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C1921-ADSL2-M/K9
Cisco 1921 ADSL2 Anx M Bundle, HWIC-1ADSL-M, IP Base Lic
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
C1921-ADSL2-M/K9 is a high-performance, modular enterprise router engineered for integrated services with an ADSL2 interface. It features a flexible architecture that supports multiple power options via an AC power supply, delivers robust WAN and LAN connectivity with a dedicated ADSL2 port and two LAN interfaces, and integrates advanced network services including VPN capabilities and a stateful firewall for secure communications.
Designed to optimize throughput and redundancy for business-critical applications, the C1921-ADSL2-M/K9 offers dynamic routing protocols, integrated voice services, and modular expansion via NIM slots. Its engineered performance, high availability, and scalable modular design make it ideal for small to enterprise networks where secure, reliable, and versatile connectivity is paramount.
C1921-ADSL2-M/K9 price is $850.00, a 49.9% saving from the Cisco list price of $1,695.00. C1921-ADSL2-M/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C1921-ADSL2-M/K9 for additional pricing. Browse the full Router Isr 1900 series or explore all Cisco products.
In a small manufacturing facility located in a rural area lacking fiber or cable, the C1921-ADSL2-M/K9 bundle (HWIC-1ADSL-M, IP Base Lic) delivers ADSL2+ WAN connectivity over existing copper lines. This enables secure VPN tunnels to headquarters and ensures high-availability internet access at a fraction of the cost, boosting productivity and minimizing connectivity expenses.
An enterprise headquarters uses the Cisco 1921 ADSL2 Anx M Bundle with IP Base Lic to configure a secondary ADSL2+ link via HWIC-1ADSL-M alongside its primary MPLS circuit. When the primary link fails, intelligent failover activates within seconds, maintaining critical application uptime and delivering 99.99% network availability for voice, video and data services.
A managed service provider (MSP) deploys the C1921-ADSL2-M/K9 bundle to provision turnkey internet and VPN services for small and medium-sized business (SMB) clients. Pre-configured hardware with the IP Base license and ADSL2+ interface accelerates installation times by 50%, simplifies centralized management and reduces operational costs for both the MSP and its customers.
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| C1921-ADSL2-M/K9 |  C1921-3G-G-SEC/K9 |  C1921-3G-V-K9 |  CISCO1941-HSEC+/K9 |  C1921-3G-V-SEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Fixed | Fixed |
| Built-in Security Features | Firewall | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Encryption | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / VPN |
| Compliance Standards | FCC, CE, RoHS | FCC / CE | FCC, CE | FCC / CE | FCC, CE, ETSI |
| Connectivity Type | Wired | Wired | Wired | Wired / Ethernet | Wired |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100 | 10/100 | 10/100 Ethernet | 10/100 | 10/100 |
| Expansion Slots | NIM | EHWIC | EHWIC | EHWIC | NIM |
| Features | VPN / Firewall / IPv6 Compatible | VPN / Firewall / IPv6 Compatible / MPLS | VPN, IPv6 Compatible, Firewall, Encryption | VPN / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount | Desktop | Desktop | Rack-mount |
| High Availability Support | Supported | Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice | Voice | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4 / IPv6 / MPLS | IPv4, IPv6 | IP / TCP / UDP / OSPF / EIGRP / BGP / RIP / ICMP | OSPF, EIGRP, BGP, RIP, Static Routing |
| Power | 65 W | 65 W | 65 Watt | 55W | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply / Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 1921 Integrated Services Router with ADSL2 (C1921-ADSL2-M/K9) | Cisco 1921 Integrated Services Router (C1921-3G-G-SEC/K9) | Cisco 1921 Integrated Services Router 3G Voice | CISCO1941-HSEC+/K9 | Cisco 1921 Integrated Services Router with 3G, Voice, and Security |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTP/HTTPS, Telnet, SSH, SNMP | SSH / Telnet / SNMP | SSH, Telnet, SNMP | CLI / SNMP / Telnet / SSH | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | EIGRP / OSPF / RIP / BGP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Stacking Capability | No | No | No | No | No |
| Throughput Capacity | 0.05 Gbps | 0.05 Gbps | 75 Mbps | 0.075 Gbps | 0.025 Gbps |
| Use Case | Business / Small Business / Enterprise | Enterprise | Business, Branch Office | Enterprise / Small Business | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN / N/A | IPSec / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN |
| WAN Configuration | WAN | Dual WAN | WAN | Dual WAN | WAN |
| WAN Ports | 1 ADSL2 Port | 2 WAN | 2 WAN Ports | 2 WAN | 2 WAN |
| Wireless Support | No | No | No | No | No |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Perfect for ADSL2+ connections. It performs consistently and provides reliable internet connectivity for our branch offices.
A great solution for ADSL2+ deployments. Easy setup, and the IP Base license offers all the features we need.
Reliable, cost-effective ADSL2+ router. Works flawlessly for our smaller offices that depend on stable broadband connections.
Fast installation and reliable performance for ADSL2+ connections. Perfect for smaller businesses needing stable internet access.
A solid router for ADSL2+ networks. Setup was simple, and performance has been stable without interruptions.
The Cisco 1921 ADSL2 Anx M Bundle (C1921-ADSL2-M/K9) is a fixed-configuration branch router that includes an HWIC-1ADSL-M card and an IP Base license, offering secure WAN connectivity over ADSL2 and ADSL2+ lines.
The bundle features the HWIC-1ADSL-M ADSL2/2+ WAN interface card, enabling data rates up to 24 Mbps downstream and 3.5 Mbps upstream.
The router ships with the Cisco IP Base license, providing advanced IP routing, security, and QoS features suitable for small and medium branch offices.
The Cisco 1921 delivers up to 85 Mbps of aggregate throughput, supporting enterprise-class encryption and simultaneous VPN tunnels without performance degradation.
Yes, you can upgrade to the Security or Advanced Security license via Cisco’s Smart Licensing portal to enable next-generation firewall, IPS, and advanced malware protection.
The HWIC-1ADSL-M card is interoperable with most global ADSL2/2+ service providers; verify line profiles and annex support with your ISP before deployment.
The Cisco 1921 router includes two integrated Gigabit Ethernet LAN ports and two additional Gigabit Ethernet WAN or LAN ports via a switch module.
Yes, it supports up to 50 IPsec VPN tunnels with AES, 3DES, and SHA encryption algorithms, ensuring secure branch-to-hub connectivity.
The router provides hierarchical QoS, traffic shaping, and policing for voice, video, and data prioritization, ensuring predictable application performance.
Use the Cisco IOS CLI or Cisco Configuration Professional: define the interface Dialer, set encapsulation to PPPoA/PPPoE, configure VPI/VCI, and apply ATM map class.
The Cisco 1921 measures 1.73 x 11.85 x 9.25 inches, weighs 4.2 lbs, and requires 100–240V AC (50–60Hz) with a maximum power draw of 35W.
No, the base Cisco 1921 does not include PoE; you must install the optional PoE switch module (SM-ES2-P) to power endpoints over Ethernet.
This bundle includes a limited lifetime hardware warranty and 90 days of Cisco Technical Support; extended SMARTnet contracts are available for 24x7 coverage.
Access detailed configuration guides, command references, and data sheets on Cisco’s official website under the Cisco 1900 Series ISR documentation section.
Built-in security includes Zone-Based Firewall, VPN encryption, NAT, ACLs, MACsec support, and optional intrusion prevention via the Security license upgrade.
Absolutely. The Cisco 1921 with IP Base license and ADSL2 connectivity is optimized for small to medium branch offices requiring secure, high-performance WAN access.
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