The Cisco 900 Series Integrated Services Routers (ISRs) offer consistent application performance, multilevel security measures, feature consolidation for cost savings, unified control of wired and wireless networks, and remote configuration and management capabilities. Managed Ethernet and wireless LTE WAN services can be provided to customers by service providers deploying them as Customer Premises Equipment (CPE) at their locations. The C931-4P router is a Cisco 931 Gigabit Ethernet security
| WAN | 1x 10/100/1000 RJ45 WAN port |
| LAN | 4x 10/100/1000 RJ45 PoE LAN ports (802.3af) |
| Performance | Up to ~500 Mbps aggregate routed throughput (license/features dependent) |
| VPN | Hardware-accelerated IPsec; DMVPN/FlexVPN support (hundreds of Mbps) |
| Security | Zone-Based Firewall, ACLs, NAT, DHCP, IPv6 |
| OS/Management | Cisco IOS; CLI, WebUI, Cisco DNA Center monitoring |
| PoE | 802.3af PoE on LAN ports; budget suitable for small branch APs/phones |
| Dynamic routing | OSPF, EIGRP, BGP (image/license dependent), RIP |
| SD-WAN readiness | Support for policy-based routing and app visibility; DNA licenses enable advanced features |
| Application visibility | NBAR2 application recognition and QoS |
| Resiliency | WAN failover via tracking and LTE USB dongles (optional) |
| Interfaces (aux) | USB, console (RJ45/USB), auxiliary management port |
| Security integrations | Cisco Umbrella (DNS security), TrustSec (SGT) where supported |
| VPN features | IPsec site-to-site/remote access, DMVPN/FlexVPN |
| Form factor | Compact, fanless desktop; wall/rack-mount kits available |
| Operating conditions | 0–40 °C; non-condensing humidity |
Yes, the Cisco C931-4P 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 C931-4P 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 C931-4P 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 C931-4P 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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