United States$5,000,000+
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Kevin Marshall Jr
5
Compact ISR router with solid performance. Easy to deploy for branch connectivity.
C1121-4P
ISR 1100 4P DUAL GE SFP ROUTER
FEATURED DEAL
Name:
C1121-4P
- Description:
- ISR 1100 4P DUAL GE SFP ROUTER
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728357272
- Condition:
- Warranty:
- 3
- List Price:
$1,058.00
- Price:
$580.0045.2% off
Quantity:
1
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C1121-4P Overview
C1121-4P is a fixed enterprise router built with robust design and integrated services that include voice and video, offering secure VPN features such as IPSec and SSL VPN to support seamless remote connectivity. It is designed with a single WAN port and four LAN ports that support 10/100/1000 Ethernet technology, along with advanced remote management capabilities via SSH, HTTPS, and SNMP.
Featuring an AC power supply and inherent high availability support, the C1121-4P delivers reliable throughput capacity of 250 Mbps while ensuring performance and redundancy. Its modular form factors and integrated PoE abilities make it an ideal choice for enterprise and business use cases where enhanced security, QoS features, and built-in firewall, intrusion prevention, and malware protection are critical.
C1121-4P price is $580.00, a 45.2% saving from the Cisco list price of $1,058.00. C1121-4P is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C1121-4P for additional pricing. Browse the full Router Isr 1100 series or explore all Cisco products.
C1121-4P Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / Static Routing
- Broadband
- N/A
- Architecture
- Fixed
- WAN Configuration
- WAN
- WAN Ports
- 1 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100/1000
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4 / IPv6
- Remote Management
- SSH / HTTPS / SNMP
- Compliance Standards
- FCC / CE
- Wireless Support
- No
- Speed/Capacity
- Gigabit
- Firewall Features
- Yes
- Features
- VPN / IPv6 Compatible / Firewall / PoE
- Use Case
- Enterprise / Business
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice / Video
- High Availability Support
- Supported
- Safety
- UL Listed
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 250 Mbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention / Malware Protection
- Expansion Slots
- N/A
- Modular Slots Available
- N/A
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 512 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45
- Power
- 30 W
- Device Type
- Router
- Product Name
- C1121-4P Integrated Services Router
- Height
- 1.7 inches
- Width
- 9.0 inches
- Depth
- 7.6 inches
- Weight
- 7 lbs
C1121-4P Use Case
Secure Branch Office Connectivity with C1121-4P-ISR 1100 4P DUAL GE SFP ROUTER
In a multi-site enterprise, the C1121-4P-ISR 1100 4P DUAL GE SFP ROUTER delivers encrypted DMVPN tunnels over dual GE SFP links to secure voice, video and data between HQ and remote branches. Benefit: Achieve sub-millisecond failover, centralized policy enforcement and 99.99% uptime for uninterrupted business continuity.
High-Performance Retail Edge Deployment with Integrated PoE and Fiber Uplink
A national retailer leverages the C1121-4P-ISR 1100 4P DUAL GE SFP ROUTER to power IoT sensors, digital signage and Wi-Fi access points via four PoE ports while aggregating traffic over a GE SFP fiber uplink. Benefit: Simplified network footprint, faster checkout experiences and scalable roll-out across hundreds of stores.
Industrial SCADA Monitoring over Resilient Fiber and Ethernet
In manufacturing plants and energy substations, the C1121-4P-ISR 1100 4P DUAL GE SFP ROUTER connects SCADA controllers and IP cameras on PoE ports with redundant fiber uplink on dual GE SFP interfaces. Benefit: Secure, low-latency telemetry, remote diagnostics and rapid deployment in harsh environments.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C1121-4P |  C1111-8PLTELAWH |  C1113-8PM |  C1111-8PLTELAWA |  C1109-2PLTEGB | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Modular | Fixed | Fixed |
| Broadband | N/A | LTE | Fiber Optic | LTE | LTE |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC / CE | IEEE 802.3, IEEE 802.1Q | RoHS, FCC, CE | FCC / CE / RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 7.6 inches | N/A | 18 inches | 16.9 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC / CE | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | N/A | SFP+ | NIM | NIM, SFP+ | SFP+ |
| Features | VPN / IPv6 Compatible / Firewall / PoE | VPN / IPv6 Compatible / Firewall / MPLS | VPN / Firewall / POE / IPv6 Compatible | VPN, Firewall, IPv6 Compatible, POE | VPN / Firewall / Integrated LTE |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 512 MB | 512 MB | 256 MB |
| Form Factor | Desktop | Desktop | Rack-mount | Rack-mount | Desktop |
| Height | 1.7 inches | N/A | 1.75 inches | 1.75 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video | Voice / WAN Optimization | Voice, Video | Voice |
| Interface Ports | RJ-45 | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP+ | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 1 GB | 2 GB | 4 GB | 1 GB |
| Modular Slots Available | N/A | N/A | 3+ Slots | N/A | N/A |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 |
| Power | 30 W | 65 Watt | 65 Watt | 65 Watt | 45 Watt |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | Dual AC/DC with Redundancy |
| Product Name | C1121-4P Integrated Services Router | Cisco C1111-8PLTELAWH Integrated Services Router | C1113-8PM | Cisco C1111-8PLTELAWA Integrated Services Router | C1109-2PLTEGB |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / HTTPS / SNMP | CLI / SNMP / NetConf | SSH / Telnet / SNMP | SSH, HTTPS, SNMP | SSH / HTTPS / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / Static Routing |
| Safety | UL Listed | N/A | FCC / CE | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | Yes | Yes | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 250 Mbps | 1.2 Gbps | 1 Gbps | 2 Gbps | 1 Gbps |
| Use Case | Enterprise / Business | Enterprise | Enterprise | Enterprise | Enterprise / Industrial |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | 1 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 7 lbs | N/A | 15 lbs | 10 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 9.0 inches | N/A | 17.5 inches | 16.9 inches | N/A |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
R
Ryan Whitfield Jr
4
Reliable routing and WAN performance. Meets small office needs well.
S
Scott Bennett Jr
5
Cisco ISR 1100 series stability with simple management.
O
Oliver Grant Jr
3
Good balance of features and performance for branches.
D
Derek Lawson Jr
4
Straightforward setup and dependable operation.
Questions & Answers
What are the key features of the Cisco ISR 1100 4P Dual GE SFP Router (C1121-4P)?
The Cisco ISR 1100 4P Dual GE SFP Router (C1121-4P) delivers four Gigabit Ethernet LAN ports with PoE, two dual-rate GE SFP WAN slots, integrated security, up to 50 Mbps aggregate throughput and Cisco IOS XE software.
What is the maximum throughput of the C1121-4P router?
The C1121-4P provides up to 50 Mbps aggregate throughput with the default performance license and can be upgraded to 100 Mbps via an optional throughput license.
How many LAN and WAN interfaces does the ISR 1100 4P offer?
The router includes 4× 10/100/1000 PoE-capable LAN ports and 2× dual-rate GE SFP WAN slots, plus an additional onboard 10/100/1000 uplink port for flexible deployment.
Does the C1121-4P support dual GE SFP ports for fiber connectivity?
Yes, the ISR 1100 4P features two dual-rate GE SFP slots for single-mode or multimode fiber uplinks, enabling high-availability and extended-reach connections.