Cisco C1121X-8P 8-Port Gigabit Ethernet ISR Router with Dual WAN, 8GB Memory & SD-WAN

Overview

The Cisco C1121X-8P is an enterprise-class Integrated Services Router from the Cisco 1100 Series designed for secure, reliable and high-performance branch-office networking. It combines Gigabit Ethernet LAN connectivity, flexible WAN interfaces, advanced routing, security and Cisco IOS XE software in a compact platform.

The router provides 8 Gigabit Ethernet LAN ports and 2 Gigabit Ethernet WAN interfaces, including one RJ-45/SFP combination interface and one RJ-45 Gigabit Ethernet interface. This configuration allows organizations to connect multiple local devices while maintaining flexible WAN connectivity.

The X designation identifies the higher-memory configuration with 8GB DRAM and 8GB Flash, providing additional resources for application-hosting capabilities and advanced enterprise deployments.

8-Port Gigabit Ethernet LAN Connectivity

The C1121X-8P features 8 Gigabit Ethernet LAN ports for connecting computers, IP phones, access points, printers, cameras, switches and other network devices. The high-density LAN configuration makes the router suitable for branch offices and distributed enterprise environments.

Dual Gigabit Ethernet WAN Connectivity

Cisco C1121X-8P provides 2 Gigabit Ethernet WAN interfaces for flexible connectivity to service providers, aggregation networks and enterprise WAN infrastructure. One WAN interface combines RJ-45 copper and SFP connectivity, while the second WAN interface provides RJ-45 Gigabit Ethernet connectivity.

• 1 × Gigabit Ethernet RJ-45/SFP combo WAN interface
• 1 × Gigabit Ethernet RJ-45 WAN interface
• Flexible copper and fiber WAN connectivity
• Suitable for primary and secondary WAN connections
• Designed for enterprise branch and distributed-network deployments

8GB Memory for Application Hosting

The C1121X-8P is equipped with 8GB DRAM and 8GB Flash. The X-series memory configuration is designed to provide additional resources for application-hosting capabilities and advanced software deployments.

Cisco IOS XE and SD-WAN

Cisco C1121X-8P runs Cisco IOS XE, providing an integrated software platform for routing, security, network management and SD-WAN deployments. Cisco IOS XE enables organizations to implement centralized policies and modern branch-network architectures.

The platform supports Cisco SD-WAN functionality with an SD-WAN IPsec throughput of up to 1889 Mbps for 1400-byte packets and 465 Mbps for IMIX traffic under the documented test conditions.

• Cisco IOS XE operating system
• Cisco SD-WAN support
• Secure IPsec connectivity
• Enterprise routing and network-management capabilities
• Up to 200 SD-WAN overlay tunnels

Optional PoE and PoE+ Capability

The C1121X-8P platform supports optional Power over Ethernet capabilities, allowing compatible LAN ports to deliver both data and electrical power to connected devices such as IP phones, wireless access points and other network endpoints.

• Optional support for up to 4 PoE ports
• Optional support for up to 2 PoE+ ports
• Suitable for IP phones and wireless access points
• 150W power supply required for optional PoE/PoE+ configuration

Enterprise Security and Routing

Cisco C1121X-8P is designed to provide secure branch connectivity with enterprise routing, VPN and access-control capabilities. It supports IPsec-based secure communications and advanced Cisco IOS XE networking features for distributed business environments.

• IPsec VPN connectivity
• Access Control Lists (ACLs)
• IPv4 and IPv6 routing
• Network Address Translation (NAT)
• Virtual Routing and Forwarding (VRF)
• Enterprise branch security and network management

Management and Console Interfaces

The router provides convenient management and console connectivity for configuration, troubleshooting and network administration. A Micro-USB console interface is available on the platform, along with USB connectivity for supported management and service functions.

• Micro-USB console interface
• USB 3.0 Type-A interface
• Cisco IOS XE CLI management
• Enterprise network monitoring and administration

Ideal Applications

• Enterprise branch offices
• Small and medium business networks
• Retail and distributed business locations
• Secure SD-WAN deployments
• Corporate WAN connectivity
• IP phone and wireless access point deployments with optional PoE
• Application-hosting enabled branch environments
• Remote and distributed enterprise networks

Cisco C1121X-8P for Modern Branch Networking

With 8 Gigabit Ethernet LAN ports, dual Gigabit Ethernet WAN connectivity, 8GB of DRAM, 8GB of Flash, optional PoE/PoE+ and Cisco IOS XE software, the Cisco C1121X-8P provides a flexible platform for modern enterprise branch networks.

Its higher-memory X-series configuration provides additional capacity for application-hosting requirements, while Cisco SD-WAN support enables organizations to deploy secure and centrally managed WAN architectures.