What throughput and performance can I expect from the Cisco 1801?

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.

Which Cisco IOS software versions run on the Cisco 1801?

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.

Can I secure my network with the Cisco 1801 router?

Absolutely. It offers hardware-accelerated 3DES/AES VPN, stateful firewall, access control lists (ACLs) and intrusion prevention through Cisco IOS security features.

Does the Cisco 1801 support site-to-site and remote access VPNs?

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.

How do I restore the Cisco 1801 to factory default settings?

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.

What management interfaces are available on the Cisco 1801?

You can manage the router via console port, SSH, Telnet, HTTP/HTTPS (web UI), SNMP and CiscoWorks for centralized monitoring and configuration.

Which physical ports are included on the Cisco 1801?

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.

How do I update the Cisco IOS on my Cisco 1801 router?

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.

Does the Cisco 1801 include Quality of Service (QoS)?

Yes. It supports hierarchical QoS, classification, policing, shaping and priority queuing to ensure optimal performance for voice, video and critical data traffic.

What power options does the Cisco 1801 router support?

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.

Is the Cisco 1801 still supported by Cisco?

The Cisco 1801 has reached end-of-sale status. Limited software maintenance and security updates may still be available under extended support contracts.

What warranty and support options are available for the Cisco 1801?

Cisco provides a one-year limited hardware warranty and offers extended support through Cisco SMARTnet contracts for software upgrades, technical assistance and replacement services.

Where can I purchase the Cisco 1801 ADSL/POTS router?

Authorized Cisco partners, select hardware resellers and online marketplaces carry the Cisco 1801. Verify authenticity and warranty eligibility before purchase.

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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.

CISCO1801 price is $457.00, a 54.3% saving from the Cisco list price of $1,000.00. CISCO1801 is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for CISCO1801 for additional pricing. Browse the full Router Isr 1800 series or explore all Cisco products.

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

	CISCO1801	CISCO1812/K9	C1861-2B-VSEC/K9	CISCO1841-4SHDSL	CISCO1801WM-AGB/K9
5G Support	No	No	No	No	No
Architecture	Fixed	Fixed	Fixed	Modular	Fixed
Broadband	N/A	DSL	N/A	DSL	N/A
Built-in Security Features	Firewall / Intrusion Prevention	Firewall / Intrusion Prevention	Firewall, Intrusion Prevention, Malware Protection	Firewall / Intrusion Prevention	Firewall / Intrusion Prevention
Compliance Standards	FCC / CE	IEEE802.3, IEEE802.3u, FCC, CE	FCC, CE	FCC / CE / RoHS	FCC / CE
Connectivity Type	Wired	Wired	Wired	Wired	Wired / Wireless
Depth	15.7 inches	N/A	14 inches	N/A	N/A
Device Type	Router	Router	Router	Router	Router
EMC	FCC	N/A	N/A	FCC / CE	N/A
Ethernet Technology	10/100	10/100	10/100	10/100	10/100
Expansion Slots	EHWIC	EHWIC	NIM	EHWIC / NIM	EHWIC
Features	VPN / VoIP / IPv6 Compatible / Firewall	VPN, VoIP, IPv6 Compatible, Firewall, MPLS	VPN, Firewall, IPv6 Compatible, Voice, Video	VPN / IPv6 Compatible / Firewall	VPN / 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	Rack-mount / Desktop	Desktop	Rack-mount	Desktop
Height	1.73 inches	N/A	1.75 inches	N/A	N/A
High Availability Support	Not Supported	Supported	Supported	Supported	Not Supported
Integrated Services	Voice / Video	Voice / Video	Voice, Video, WAN Optimization	Voice / Video / WAN Optimization	Voice / Video
Interface Ports	RJ-45	RJ-45	RJ-45, SFP	RJ-45	RJ-45 / Combo Ports
LAN Ports	4 LAN Ports	4 LAN Ports	4 LAN Ports	2 LAN Ports	4 LAN Ports
Management	Managed	Managed	Managed	Managed	Managed
Memory	256 MB	512 MB	256 MB	128 MB	512 MB
Modular Slots Available	2 Slots	1 Slot	2 Slots	2 Slots	2 Slots
Network Protocols	IPv4 / IPv6	IPv4 / IPv6	IP, VoIP	IP / TCP/IP / UDP / ICMP / SNMP	IPv4 / IPv6
Power	85 Watt	65W	85 Watt	65 W	65 Watt
Power Source	AC Power Supply	AC Power Supply / Redundant	AC Power Supply	AC Power Supply / Redundant	AC Power Supply
Product Name	Cisco 1801 Integrated Services Router	CISCO1812/K9 Integrated Services Router	Cisco C1861-2B-VSEC/K9 Integrated Services Router	CISCO1841-4SHDSL	CISCO1801WM-AGB/K9
Product Type	Enterprise Router	Integrated Services Router	Enterprise Router	Enterprise Router	Enterprise Router
QoS Features	Supported	Supported	Supported	Supported	Supported
Remote Management	CLI / SNMP	CLI / SNMP / Telnet / SSH	SSH, Telnet, SNMP	Telnet / SSH / SNMP / HTTP/HTTPS	Telnet / SSH / SNMP
Routing Protocols	OSPF / BGP / EIGRP / RIP / Static Routing	OSPF / BGP / EIGRP / RIP / Static Routing	OSPF / EIGRP / RIP / BGP	OSPF / EIGRP / RIP / Static Routing	OSPF / BGP / EIGRP / Static Routing
Safety	FCC / UL	N/A	N/A	UL	N/A
Speed/Capacity	N/A	Fast Ethernet	Fast Ethernet	N/A	Gigabit
Stacking Capability	No	No	No	No	No
Telecom	N/A	N/A	N/A	N/A	N/A
Throughput Capacity	0.027 Gbps	N/A	15 Mbps	0.035 Gbps	0.05 Gbps
Use Case	Small Business / Enterprise	Business / Small Business	Business	Enterprise / Business	Enterprise
VPN Support	IPSec	IPSec / SSL VPN / DMVPN	IPSec / SSL VPN	IPSec	IPSec
WAN Configuration	Dual WAN	WAN	Dual WAN	WAN	Dual WAN
WAN Ports	2 WAN	2 WAN	2 WAN	4 WAN	2 WAN
Weight	13.2 lbs	N/A	10 lbs	N/A	N/A
Wi-Fi Standard	N/A	N/A	N/A	N/A	WiFi 3
Width	17.2 inches	N/A	17 inches	N/A	N/A
Wireless Support	No	No	No	No	Yes

Reviews & Ratings

Henry Davis

ADSL/POTS router with IP broadband support. Provides stable connectivity for small office networks.

Sophia Turner

Cisco 1801 ensures secure and reliable ADSL connections. Easy to deploy and maintain.

Ethan Bell

Handles office traffic smoothly. Reliable router for daily business operations.

Olivia Morgan

Stable routing and dependable performance. Cisco 1801 keeps branch networks operational.

Lucas Foster

Durable and efficient ADSL/POTS router. Provides consistent uptime for small office deployments.

Questions & Answers

What is the Cisco 1801 ADSL/POTS router with IOS IP Broadband?

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.

What key features does the Cisco 1801 router provide?

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.

How do I configure the Cisco 1801 for ADSL Internet access?

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.

Does the Cisco 1801 support POTS (Plain Old Telephone Service)?

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.

Related Searches Router Isr 1800

CISCO1802 CISCO1801/K9 CISCO1801W-AG-B/K9 CISCO1801W-AG-N/K9 CISCO1801W-AG-C/K9 CISCO887V-K9 CISCO877-K9 CISCO887V-SEC-K9

CISCO1801 Overview

CISCO1801 price is $457.00, a 54.3% saving from the Cisco list price of $1,000.00. CISCO1801 is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for CISCO1801 for additional pricing. Browse the full Router Isr 1800 series or explore all Cisco products.

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

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

5G Support

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