C1117-4PLTEEA Cisco 4 Port Router Ethernet Modem

Overview Cisco C1117-4PLTEEA Integrated Services Router

The Cisco C1117-4PLTEEA ISR is a versatile networking solution designed for secure broadband and Ethernet connectivity. With integrated LTE Advanced, multiple Gigabit Ethernet ports, and advanced security features, it is ideal for small offices, branch deployments, and enterprise-grade applications.

General Information

• Manufacturer: Cisco
• Part Number: C1117-4PLTEEA
• Product Type: Router

Technical Specifications

WAN Interfaces

• DSL Port: 1 × ADSL2/VDSL2+ (Annex A)
• Combo Port: 1 × RJ-45 or SFP fiber

LAN Interfaces

• Switch: 4 × managed 10/100/1000 Gigabit Ethernet ports

Cellular Connectivity

• Integrated LTE Advanced (CAT6) for primary or failover WAN
• Dual Micro-SIM slots for carrier redundancy
• Built-in GPS and SMS functionalities

Performance

• Encrypted Throughput: Up to 150 Mbps (IPsec IMIX)
• LTE Speeds: Up to 300 Mbps download and 50 Mbps upload

Memory

• DRAM: 4 GB (fixed)
• Flash: 4 GB (fixed)

Power over Ethernet (PoE)

• Supports 2 PoE ports
• Supports 1 PoE+ port
• Requires optional 115W/150W power supply for full PoE operation

Management & Ports

• Console: 1 × Micro-USB port
• Storage: 1 × USB 3.0 Type A host port

Physical & Environmental

Dimensions and Weight

• Size: 1.75 × 12.7 × 9.6 inches
• Weight: Approx. 5.5 lbs (2.5 kg)

Acoustics

• Design: Fanless for completely silent operation

Operating Conditions

• Temperature: Supported operating range (°F/°C) at sea level

Software & Security

Operating System

• OS: Cisco IOS XE

SD-WAN Compatibility

• Fully compatible with Cisco SD-WAN for automated cloud-based management

Advanced Security Features

• Hardware-accelerated VPN
• Zone-Based Firewall
• Cisco Umbrella integration for cloud-based threat protection

Cisco C1117-4PLTEEA 4 Port Services Router Ethernet Modem

The Cisco C1117-4PLTEEA 4 Port Services Router Ethernet Modem represents a highly advanced branch-oriented networking solution designed for modern enterprise environments requiring resilient connectivity, flexible WAN integration, and secure data transmission. As part of the Cisco Integrated Services Router (ISR) portfolio, this model delivers a compact yet powerful networking architecture that combines wired Ethernet switching capabilities with integrated LTE connectivity, enabling uninterrupted access to business-critical applications across distributed locations. This category of routers is engineered to support hybrid WAN deployments, combining traditional broadband links with mobile network redundancy to ensure continuous uptime in mission-critical environments. The Cisco C1117-4PLTEEA is particularly well-suited for remote offices, retail branches, industrial sites, and mobile deployments where stable and secure internet access is essential.

Enterprise Networking Role of Cisco C1117-4PLTEEA

Within enterprise network infrastructures, the Cisco C1117-4PLTEEA functions as a branch gateway device that consolidates routing, switching, and wireless LTE backup into a single integrated platform. This reduces dependency on multiple hardware components while simplifying network topology. Organizations deploying distributed branch networks benefit from its ability to maintain seamless connectivity between headquarters and remote offices, ensuring uninterrupted access to cloud services, VPN tunnels, and centralized applications. The router category emphasizes operational continuity, especially in environments where primary WAN links may experience downtime or instability. By leveraging LTE-based failover mechanisms, the device maintains operational integrity even during wired network disruptions, making it a critical component of modern SD-WAN architectures.

Core Architecture and System Design

Integrated Services Router Framework

The Cisco C1117-4PLTEEA is built on Cisco’s ISR framework, which integrates multiple networking functions into a unified platform. This architecture allows routing, security enforcement, WAN optimization, and cellular connectivity to coexist within a single device. The internal system design is optimized for low latency packet processing and high throughput performance, enabling efficient handling of concurrent data streams. The modular architecture ensures scalability while maintaining consistent reliability across different deployment environments. It is designed to support dynamic workload distribution and adaptive routing protocols that adjust in real time based on network conditions.

Hybrid WAN Connectivity Model

A defining feature of this router category is its hybrid WAN capability, which combines wired Ethernet connections with LTE mobile broadband. This dual-path connectivity model ensures that businesses maintain uninterrupted access to cloud infrastructure and internal systems. When the primary broadband connection experiences degradation or failure, the system automatically switches to LTE without disrupting active sessions. This failover capability is essential for industries that require constant uptime such as financial services, retail point-of-sale systems, and remote industrial monitoring environments. The integration of multiple WAN interfaces enhances resilience and operational stability.

Embedded LTE Functionality

The integrated LTE module in the Cisco C1117-4PLTEEA allows direct cellular network connectivity without the need for external modems or dongles. This embedded design reduces deployment complexity and improves reliability by minimizing additional hardware dependencies. LTE connectivity ensures rapid provisioning in locations where wired infrastructure is unavailable or limited. It also supports backup connectivity in urban environments where broadband redundancy is required. The LTE subsystem is optimized for secure data transmission, supporting encrypted tunnels and secure VPN configurations across mobile networks.

Physical Hardware and Port Configuration

Ethernet Port Architecture

The Cisco C1117-4PLTEEA includes multiple Ethernet ports that enable direct connectivity to local area networks, switches, and endpoint devices. These ports support high-speed data transfer and are designed to handle simultaneous traffic loads from multiple connected systems. The Ethernet interfaces are optimized for enterprise-grade performance, ensuring low packet loss and stable throughput under varying network conditions. This makes the router suitable for environments where multiple devices such as POS systems, IP cameras, and office workstations must operate concurrently.

LAN and WAN Interface Separation

The port architecture is structured to clearly separate LAN and WAN interfaces, allowing administrators to configure dedicated pathways for internal and external traffic. This separation enhances network security and performance by isolating external internet traffic from internal communication channels. WAN ports are typically configured for broadband or fiber uplinks, while LAN ports serve internal network distribution roles. This structured design ensures predictable traffic flow and simplified network management.

SIM Slot Integration and Mobile Network Support

A critical aspect of this router category is the inclusion of SIM slot integration for LTE connectivity. The SIM-based design enables direct access to mobile network operators, allowing businesses to deploy connectivity in remote or temporary environments. This feature is especially valuable for industries such as construction, logistics, and field operations where fixed-line infrastructure is not always available. The SIM integration supports secure authentication and network provisioning, ensuring compatibility with major telecom providers across different regions.

Network Performance and Optimization Capabilities

The Cisco C1117-4PLTEEA is engineered for optimized network performance through intelligent traffic management and adaptive routing technologies. The system prioritizes critical business applications such as VoIP, video conferencing, and cloud-based ERP systems to ensure consistent quality of service. Traffic shaping mechanisms distribute bandwidth efficiently, preventing congestion and maintaining stable performance across all connected devices. The router’s processing engine is designed to handle multiple concurrent sessions without degradation, making it suitable for high-demand environments.

Quality of Service and Traffic Prioritization

Quality of Service (QoS) functionality allows administrators to define traffic priorities based on application type, user role, or network policy. This ensures that latency-sensitive applications receive preferential treatment over less critical data transfers. In enterprise environments, this capability is essential for maintaining productivity and communication efficiency. The router dynamically adjusts bandwidth allocation to maintain optimal performance across fluctuating network loads.

Security Framework and Data Protection

Integrated Security Architecture

Security is a foundational element of the Cisco C1117-4PLTEEA design, incorporating multiple layers of protection to safeguard network traffic. The router supports advanced encryption protocols, secure VPN tunneling, and firewall capabilities that protect against unauthorized access and cyber threats. These security mechanisms operate at both hardware and software levels, ensuring comprehensive protection of sensitive data.

VPN and Encrypted Communication

Virtual Private Network support enables secure communication between remote branches and central data centers. The encrypted tunnels ensure that data transmitted over public networks remains protected from interception. This is particularly important for industries handling confidential information such as healthcare, finance, and government operations. The router supports multiple VPN configurations, enabling flexible deployment across complex enterprise networks.

Threat Defense and Access Control

The access control system within this router category allows administrators to define strict policies governing user access and network permissions. Combined with integrated threat detection mechanisms, the system helps mitigate risks associated with unauthorized access attempts, malware infiltration, and denial-of-service attacks. These features ensure that enterprise networks maintain a high level of resilience against evolving cyber threats.

Deployment Scenarios and Industry Applications

The Cisco C1117-4PLTEEA is widely used across multiple industries due to its flexibility and reliability. In retail environments, it supports point-of-sale systems and customer connectivity. In industrial settings, it enables machine-to-machine communication and remote monitoring. In corporate branch offices, it serves as a primary or backup internet gateway. The router is also used in temporary deployments such as events, pop-up stores, and emergency response operations where rapid network setup is required.

Branch Office Connectivity Solutions

For branch offices, this router provides a complete networking solution that integrates seamlessly with centralized IT infrastructure. It ensures that employees have access to cloud-based applications, communication platforms, and internal databases without interruption. The ability to combine wired and wireless WAN connections makes it a reliable choice for distributed enterprise environments.

Remote Industrial and IoT Environments

In industrial IoT applications, the router facilitates communication between sensors, machines, and central monitoring systems. Its LTE connectivity allows deployment in remote areas where traditional infrastructure is unavailable. This makes it suitable for utilities, energy sectors, and transportation networks that require continuous data collection and transmission.

SD-WAN Compatibility and Modern Network Integration

The Cisco C1117-4PLTEEA is designed to integrate with SD-WAN architectures, enabling intelligent routing across multiple WAN connections. SD-WAN compatibility allows organizations to optimize traffic based on application requirements and network conditions. This enhances cloud performance and improves overall network efficiency. The router supports dynamic path selection, ensuring that data is always transmitted through the most efficient route available.

Advantages of Cisco C1117-4PLTEEA Category Deployment

Deploying the Cisco C1117-4PLTEEA provides multiple advantages including simplified infrastructure, reduced hardware dependency, enhanced connectivity resilience, and improved security posture. Its integrated design reduces the need for separate modem devices and additional networking equipment. The router’s scalability and flexibility allow it to adapt to evolving business requirements, making it a long-term networking investment for enterprises of all sizes.

Operational Efficiency and Cost Optimization

By consolidating multiple networking functions into a single device, organizations can reduce operational costs and simplify maintenance processes. This consolidation also minimizes power consumption and physical space requirements, contributing to more efficient IT infrastructure management.