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ProductsCisco C1121-4P= Secure Branch Router
C1121-4P
CISCO Routers

Cisco C1121-4P= Secure Branch Router

Cisco C1121-4P=, ISR 1100 router, Cisco branch router PoE, SD-WAN router Cisco, Gigabit enterprise router, Cisco secure WAN edge router

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🚀 Cisco C1121-4P= ISR 1100 Series 4-Port Gigabit Router with PoE

Factory-Sealed New in Original Box (FSB) with 1 Year Replacement Warranty


🔗 Product Overview

The Cisco C1121-4P= is a compact, high-performance Integrated Services Router (ISR 1000 Series) designed for branch offices, SMB networks, and secure WAN edge deployments.
It integrates routing, switching, security, and optional PoE into a single device—making it ideal for modern distributed networks.
👉 Perfect for branch offices, retail, remote sites, and secure WAN connectivity


🔥 Why This Router Is in High Demand

✔ All-in-one routing + switching + security ✔ Built-in PoE support for endpoints ✔ Designed for SD-WAN & cloud-managed networks
👉 C1121-4P= = secure branch networking + compact design + multi-service integration


⚡ Router vs Switch vs SD-WAN Device

Type
Function
PoE
Use Case
Access Switch
Layer 2/3 switching
Optional
Campus access
Router (C1121-4P=)
Routing + security
Yes
Branch/WAN edge
SD-WAN Appliance
Advanced WAN control
Optional
Multi-site enterprise
👉 C1121-4P= = secure WAN edge + integrated PoE + enterprise routing


🧠 Key Features of Cisco C1121-4P=

  • 4 × Gigabit Ethernet LAN ports (PoE supported)
  • Dual WAN (1 × GE + 1 × GE/SFP combo)
  • PoE / PoE+ support (up to ~66W budget)
  • Cisco IOS XE with SD-WAN capability
  • Integrated security: firewall, VPN, ACL, NAT
  • IPsec VPN support (secure site-to-site connectivity)
  • 4GB DRAM / 4GB Flash memory
  • Fanless, compact desktop form factor
  • Low power consumption (~18–66W)


🏗️ High-Value Application Scenarios

1. Branch Office Networking

  • Secure WAN connectivity
  • Centralized control via SD-WAN

2. Retail & Remote Sites

  • Compact, silent deployment (fanless)
  • Power devices like APs and IP phones via PoE

3. Secure WAN Edge

  • VPN, firewall, and traffic control in one device
  • Reliable dual-WAN failover


💡 Why Choose C1121-4P=?

👉 Traditional routers:
  • No PoE support
  • Limited integration
  • Separate devices required

👉 With C1121-4P=:
✔ Integrated PoE + routing + security ✔ Dual WAN for redundancy ✔ SD-WAN ready architecture ✔ Compact and energy-efficient design
✅ Best for secure branch networking with simplified deployment


🧩 Complete Network Solution

✅ WAN Edge

  • Cisco C1121-4P= Router

✅ LAN Devices

  • IP phones / Wi-Fi APs / cameras (via PoE)

✅ Uplink

  • Fiber or broadband WAN

✅ Architecture

  • Hub-and-Spoke
  • SD-WAN
👉 All-in-one router = simplified branch deployment + lower cost


📊 Technical Specifications

Parameter
Specification
Model
C1121-4P=
LAN Ports
4 × GE (PoE capable)
WAN Ports
1 × GE + 1 × GE/SFP combo
PoE Budget
~66W
Memory
4GB DRAM / 4GB Flash
VPN
IPsec supported
Security
Firewall, ACL, NAT
OS
Cisco IOS XE
Power Consumption
~18–66W
Form Factor
Compact desktop (fanless)
Operating Temp
0°C to +40°C


❓ FAQ

Q1: What is C1121-4P= used for? It is used as a secure branch router with integrated PoE and WAN connectivity.

Q2: Does it support PoE? Yes, it supports PoE/PoE+ for connected devices.

Q3: Can it support SD-WAN? Yes, it runs Cisco IOS XE with SD-WAN capability.

Q4: Is it suitable for small offices? Yes, it is ideal for SMBs, branch offices, and remote deployments.


📈

Cisco C1121-4P=, ISR 1100 router, Cisco branch router PoE, SD-WAN router Cisco, Gigabit enterprise router, Cisco secure WAN edge router


🚀 Get a Quote for Your Network Upgrade

👉 Looking for a secure, all-in-one branch router solution?
✔ Integrated routing + switching + PoE ✔ Secure VPN & firewall features ✔ SD-WAN ready

Contact us now for pricing and availability.