C1121-4P Overview
The Cisco C1121-4P is a feature-rich, high-performance router designed for enterprise-level applications. As part of the Cisco ISR 1100 series, this router delivers robust network management capabilities, exceptional security features, and advanced routing functionalities. Ideal for businesses that require reliable and secure connectivity, the C1121-4P ensures seamless data transfer and efficient network operations. Leveraging the consistent performance and trusted reliability that the Cisco brand is known for, the ISR 1100 series routers such as this model are specifically engineered to meet the demanding requirements of today’s digital environments.
Product Highlights
Product Applications Scenarios
Product Features Comparison
| Model | Brand | Max Throughput | Ethernet Ports | VLAN Support | Security Features |
|---|---|---|---|---|---|
| C1121-4P | Cisco | 1 Gbps | 4 | 12 | Advanced |
| C1111-4P | Cisco | 500 Mbps | 4 | 10 | Basic |
| C1109-2PLTE | Cisco | 300 Mbps | 2 | 8 | Basic |
Optional Add-ons
| Model Number | Description |
|---|---|
| ISR-PSU-75W | 75W Power Supply for Cisco ISR 1100 Series |
| ISR-FAN-MODULE | Cooling Fan Module for Cisco ISR 1100 Series |
| ISR-RACK-MOUNT | Rack Mount Kit for Cisco ISR 1100 Series |
C1121-4P Specification
| Model | C1121-4P | Brand | Cisco |
| Form Factor | Desktop, Rack-mountable | Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet | Routing Protocols | BGP, OSPF, EIGRP, RIP |
| Ports | 4 x 10/100/1000 (PoE+) | Memory | 4 GB (installed) / 8 GB (max) |
| Flash Memory | 4 GB (installed) / 8 GB (max) | Dimensions (W x D x H) | 32.5 x 24.2 x 4.4 cm |
| Power Supply | Internal Power Supply | Max PoE Budget | 120W |


























