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Benjamin Cole
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Universal license ensures smooth operation and consistent performance for ISR 1100 series.
SISR1100UK9-166
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Cisco ISR 1100 Series IOS XE Universal
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SISR1100UK9-166
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- Cisco ISR 1100 Series IOS XE Universal
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SISR1100UK9-166 Overview
SISR1100UK9-166-Cisco ISR 1100 Series IOS XE Universal is a network operating system designed specifically for Cisco ISR 1100 Series routers. It is an OEM-licensed solution delivered via a digital key, offering a lifetime license for secure and high-performance routing suited to SMBs, enterprises, and IT management environments.
SISR1100UK9-166-Cisco ISR 1100 Series IOS XE Universal supports advanced network management and virtualization use cases with an online activation process that ensures swift deployment. Built to meet the stringent requirements of modern network infrastructures, it integrates seamlessly with preconfigured Cisco hardware to provide reliable connectivity for enterprise and education settings.
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SISR1100UK9-166 Specifications
- Use Case
- Enterprise
- Product Type
- Software License
- License Type
- OEM
- License Duration
- Lifetime
- User Count
- N/A
- Platform Compatibility
- N/A
- Delivery Method
- Digital Key
- Activation Type
- Online Activation
- Cloud Integration
- N/A
- Support Included
- Vendor Support Required
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- Yes
- Renewable
- No
- Compliance Certifications
- N/A
- Product Region
- Global
- Device Count
- 1 Device
- Language Support
- English
- Software Category
- Operating System
- Software Format
- Downloadable
- Bit Version
- 64-bit
- Product Name
- SISR1100UK9-166-Cisco ISR 1100 Series IOS XE Universal
SISR1100UK9-166 Use Case
Secure SD-WAN Connectivity for Multi-Site Branch Networks
In enterprises with dozens of branch offices, deploying the SISR1100UK9-166 Cisco ISR 1100 Series IOS XE Universal as an SD-WAN edge router ensures encrypted, policy-driven traffic routing and zero-touch provisioning. The result is a 30% reduction in WAN costs, 50% faster application performance, and centralized network management that scales with business growth.
IoT Edge Data Aggregation and Analytics in Retail Environments
A national retail chain uses SISR1100UK9-166 on Cisco ISR 1100 Series IOS XE Universal to aggregate data from RFID readers, video cameras, and POS terminals at each store. By filtering and pre-processing data locally, this edge solution cuts WAN usage by 40%, accelerates inventory tracking, and leverages built-in security to onboard IoT devices safely.
Remote Workforce VPN and Application Acceleration
Companies deploying the SISR1100UK9-166 Cisco ISR 1100 Series IOS XE Universal as a remote office gateway provide secure site-to-site and client VPN connectivity for 500+ teleworkers. Integrated WAN optimization and QoS deliver 60% better VoIP/UC quality, while automated VPN setup reduces deployment time by 70%, ensuring compliant, high-performance access to corporate resources.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SISR1100UK9-166 |  SL-1100-8P-SEC= |  SL-114P-UC= |  FL-VPERF-4P-100 |  SL-1100-4P-SEC= | |
|---|---|---|---|---|---|
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Software Category | Operating System | Security | Collaboration | Security | Security |
| License Type | OEM | Subscription | Subscription | Perpetual | Subscription |
| License Duration | Lifetime | 1 Year | 1 Year | Lifetime | 1 Year |
| Use Case | Enterprise | Enterprise | Enterprise | Business | Enterprise |
| User Count | N/A | N/A | N/A | N/A | N/A |
| Device Count | 1 Device | 1 Device | 1 Device | 1 Device | 1 Device |
| Platform Compatibility | N/A | Cross-Platform | N/A | N/A | Web-Based |
| Delivery Method | Digital Key | Digital Key | Digital Key | Digital Key | Digital Key |
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Language Support | English | English | English | English | Multilingual |
| Bit Version | 64-bit | N/A | N/A | N/A | N/A |
| Cloud Integration | N/A | N/A | N/A | N/A | N/A |
| Software Format | Downloadable | N/A | Downloadable | Downloadable | Downloadable |
| Support Included | Vendor Support Required | Vendor Support Required | Vendor Support Required | Yes | Yes |
| Product Name | SISR1100UK9-166-Cisco ISR 1100 Series IOS XE Universal | SL-1100-8P-SEC=-SEC LICS FOR ISR 1100 8P SERIES | SL-114P-UC=-UNIFIED COMMUNICATION LICS FOR ISR 1100 SERIES | FL-VPERF-4P-100-IPSEC PLUS 100MBPS LICS FOR ISR 1100 4P SERIES | SL-1100-4P-SEC=-SEC LICS FOR ISR 1100 4P SERIES |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Renewable | No | Yes | Yes | No | Yes |
| Compliance Certifications | N/A | N/A | N/A | N/A | N/A |
| Product Region | Global | Global | Global | Global | Global |
Reviews & Ratings
I
Isabella Reid
4
Easy setup with reliable B2B usability and minimal downtime.
A
Alexander Lane
4
Professional-grade deployment with stable enterprise performance.
M
Mia Foster
5
Reliable activation and strong integration with existing systems.
W
William Grant
4
Predictable operations for ISR 1100 series with minimal complexity.
Questions & Answers
What is the Cisco ISR 1100 Series IOS XE Universal (SKU: SISR1100UK9-166)?
The Cisco ISR 1100 Series IOS XE Universal (SISR1100UK9-166) is a compact, high-performance branch router offering integrated routing, security, and SD-WAN capabilities for small to medium offices.
What are the key features of the Cisco ISR 1100 Series?
Key features include the modular IOS XE Universal software image, up to 85 Mbps aggregate throughput, integrated VPN and firewall, SD-WAN, cellular 4G/5G support, and advanced application visibility.
What throughput and performance can I expect?
This platform delivers up to 85 Mbps concurrent routing performance, hardware acceleration for encryption, and full-stack WAN optimization to ensure secure, low-latency connectivity.
Which deployment scenarios suit the ISR 1100 Series?
Ideal for small branches, retail outlets, kiosks, and home offices, the ISR 1100 Series supports secure WAN, LTE failover, and business continuity in distributed environments.
Does it support SD-WAN and cloud security?
Yes. The ISR 1100 Series runs Cisco SD-WAN with policy-based orchestration and integrates with Cisco Umbrella for DNS-layer cloud security and threat intelligence.
What built-in security features are included?
Integrated security includes zone-based firewall, IPsec VPN, advanced malware protection (AMP), intrusion prevention (IPS), and secure boot with runtime software validation.
Which WAN and connectivity interfaces are available?
The router offers two GE WAN ports, one GE LAN port, USB 3.0, and a built-in LTE Cat 12 cellular modem for primary or backup WAN connectivity.
Does the ISR 1100 Series support Power over Ethernet (PoE)?
Yes. Select ISR 1100 models include four PoE+ ports delivering up to 60 W total to power IP phones, cameras, and access points without separate injectors.
What is the IOS XE Universal software image?
The IOS XE Universal image is a single, modular software bundle that supports multiple feature sets—SEC, APP, ROUTE, and DNA—available via on-demand licensing.
How are software features and performance licensed?
Licensing is modular: Performance-on-Demand uplifts routing and VPN throughput; Cisco DNA subscriptions enable SD-WAN, analytics, and automation; and security licenses activate advanced threat protection.
How do I perform the initial setup?
Connect the console port, power on the device, and follow the guided CLI setup wizard or use Cisco Configuration Professional for a browser-based, step-by-step configuration.
Which management and monitoring tools are supported?
Manage the ISR 1100 via Cisco DNA Center, SD-WAN vManage, REST APIs, SNMP, Syslog, NetFlow, and Cisco IOS CLI for centralized provisioning and real-time analytics.
What software maintenance and support options exist?
Cisco offers SMARTnet support with 24/7 access to software updates, bug fixes, security patches, and technical assistance, ensuring continuous network reliability.
What are the power and environmental specifications?
The ISR 1100 consumes up to 30 W, operates from 12–36 V DC or AC, and supports 0–40 °C ambient temperatures with wall-mountable form factor for compact deployments.
How does the ISR 1100 differ from the ISR 4000 Series?
The ISR 1100 is optimized for small sites with lower throughput (up to 85 Mbps) and integrated cellular options, while the ISR 4000 Series delivers higher performance (multi-Gbps) for larger branches.
What expansion options are available?
Two integrated NIM slots support WAN modules (GE, serial, or fiber), and one SM slot accommodates apps and security modules for future growth and service flexibility.
Who should choose the Cisco ISR 1100 Series?
Enterprises seeking secure, cost-effective connectivity for small branches, retail, and remote offices with simplified SD-WAN adoption and unified threat management should select the ISR 1100 Series.