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Patrick O'Brien
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Reliable ADSL modem integration. Worked well in smaller branch environments.
C2801-ADSL2-M/K9
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2801 bundle, HWIC-1ADSL-M, SP Svcs, 64MB CF/192MB DR
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C2801-ADSL2-M/K9
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- 2801 bundle, HWIC-1ADSL-M, SP Svcs, 64MB CF/192MB DR
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C2801-ADSL2-M/K9 Overview
C2801-ADSL2-M/K9 is a modular enterprise router designed for branch offices and small to medium business environments, featuring an integrated ADSL2 modem that provides flexible broadband connectivity alongside dual 10/100 Ethernet LAN interfaces and a dedicated WAN port. This device delivers a robust architecture with multiple expansion slots for NIM or EHWIC modules, while offering support for key routing protocols, advanced VPN capabilities including IPSec and SSL VPN, and built-in firewall security for enhanced network protection.
With power supplied by an AC adapter and optional redundancy, the router delivers reliable performance and throughput capacity up to 75 Mbps. Its integrated services for voice, security, and WAN optimization combined with remote management options via Telnet, SSH, SNMP, and HTTP make it an ideal fit for businesses requiring a secure, scalable, and high-availability routing solution.
C2801-ADSL2-M/K9 price is is available on request. Get immediate quote.
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C2801-ADSL2-M/K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- DSL
- Architecture
- Modular
- WAN Configuration
- WAN
- WAN Ports
- 1 WAN
- LAN Ports
- 2 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6
- Remote Management
- Telnet, SSH, SNMP, HTTP
- Compliance Standards
- RoHS, FCC, CE
- Wireless Support
- No
- Speed/Capacity
- Fast Ethernet
- Firewall Features
- Yes
- Features
- VPN, Firewall, Integrated Services, Modular Expansion, DSL, Security
- Use Case
- Business
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice / Security / WAN Optimization
- High Availability Support
- Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 75 Mbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention, ACL
- Expansion Slots
- EHWIC / NIM
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45
- Power
- 65 W
- Device Type
- Router
- Product Name
- Cisco 2801 ADSL2 Integrated Services Router
- Height
- 1.73 inches
- Width
- 17.1 inches
- Depth
- 16.3 inches
- Weight
- 19.2 lbs
C2801-ADSL2-M/K9 Use Case
Enterprise-Grade Site-to-Site VPN for Small Branch Offices
A retail chain deploys the Cisco C2801-ADSL2-M/K9 bundle with HWIC-1ADSL-M and SP Services in 50+ outlets to establish IPSec site-to-site VPN over ADSL2. With 64 MB CF and 192 MB DR, the router runs advanced IOS security, QoS and routing. Outcome: cost-effective, encrypted connectivity to the corporate data center, PCI-compliant transactions and centralized management with sub-20 ms latency.
Rapid Remote Teleworker Onboarding and Secure Access
A financial services firm equips home-based advisors with the C2801-ADSL2-M/K9, HWIC-1ADSL-M and SP Services to provide high-speed ADSL2 access and dynamic IP management. The 64 MB CF/192 MB DR hardware supports SSL VPN, firewall and NAT services in a compact form factor. Outcome: sub-hour deployment, secure encrypted tunnels to HQ, consistent performance and reduced support calls.
High-Availability Business Continuity in Remote Field Offices
A regional engineering office uses the C2801-ADSL2-M/K9 bundle with HWIC-1ADSL-M and SP Services as the primary ADSL2 link and configures automatic failover to a secondary 3G/DSL line. The 64 MB CF and 192 MB DR ensure IOS redundancy features and rapid configuration rollback. Outcome: 99.9% uptime, seamless WAN failover, uninterrupted project workflows and minimized service-level breaches.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| C2801-ADSL2-M/K9 |  C2811-VSEC-CCME/K9 |  C2801-10UC/K9 |  C2851-VSEC/K9 |  CISCO2811 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Fixed | Modular | Modular |
| Broadband | DSL | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, ACL | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection, VPN | Firewall / Intrusion Prevention |
| Compliance Standards | RoHS, FCC, CE | FCC, CE | FCC / CE / RoHS | FCC, CE, UL | FCC / CE / IC |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16.3 inches | 14.1 inches | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC | EHWIC | EHWIC | EHWIC / NIM |
| Features | VPN, Firewall, Integrated Services, Modular Expansion, DSL, Security | VPN / IPv6 Compatible / Firewall / Voice | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, IPv6 Compatible, Modular, Integrated Security | VPN / IPv6 Compatible / Firewall / VoIP |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Chassis | Desktop | Rack-mount | Rack-mount |
| Height | 1.73 inches | 4.5 inches | N/A | N/A | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Security / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video | Voice, Data, Security | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45, WIC | RJ-45 |
| LAN Ports | 2 LAN Ports | Modular LAN | N/A | 4 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6 | IP, TCP, UDP, ICMP | IP / IPX / IPv6 | IPv4, IPv6 | IPv4 / IPv6 |
| Power | 65 W | 65 Watt | 65 Watt | 150 Watts | 150W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco 2801 ADSL2 Integrated Services Router | Cisco C2811-VSEC-CCME/K9 Integrated Services Router | Cisco 2801 Integrated Services Router | Cisco C2851-VSEC/K9 Integrated Services Router | Cisco 2811 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP, HTTP | Telnet, SSH, SNMP | Telnet / SSH / SNMP | HTTP, SSH, Telnet, SNMP | CLI / Telnet / SNMP / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Fast Ethernet | N/A | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 75 Mbps | N/A | 0.075 Gbps | 100 Mbps | 30 Mbps |
| Use Case | Business | Enterprise | Business | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec VPN | IPSec / DMVPN |
| WAN Configuration | WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | Modular WAN | 2 WAN | 2 WAN | Modular WAN |
| Weight | 19.2 lbs | 15 lbs | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.1 inches | 17.2 inches | N/A | N/A | N/A |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
N
Neil Robertson
5
Consistent ADSL performance with minimal configuration effort.
G
Graham Lewis
4
Good option for markets relying on ADSL connectivity. Stable operation.
I
Ian McCarthy
5
Cisco quality router for ADSL links. Meets expectations.
C
Colin Matthews
5
Dependable connectivity solution for branch offices.
Questions & Answers
What is the Cisco 2801-ADSL2-M/K9 bundle?
The Cisco 2801-ADSL2-M/K9 bundle is an integrated router solution comprising a Cisco 2801 ISR, HWIC-1ADSL-M module, service provider certifications, 64 MB CompactFlash, and 192 MB DRAM.
What components are included in the C2801-ADSL2-M/K9 package?
It includes a Cisco 2801 Integrated Services Router, an HWIC-1ADSL-M ADSL2 WAN module, SP certifications, 64 MB CompactFlash for storage, and 192 MB DRAM for enhanced performance.
What are the memory specifications of the Cisco 2801-ADSL2-M/K9 bundle?
The bundle features 64 MB CompactFlash for the Cisco IOS image and configurations plus 192 MB DRAM to support routing processes and advanced applications.
Which WAN connectivity options does the C2801-ADSL2-M/K9 support?
It supports ADSL2/ADSL2+ via the HWIC-1ADSL-M module, delivering up to 24 Mbps downstream and 3.5 Mbps upstream over a single copper pair.
What service provider certifications come with this bundle?
The router is certified by major service providers for ADSL2/ADSL2+ deployments, ensuring interoperability and compliance with global broadband standards.
What performance can I expect from the Cisco 2801-ADSL2-M/K9?
The Cisco 2801 delivers up to 50,000 packets per second packet forwarding, advanced QoS, and hardware encryption acceleration ideal for SMB WAN edge deployments.
Which HWIC modules are compatible with the Cisco 2801?
The 2801 supports HWIC-1ADSL-M, HWIC-1FE, HWIC-4ESW, ISDN BRI modules, and others, offering flexible WAN and LAN connectivity options.
How does the HWIC-1ADSL-M module enhance the Cisco 2801?
The HWIC-1ADSL-M module provides native ADSL2/ADSL2+ broadband connectivity without an external modem, reducing hardware complexity and improving reliability.
What security features are included in this bundle?
It offers integrated firewall, IPsec VPN acceleration, Cisco IOS Zone-Based Firewall, and secure management protocols to safeguard data and networks.
Can the C2801-ADSL2-M/K9 support VPN services?
Yes, it supports site-to-site and remote-access IPsec VPNs, GRE tunnels, Dynamic Multipoint VPN (DMVPN), and secure desktop VPN clients.
How do I install the HWIC-1ADSL-M module?
Power off the router, insert the HWIC-1ADSL-M into an available HWIC slot, secure with screws, power on, and the module will auto-initialize during boot.
What is the power consumption of the Cisco 2801-ADSL2-M/K9?
Typical power consumption is around 30 W for the router plus approximately 5 W for the HWIC-1ADSL-M module, supporting both AC and optional DC input.
Is the Cisco 2801-ADSL2-M/K9 bundle suitable for small to medium businesses?
Yes, it delivers enterprise-class routing, security, and ADSL2 WAN connectivity in a compact form factor tailored for SMB environments.
What warranty and support options are available?
It includes a limited lifetime hardware warranty and optional Cisco SMARTnet service for 24x7 technical support, software updates, and expedited hardware replacement.
How do I perform a software upgrade on the Cisco 2801?
Copy the new Cisco IOS Universal image to CompactFlash via TFTP or USB, update the boot variable in NVRAM, and reload the router to complete the upgrade.
Where can I purchase the Cisco 2801-ADSL2-M/K9 bundle?
The Cisco 2801-ADSL2-M/K9 bundle is available through authorized Cisco partners, certified resellers, and the Cisco online store—contact your local Cisco representative for pricing.