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CISCO1801
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- ADSL/POTS router w/IOS IP Broadband
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
CISCO1801
ADSL/POTS router w/IOS IP Broadband
$1,000.00
$457.00
36 in Global Warehouse
$457.00
54% off
TRUSTED, TRIED, PROVEN
CISCO1801 Overview
CISCO1801 is a fixed integrated services router designed for branch connectivity that features a robust architecture with multiple LAN/WAN interfaces, utilizing an internal AC power supply and supporting dual WAN configurations. It offers integrated voice and video services along with VPN capabilities (including IPSec VPN), while its expansion options via EHWIC slots provide modular flexibility for enhanced functionality.
CISCO1801 delivers reliable performance with a throughput capacity of approximately 27 Mbps (0.027 Gbps), basic high availability features, and built-in firewall security to safeguard data and voice communications. Engineered primarily for small business and enterprise branch environments, it supports standard routing protocols and remote management via CLI/SNMP for streamlined deployment and maintenance.
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CISCO1801 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec |
| 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 | CLI / SNMP |
| Compliance Standards | FCC / CE |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / VoIP / IPv6 Compatible / Firewall |
| Use Case | Small Business / Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video |
| High Availability Support | Not Supported |
| Safety | FCC / UL |
| EMC | FCC |
| Telecom | N/A |
| Throughput Capacity | 0.027 Gbps |
| 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 | 128 MB |
| Interface Ports | RJ-45 |
| Power | 85 Watt |
| Device Type | Router |
| Product Name | Cisco 1801 Integrated Services Router |
| Height | 1.73 inches |
| Width | 17.2 inches |
| Depth | 15.7 inches |
| Weight | 13.2 lbs |
CISCO1801 Use Case
Small Branch Office Secure Internet and Voice Convergence
A retail chain deploys the CISCO1801-ADSL/POTS router w/IOS IP Broadband at a satellite store to aggregate ADSL Internet and POTS voice lines over a single chassis. With built-in QoS, the router prioritizes VoIP traffic to assure clear call quality while simultaneously supporting point-of-sale transactions and cloud-based inventory synchronization. Outcome: unified management reduces equipment footprint by 40%, lowers recurring telecom costs by 30%, and delivers sub-50 ms voice latency for superior customer service.
Secure Remote Site-to-Site VPN for Professional Services
An accounting firm connects its regional office to headquarters using the CISCO1801-ADSL/POTS router’s IOS IP Broadband capabilities to establish an AES-256 encrypted site-to-site VPN over standard ADSL lines. Integrated firewall, NAT control, and dynamic routing protocols ensure continuous secure access to financial databases and document repositories. Outcome: end-to-end data encryption meets compliance mandates, cuts leased-line expenses by 60%, and delivers 99.9% uptime for mission-critical operations.
Rural SME High-Availability Internet with POTS Failover
A remote manufacturing workshop leverages the CISCO1801-ADSL/POTS router to deliver resilient broadband over an ADSL uplink, with automatic POTS failover for voice alarm and control systems. IOS IP Broadband traffic shaping optimizes SCADA data streams and remote monitoring, while the router’s low-voltage POTS port ensures uninterrupted dial-in access during ADSL outages. Outcome: business continuity is guaranteed, real-time telemetry achieves sub-1 second failover, and maintenance costs drop by 25%.
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 | Modular | Fixed | Fixed | Fixed | Fixed |
| Broadband | DSL | DSL | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE / RoHS | IEEE802.3, IEEE802.3u, FCC, CE | FCC / CE | FCC / CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired / Wireless | Wired |
| Depth | N/A | N/A | 15.7 inches | N/A | 14 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC / CE | N/A | FCC | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC / NIM | EHWIC | EHWIC | EHWIC | NIM |
| Features | VPN / IPv6 Compatible / Firewall | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN, Firewall, IPv6 Compatible, Voice, Video |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Rack-mount / Desktop | Rack-mount | Desktop | Desktop |
| Height | N/A | N/A | 1.73 inches | N/A | 1.75 inches |
| High Availability Support | Supported | Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice / Video | Voice / Video | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 / Combo Ports | RJ-45, SFP |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 512 MB | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | 1 Slot | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IP / TCP/IP / UDP / ICMP / SNMP | IPv4 / IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IP, VoIP |
| Power | 65 W | 65W | 85 Watt | 65 Watt | 85 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1841-4SHDSL | CISCO1812/K9 Integrated Services Router | Cisco 1801 Integrated Services Router | CISCO1801WM-AGB/K9 | Cisco C1861-2B-VSEC/K9 Integrated Services Router |
| Product Type | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP / HTTP/HTTPS | CLI / SNMP / Telnet / SSH | CLI / SNMP | Telnet / SSH / SNMP | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / BGP |
| Safety | UL | N/A | FCC / UL | N/A | N/A |
| Speed/Capacity | N/A | Fast Ethernet | N/A | Gigabit | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.035 Gbps | N/A | 0.027 Gbps | 0.05 Gbps | 15 Mbps |
| Use Case | Enterprise / Business | Business / Small Business | Small Business / Enterprise | Enterprise | Business |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec | IPSec | IPSec / SSL VPN |
| WAN Configuration | WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 4 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | 13.2 lbs | N/A | 10 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | WiFi 3 | N/A |
| Width | N/A | N/A | 17.2 inches | N/A | 17 inches |
| Wireless Support | No | No | No | Yes | No |
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Questions & Answers
Q
What is the Cisco 1801 ADSL/POTS router with IOS IP Broadband?
A
The Cisco 1801 is a compact integrated router offering ADSL2+ connectivity, POTS voice support and Cisco IOS for secure, reliable broadband access in small office and home environments.
Q
What key features does the Cisco 1801 router provide?
A
It delivers ADSL2+ up to 24 Mbps, POTS gateway support, hardware-based encryption, stateful firewall, VPN, QoS, and comprehensive Cisco IOS management in a single platform.
Q
How do I configure the Cisco 1801 for ADSL Internet access?
A
Access the CLI via console or SSH, enter global configuration mode, define the ATM PVC (e.g., pvc 0 35), apply encapsulation pppoe, and configure PPP credentials provided by your ISP.
Q
Does the Cisco 1801 support POTS (Plain Old Telephone Service)?
A
Yes. The integrated FXS port on the Cisco 1801 enables analog voice connectivity over POTS lines, allowing seamless legacy telephone integration with your broadband link.
Q
What throughput and performance can I expect from the Cisco 1801?
A
The Cisco 1801 delivers up to 25 Mbps of aggregated throughput for data, voice and VPN traffic, optimized by its hardware encryption engine and QoS capabilities.
Q
Which Cisco IOS software versions run on the Cisco 1801?
A
The router supports Cisco IOS 12.4 and above with IP/Base, Security, and Advanced IP Services feature sets. Verify the exact build for feature compatibility.
Q
Can I secure my network with the Cisco 1801 router?
A
Absolutely. It offers hardware-accelerated 3DES/AES VPN, stateful firewall, access control lists (ACLs) and intrusion prevention through Cisco IOS security features.
Q
Does the Cisco 1801 support site-to-site and remote access VPNs?
A
Yes. It supports IPsec site-to-site VPN and SSL or IPsec client-based remote access VPN, enabling secure connectivity for branch offices and teleworkers.
Q
How do I restore the Cisco 1801 to factory default settings?
A
Reboot the router, press Break during startup to access ROMmon, then use the 'format nvram:' command and reload. This clears all configurations to factory defaults.
Q
What management interfaces are available on the Cisco 1801?
A
You can manage the router via console port, SSH, Telnet, HTTP/HTTPS (web UI), SNMP and CiscoWorks for centralized monitoring and configuration.
Q
Which physical ports are included on the Cisco 1801?
A
It features one ADSL2+ WAN port, one FXS POTS port, two 10/100 Mbps Fast Ethernet LAN ports, a console port and a power port.
Q
How do I update the Cisco IOS on my Cisco 1801 router?
A
Download the correct IOS image from Cisco.com, upload it via TFTP or FTP to flash, set the boot variable to the new image, then reload the router.
Q
Does the Cisco 1801 include Quality of Service (QoS)?
A
Yes. It supports hierarchical QoS, classification, policing, shaping and priority queuing to ensure optimal performance for voice, video and critical data traffic.
Q
What power options does the Cisco 1801 router support?
A
The Cisco 1801 uses an internal universal power supply (100–240 VAC, 50–60 Hz) and draws less than 15 W, supporting global deployments without external modules.
Q
Is the Cisco 1801 still supported by Cisco?
A
The Cisco 1801 has reached end-of-sale status. Limited software maintenance and security updates may still be available under extended support contracts.
Q
What warranty and support options are available for the Cisco 1801?
A
Cisco provides a one-year limited hardware warranty and offers extended support through Cisco SMARTnet contracts for software upgrades, technical assistance and replacement services.
Q
Where can I purchase the Cisco 1801 ADSL/POTS router?
A
Authorized Cisco partners, select hardware resellers and online marketplaces carry the Cisco 1801. Verify authenticity and warranty eligibility before purchase.
