Cisco C1111-4P – Secure, Compact Branch Connectivity for the Modern Edge
The Cisco C1111-4P is a compact, fixed-configuration router from the Cisco 1100 Series Integrated Services Routers (ISR 1000), purpose-built for small branch offices, retail sites, and managed service deployments. It combines routing, integrated security, and dual Gigabit Ethernet WAN interfaces in a fanless, space-saving chassis. Running Cisco IOS XE — or controller-managed IOS XE SD-WAN — it delivers enterprise-grade VPN, firewall, and application-aware routing at the network edge. For resellers, ISPs, and integrators, it is a reliable, standardized platform for rolling out secure connectivity across many locations.
Key Features & Benefits
- Dual GE WAN with fiber option – One GE copper port plus one GE copper/SFP combo port let you build link redundancy or drop in fiber uplinks without extra hardware.
- Enterprise security built in – IPsec VPN, zone-based firewall, and application-aware routing run natively on IOS XE, so each branch is protected without a separate appliance.
- SD-WAN ready – Deploy in autonomous IOS XE or controller-managed IOS XE SD-WAN mode to centralize policy and cut branch turn-up time.
- Strong encrypted throughput – Up to 679 Mbps of encrypted throughput (single tunnel, IMIX) keeps VPN-heavy branch traffic moving.
- Compact and fanless – A silent, shelf-friendly chassis with 4 GB DRAM / 4 GB flash and USB 3.0 fits closets and retail counters.
Technical Specifications
| Specification | Details |
|---|---|
| Model / Part Number | C1111-4P |
| Brand | Cisco |
| Product Line | 1100 Series Integrated Services Router (ISR 1000) |
| WAN Interfaces | 2x Gigabit Ethernet (1x GE copper + 1x GE combo copper/SFP) |
| LAN Interfaces | 4x Gigabit Ethernet (copper) |
| Max Encrypted Throughput | Up to 679 Mbps (single tunnel, IMIX) |
| DRAM | 4 GB |
| Flash Memory | 4 GB |
| PoE / PoE+ | Optional upgrade (2 PoE / 1 PoE+ on the 4 GE LAN ports) |
| Console Port | Micro-USB / RJ-45 |
| USB Port | 1x USB 3.0 Type A |
| Operating System | Cisco IOS XE / IOS XE SD-WAN (min. 16.6.1) |
| Dimensions (H x W x D) | 1.75 x 12.70 x 9.03 in (4.45 x 32.26 x 22.94 cm) |
| Weight | 4.37 lb (1.98 kg) |
| Max Power Consumption | 18W (excluding external PS loss) |
| Power Supply | External AC 100-240 VAC, 50-60 Hz, 12 VDC, 66W max |
| Operating Temperature | 0 to 40 C (32 to 104 F) |
| Humidity | 10% to 85% RH (noncondensing) |
| Condition | Refurbished |
Download the official Cisco 1000 Series ISR datasheet
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