guaranteed hardware integrity and support, purchase the C1111-4PLTEEA-DNA through authorized partners like itmall.sale. Ensure DNA Center is licensed under Cisco’s Software-Defined Access (SD-Access) subscription for full feature access.
Final Insight
The C1111-4PLTEEA-DNA bridges a critical gap in industrial networking: delivering enterprise-grade security and automation to environments traditionally resistant to IT integration. While its upfront cost exceeds non-DNA models, the long-term savings in breach prevention and operational efficiency justify the investment. For industries like energy or logistics, where unplanned downtime costs millions hourly, this router isn’t just a tool—it’s insurance.