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Name:
C1-CISCO1921/K9
- Description:
- Cisco ONE - ISR 1921
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$1,195.00
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$753.00
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C1-CISCO1921/K9
Cisco ONE - ISR 1921
$1,195.00
$753.00
47 in Global Warehouse
$753.00
37% off
TRUSTED, TRIED, PROVEN
C1-CISCO1921/K9 Overview
C1-CISCO1921/K9 is a fixed-architecture integrated services router that delivers secure data, voice, and video connectivity for small business and branch office deployments. It offers dual WAN ports and a four-port 10/100 Ethernet LAN switch, providing reliable network connectivity and performance for diverse use cases.
C1-CISCO1921/K9 incorporates integrated voice services, robust VPN capabilities (including IPSec, GRE, and DMVPN), and modular expansion via EHWIC slots. With efficient power options, built-in firewall and intrusion prevention features, and throughput optimized for branch environments, this router is well suited for secure, scalable connectivity without redundancy features.
What is the price of C1-CISCO1921/K9?
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C1-CISCO1921/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / GRE / DMVPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6 |
| Remote Management | Telnet, SSH, SNMP |
| Compliance Standards | FCC, CE, RoHS |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / VoIP / IPv6 Compatible / Firewall |
| Use Case | Small Business |
| Management | Managed |
| Form Factor | Desktop |
| Integrated Services | Voice |
| High Availability Support | Not Supported |
| Safety | UL, cUL |
| EMC | FCC / CE |
| Telecom | TIA/EIA |
| Throughput Capacity | 0.075 |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 65 |
| Device Type | Router |
| Product Name | C1-CISCO1921/K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C1-CISCO1921/K9 Use Case
Secure Site-to-Site VPN for Branch Office Networking
In a mid-sized enterprise with 20 distributed branches, the C1-CISCO1921/K9-Cisco ONE - ISR 1921 establishes scalable DMVPN tunnels over broadband, enabling encrypted site-to-site connectivity with centralized policy and key management. The solution reduces MPLS costs, delivers high-throughput AES-256 encryption and simplifies network orchestration for consistent WAN performance.
High-Performance Voice and Video Prioritization
When deploying Unified Communications across multiple remote sites, the C1-CISCO1921/K9-Cisco ONE - ISR 1921 leverages integrated Quality of Service and Cisco ONE application licensing to classify, queue and prioritize VoIP and video traffic. This ensures sub-20 ms latency, zero packet loss on voice streams and crystal-clear collaboration, boosting customer satisfaction and operational efficiency.
Advanced Security with Integrated Threat Defense
For SMBs requiring enterprise-grade protection, the C1-CISCO1921/K9-Cisco ONE - ISR 1921 combines Cisco Firepower NGIPS, URL filtering and AMP malware defense in a single platform. It delivers real-time intrusion prevention, reduces vulnerability exposure and maintains sub-millisecond inspection latency, ensuring regulatory compliance and uninterrupted business continuity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | 3G | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / VPN | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE, ETSI | FCC, CE, RoHS | FCC / CE | FCC / CE | IEEE / FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired / Wireless / Ethernet |
| Depth | 11.1 inches | N/A | 12.5 inches | 11.5 inches | 14.4 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC Class B | FCC / CE | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | NIM | EHWIC | EHWIC | EHWIC | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible / Integrated Services | VPN / Firewall / IPv6 Compatible / MPLS | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Desktop | Desktop / Rack-mount | Rack-mount | Desktop |
| Height | 1.7 inches | N/A | 1.73 inches | 1.75 inches | 1.73 inches |
| High Availability Support | Not Supported | Not Supported | Not Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice | Voice / Video / WAN Optimization | Voice | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | N/A | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 512 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | OSPF, EIGRP, BGP, RIP, Static Routing | IPv4, IPv6 | IPv4 / IPv6 | IPv4 / IPv6 / MPLS | IPv4 / IPv6 / TCP / UDP / ICMP |
| Power | 65 Watt | 65 | 54 W | 65 W | 65W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant Power Supply | AC Power Supply |
| Product Name | Cisco 1921 Integrated Services Router with 3G, Voice, and Security | C1-CISCO1921/K9 | C1-CISCO1941/K9 Cisco 1941 Integrated Services Router | Cisco 1921 Integrated Services Router (C1921-3G-G-SEC/K9) | CISCO1941W-E/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP / HTTP / HTTPS | SSH / Telnet / SNMP | CLI / SNMP / Cisco SDM |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | EIGRP / OSPF / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | IEC 60950 | UL, cUL | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | N/A | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | TIA/EIA | N/A | N/A | N/A |
| Throughput Capacity | 0.025 Gbps | 0.075 | N/A | 0.05 Gbps | 0.05 Gbps |
| Use Case | Enterprise | Small Business | Enterprise / Business | Enterprise | Business |
| VPN Support | IPSec / SSL VPN | IPSec / GRE / DMVPN | IPSec VPN / SSL VPN / DMVPN | IPSec / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN |
| WAN Configuration | WAN | Dual WAN | WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 7 lbs | N/A | 11.8 lbs | 12 lbs | 11 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | WiFi 4 |
| Width | 17.3 inches | N/A | 17.1 inches | 17.3 inches | 17.5 inches |
| Wireless Support | No | No | No | No | Yes |
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Questions & Answers
Q
What is the Cisco ONE ISR 1921 (SKU C1-CISCO1921/K9)?
A
The Cisco ONE ISR 1921 (SKU C1-CISCO1921/K9) is an integrated services router delivering enterprise-grade routing, security, and application performance bundled with a Cisco ONE software subscription.
Q
What routing throughput does the Cisco ISR 1921 deliver?
A
The Cisco ISR 1921 delivers up to 50 Mbps of throughput by default and can be scaled to 100 Mbps with a Performance on Demand license.
Q
Which network interfaces are available on the Cisco ISR 1921?
A
The Cisco ISR 1921 includes two onboard Gigabit Ethernet WAN ports, two Gigabit Ethernet LAN ports, plus slots for NIM and SM expansion modules.
Q
Does the Cisco ISR 1921 support Power over Ethernet (PoE)?
A
The base Cisco ISR 1921 does not include PoE, but you can enable PoE via an optional Universal PoE Network Interface Module.
Q
What security features are built into Cisco ONE ISR 1921?
A
Cisco ONE ISR 1921 features hardware-accelerated VPN, stateful firewall, intrusion prevention, URL filtering, and Advanced Malware Protection.
Q
How does Cisco ONE simplify licensing for the ISR 1921?
A
Cisco ONE offers a single subscription for the ISR 1921 that unifies routing, security, and application-optimization entitlements in one flexible license.
Q
What software capabilities are included in the Cisco ONE subscription?
A
The Cisco ONE subscription provides access to IOS XE software features such as advanced routing, application visibility, WAN optimization, and network automation.
Q
Can I enable SD-WAN on Cisco ONE ISR 1921?
A
Yes. The Cisco ONE ISR 1921 supports Cisco SD-WAN on IOS XE, enabling overlay management, policy-based routing, and direct cloud connectivity.
Q
Does the Cisco ISR 1921 support network virtualization?
A
The ISR 1921 supports network function virtualization (NFV) on IOS XE, allowing you to host virtual network functions like virtual firewalls and load balancers.
Q
How do I manage the Cisco ONE – ISR 1921?
A
You can manage the ISR 1921 via Cisco DNA Center, Cisco SD-WAN vManage, or the native CLI and REST APIs in IOS XE.
Q
Is the Cisco ISR 1921 rack-mountable?
A
Yes. The Cisco ISR 1921 fits a 19-inch rack using an optional rack-mount kit for secure installation in network closets.
Q
What are the power and environmental requirements for Cisco ISR 1921?
A
The ISR 1921 accepts 100–240 VAC auto-ranging input, consumes up to 45 W, and operates in temperatures from 0 °C to 45 °C.
Q
What warranty and support options are available for Cisco ONE ISR 1921?
A
The router includes a limited lifetime hardware warranty, 90 days of technical support, and optional Cisco Smart Net Total Care services for 24/7 coverage.
Q
What are the recommended deployment scenarios for Cisco ONE ISR 1921?
A
The ISR 1921 is ideal for small branch offices, retail locations, and remote sites requiring secure connectivity, WAN optimization, and application performance.
Q
How can I upgrade or scale performance on the Cisco ISR 1921?
A
You can deploy Performance on Demand licenses, install additional NIM/SM modules, or increase memory to scale throughput and feature capacity.
Q
How do I purchase and license the Cisco ONE ISR 1921?
A
Order SKU C1-CISCO1921/K9 from an authorized Cisco reseller; it includes the ISR 1921 hardware and Cisco ONE subscription license.
Q
How do I get software updates and maintenance for Cisco ONE ISR 1921?
A
Use your Cisco Smart Account to access the Software Download portal and manage Smart Licensing for IOS XE updates and security patches.
