Overview

The Cisco C1121-4PLTEP is an enterprise-grade Integrated Services Router (ISR) from the Cisco ISR 1100 Series, designed for branch offices, retail stores, industrial sites, and remote locations. It combines high-performance routing, advanced security, SD-WAN readiness, and flexible WAN connectivity in a compact platform.

Featuring 4 Gigabit Ethernet LAN ports, dual Gigabit Ethernet SFP WAN interfaces, and support for pluggable LTE modules with SMS and GPS capabilities, the C1121-4PLTEP provides reliable primary or backup WAN connectivity for mission-critical business applications. It is fully compatible with Cisco IOS XE, advanced security services, VPN, and cloud-managed SD-WAN deployments.

Key Features

Dual Gigabit SFP WAN Connectivity

Supports dual Gigabit Ethernet SFP interfaces, providing flexible fiber WAN deployment, carrier connectivity, and redundant uplinks.

4 Gigabit LAN Ports

Four integrated Gigabit Ethernet LAN ports enable direct connection of switches, access points, IP phones, and enterprise devices.

Pluggable LTE Expansion

Supports Cisco pluggable LTE interface modules with dual SIM functionality, enabling:

• LTE WAN backup

• Out-of-band management

• Automatic WAN failover

• SMS management

• GPS positioning

Ideal for remote offices, transportation, utilities, and industrial IoT deployments.

Enterprise Security

Supports advanced Cisco security technologies including:

• IPsec VPN

• DMVPN

• Zone-Based Firewall

• NAT

• Access Control Lists (ACL)

• Secure Remote Access

• Cisco Umbrella integration

SD-WAN Ready

Compatible with Cisco SD-WAN solutions for:

• Centralized management

• Intelligent path selection

• Application-aware routing

• Secure branch networking

Cisco IOS XE Platform

Runs Cisco IOS XE, providing:

• Modular architecture

• High stability

• Automation support

• REST APIs

• NETCONF/YANG

• Long-term software support

Technical Specifications

Specifications may vary depending on the installed software license and LTE module.

Typical Applications

The Cisco C1121-4PLTEP is ideal for:

• Enterprise branch offices

• Retail stores

• Financial institutions

• Government agencies

• Healthcare facilities

• Manufacturing plants

• Remote industrial sites

• Transportation networks

• Temporary project offices

• SD-WAN edge deployments

Why Choose Cisco C1121-4PLTEP?

• Enterprise-class Cisco reliability

• Flexible fiber and LTE WAN connectivity

• Built-in security and VPN services

• SD-WAN ready architecture

• High-performance branch routing

• Cisco IOS XE software platform

• Easy integration into existing Cisco networks

What's Included

• Cisco C1121-4PLTEP Router

• Power Adapter

• Console Cable

• Quick Start Guide

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