Product Type | Enterprise Router |
Model | C1121-4PLTEP |
Form Factor | Desktop, Fanless |
Weight | 1.68 kg |
Power Requirements | 100 to 240 VAC |
Maximum Encrypted Throughput | 800 Mbps (IMIX) |
Memory (RAM) | 4 GB |
Flash Memory | 4 GB |
Connectivity Technology | Wired |
Cisco ISR 1100 4P Dual GE SFP Router C1121-4PLTEP



Key Benefits

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- Offers enterprise-grade performance with support for secure, high-throughput edge routing up to 800 Mbps
- Integrated SD-WAN capabilities provide scalable, remote network control with cloud and local management solutions
- Compact, fanless design with robust feature set and TAA compliance makes it ideal for small offices and federal deployments
Product Overview
The Cisco ISR 1100 4P Dual GE SFP Router (C1121-4PLTEP) is an enterprise-grade routing solution built for branch offices and small businesses. It delivers up to 800 Mbps encrypted throughput with dual Gigabit Ethernet SFP ports, USB 3.0, and Micro-USB connectivity. Supporting MPLS and IPv4 protocols, WPA/AES encryption, and RADIUS authentication, the router ensures strong security. SD-WAN flexibility includes both local and cloud-based management. Compact and fanless, it’s ideal for tight spaces, and is TAA-compliant for government use. Built for scalability, performance, and reliability in edge deployments.
Specifications
Product Overview
Wireless Features
Wi‑Fi Support | Wi-Fi 6-capable (internal module, optional) |
LTE Support | Optional LTE Pluggable Module Supported |
Cellular Generation Compatibility | Up to 4G LTE (5G pending support) |
Compliance & Origin
Country of Origin | Mexico |
TAA Compliant | Yes |
Certifications | FCC, UL/CSA, RoHS |
Advanced Security Features
Encryption Algorithms | AES, WPA |
Routing Protocols Supported | MPLS, IPv4 |
Authentication Methods | RADIUS |
Management Protocols | IPv4, IPv6 |
Firewall Capability | Stateful Firewall with Zone-Based Policy Firewall |
VPN Support | IPsec VPN, DMVPN, FlexVPN |
Content Filtering | Cisco Umbrella (Cloud-Based) |
Threat Protection | Cisco Advanced Malware Protection (AMP, optional) |
Interfaces
Ethernet Ports | 4x Gigabit Ethernet Ports |
SFP Ports | 2x Dual GE SFP |
USB Ports | 1x USB 3.0 Type-A, 1x Micro-USB Console |
Management Ports | Micro-USB Console |
Data Transfer Rate | 1 Gbps per Ethernet Port |
WAN Interfaces | 1x LTE Pluggable (for future expansion) |
Physical & Environmental
Width | 10.8 Inch |
Depth | 7.85 Inch |
Height | 1.65 Inch |
Min Operating Temperature | 0 °C |
Max Operating Temperature | 45 °C |
Operating Humidity | 10% to 85% (non-condensing) |
Cloud Management & Licensing
Management Interface Options | WebUI, Cisco SD-WAN, Cisco vManage |
SD-WAN Capability | Yes - Enabled |
Local and Cloud Management | Supported |
Licensing Model | Cisco DNA Subscription (varies per term) |