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Cisco 1801, 1802, and 1803 routers provide high-speed DSL broadband access through asymmetric DSL (ADSL) over basic telephone service

(Cisco 1801), ADSL over ISDN (Cisco 1802), or Symmetrical High-Data-Rate DSL (G.SHDSL) (Cisco 1803) while helping to ensure reliable

networking with integrated ISDN S/T BRI backup. The Cisco 1811 and 1812 provide high-speed broadband or Ethernet access through two

10/100BASE-T Fast Ethernet WAN ports and also provide integrated WAN backup through a V.92 analog modem (Cisco 1811) or ISDN S/T

BRI interface (Cisco 1812).

The Cisco 1800 Series fixed-configuration routers help enable a network infrastructure for SMBs and enterprise small branch offices, providing

access to the Internet, corporate networks, or other remote offices, while securing and protecting critical data with integrated Cisco IOS Software

security features and capabilities. They also help businesses reduce costs by enabling deployment of a single device to provide multiple services

(integrated router with redundant link, LAN switch, firewall, VPN, IPS, wireless technology, and quality of service [QoS]) typically performed by

separate devices. Cisco IOS Software allows this flexibility, providing the industry's most robust, scalable, and feature-rich internetworking support,

using the accepted standard networking software for the Internet and private WANs.

Table 1 summarizes the Cisco 1800 Series fixed-configuration router features.

Table 1.

Product Summary

Feature

DSL WAN Port

10/100 FE WAN Ports

8-Port Managed Switch

ISDN BRI Dial Backup

V.92 Analog Modem Dial Backup

USB 2.0 Ports

802.11a/b/g Wireless Option

Auxiliary and Console Ports

NETWORK APPLICATIONS

Secure Network Connectivity

Network security has become a fundamental building block of any network, and Cisco routers play an important role in embedding security at the

customer's access edge. Recognizing this requirement, the Cisco 1800 Series fixed-configuration routers are equipped with the Cisco IOS Software

Advanced IP Services feature set as the default software image (except for the Cisco 1801). This Cisco IOS Software feature set facilitates hardware-

based encryption on the motherboard and provides a robust array of security capabilities such as Cisco IOS Firewall, URL Filtering, IPS support,

IPSec VPNs (DES, 3DES, and AES), Dynamic Multipoint VPN (DMVPN), Easy VPN server and client support, NAC for defense against worms

and viruses, security policy enforcement, Secure Shell (SSH) Protocol Version 2.0, and Simple Network Management Protocol (SNMP) in a single

solution set. As Figure 2 demonstrates, the Cisco 1800 Series fixed-configuration routers help enable customers to deploy high-performance,

concurrent, mission-critical data applications with integrated, end-to-end security.

Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com.

Cisco 1801

Cisco 1802

ADSL over POTS

ADSL over ISDN

Yes

–

Yes

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Cisco 1803

Cisco 1811

G.SHDSL (4-wire)

–

Yes

–

Yes

Cisco 1812

–

Yes

–

Yes