Cisco 1000 Series Integrated Services Routers (ISRs) with Cisco IOS XE Software combine Internet access, comprehensive security, and wireless services (LTE Advanced 3.0 wireless WAN and 802.11ac wireless LAN) in a single, high-performance device. The routers are easy to deploy and manage, with separate data and control plane capabilities.
| Platform | Cisco 1000 Series ISR with Cisco IOS XE |
| Interfaces | 4 x 10/100/1000 PoE/PoE+ LAN ports; 1 x GE WAN |
| Security | Integrated firewall, VPN (IPsec), secure boot, Trust Anchor |
| SD-WAN | Cisco SD-WAN ready (DNA/IOS XE) |
| Power | External AC power; PoE+ budget with appropriate PSU |
| Form factor | Compact desktop, rack-mountable with optional kit |
| Routing performance | Enterprise-class routing with hardware crypto acceleration |
| LAN/WAN ports | 4 x GE PoE/PoE+ LAN switch ports; 1 x GE RJ-45 WAN (configurable) |
| PoE capability | IEEE 802.3af/at (PoE/PoE+) on LAN ports; total budget dependent on PSU |
| Software/OS | Cisco IOS XE; support for traditional and SD-WAN (Viptela) |
| Security features | Zone-Based Firewall, IPsec VPN, DMVPN, GETVPN, URL filtering (Umbrella) |
| Services/visibility | Application visibility (NBAR2), advanced QoS, SNMP/NetFlow/telemetry |
| High availability | VRRP/HSRP, dual WAN designs supported via configurable ports |
| Management | RJ-45 console, mini-USB console, USB 3.0 for storage, web UI/CLI/NETCONF |
| Optional connectivity | LTE/cellular available on separate LTE-enabled SKUs in the 1000 ISR family |
| Power and environment | External AC adapter; desktop operation; typical office temperature range |
Yes, the Cisco C1121-4P Router is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This C1121-4P is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The C1121-4P comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the C1121-4P from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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