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DATA SHEET
CISCO 1800 SERIES INTEGRATED SERVICES ROUTERS
CISCO 1801, 1802, 1803, 1811, 1812 ROUTERS (FIXEDCONFIGURATION MODELS)
Cisco Systems® is redefining best-in-class enterprise and small- to midsized-business routing with a new line of integrated
services routers that are optimized for the secure delivery of data services. Founded on 20 years of leadership and
innovation, the Cisco® 1800 Series integrated services routers intelligently embed data, security, and wireless technology into
a single, resilient system for fast, secure, scalable delivery of mission-critical business applications. The best-in-class Cisco
1800 Series architecture has been specifically designed to meet requirements of small to medium-sized businesses (SMBs),
enterprise branch offices, and service provider-managed services for delivery of concurrent services for broadband access.
The integrated secure systems architecture of the Cisco 1800 Series delivers maximum business agility and investment
protection.
PRODUCT OVERVIEW
Cisco 1800 Series integrated services routers are the next evolution of the award-winning Cisco 1700 Series modular and fixed-configuration routers.
The Cisco 1801, 1802, 1803, 1811, and 1812 integrated services routers (Figure 1) are fixed-configuration, while the Cisco 1841 integrated services
router is modular and described in a separate data sheet http://www.cisco.com/en/US/products/ps5853/products_data_sheet0900aecd8016a59b.html.
The fixed configuration routers are designed for secure broadband, Metro Ethernet, and wireless connectivity providing significant performance
improvements, feature enhancements, and increased value compared to prior generation of Cisco 1700 Series routers. The Cisco 1800 Series fixed-
configuration routers offer:
• Secure broadband access with concurrent services for branch and small offices
• Integrated ISDN Basic Rate Interface (BRI), analog modem, or Ethernet backup port for redundant WAN links and load balancing
• Secure Wireless LAN option for simultaneous 802.11a /b/g operations with use of multiple antennas
• Advanced security including:
– Stateful Inspection Firewall
– IP Security (IPSec) VPNs (Triple Data Encryption Standard [3DES] or Advanced Encryption Standard [AES])
– Intrusion Prevention System (IPS)
– Antivirus support through Network Admission Control (NAC) and enforcement of secure access policies
• 8-port 10/100 managed switch with VLAN support and optional Power over Ethernet (PoE)
• Easy deployment and remote-management capabilities through Web-based tools and Cisco IOS® Software
Figure 1. Cisco 1800 Series Fixed-Configuration Routers
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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
Cisco 1801
Cisco 1802
Cisco 1803
Cisco 1811
Cisco 1812
DSL WAN Port
ADSL over POTS
ADSL over ISDN
G.SHDSL (4-wire)
–
–
10/100 FE WAN Ports
1 1 1 2 2
8-Port Managed Switch
Yes
Yes
Yes
Yes
Yes
ISDN BRI Dial Backup
Yes
Yes
Yes – Yes
V.92 Analog Modem Dial Backup
– – –
Yes
–
USB 2.0 Ports
0 0 0 2 2
802.11a/b/g Wireless Option
Yes
Yes
Yes
Yes
Yes
Auxiliary and Console Ports
Yes
Yes
Yes
Yes
Yes
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.
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Figure 2. Securing Small Branch Office with a Cisco 1800 Series Fixed-Configuration Router
Highly Available Internet Connectivity
The Cisco IOS Software Advanced IP Services feature set offers basic and advanced routing capabilities to deliver failover protection and load
balancing. These capabilities include Border Gateway Protocol (BGP), Open Shortest Path First (OSPF) Protocol, Enhanced Interior Gateway
Routing Protocol (EIGRP), and Routing Information Protocol (RIP) routing protocols along with dial-on-demand routing (DDR) and reliable static
routing using object tracking. Each of the Cisco 1800 Series fixed-configuration routers is equipped with an ISDN BRI or V.92 analog modem port,
and an Ethernet port for secondary WAN backup connection. If the primary DSL, cable, or Ethernet-access WAN is disconnected for some reason,
the router will detect this failure and will automatically fail over to the secondary backup WAN. As Figure 3 and 4 demonstrate, the Cisco 1800
Series fixed-configuration routers help enable customers to deploy high-performance and highly-available, mission-critical business applications.
Figure 3. Small Branch Network Deploying Dual Redundant WAN Links
Figure 4. High-Availability Small Branch Network with Cisco 1801, 1802, or 1803 Router
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Integrated Secure Wireless LAN Connectivity
Cisco 1800 Series fixed-configuration routers offer additional models with an integrated wireless access point, providing secure routing and
secure wireless LAN services in one device, helping businesses reduce total cost of ownership with simplified WLAN and WAN deployment and
management capabilities. The optional wireless access point supports IEEE 802.11a/b/g simultaneously to provide high-speed wireless capability
and flexibility with the support of 2.4-GHz and 5-GHz dual-band simultaneous operation, making them ideal choices for public hotspot deployments
and wireless office solutions. Wi-Fi Certified client devices including Cisco Aironet®, Wi-Fi Certified and Cisco Compatible client devices are fully
supported.
The Cisco 1800 Series wireless routers are Wi-Fi Certified and support Wi-Fi Protected Access (WPA) providing secure mutual authentication and
encryption via Cisco IOS Software features to meet the strict demands of today’s businesses. These products also provide support for multiple
wireless VLANs that can be configured to provide additional security, segmentation, and separation of wireless users. When using the routers in
conjunction with the Cisco Service Selection Gateway (SSG) and Subscriber Edge Services Manager (SESM), managed service providers can
incorporate service-based authorization and accounting, and service and subscriber management for customizable, on-demand wireless services such
as public wireless hotspots. Additional features such as survivable local authentication allow users to maintain wireless connectivity to the router in
the event that a remote authentication server goes down. Quality of Service (QoS) via Wi-Fi Multimedia (WMM) is also supported. (See Integrated
Services Routers with Wireless Services Solution Overview for more information)???
Figure 5 shows a Cisco 1800 Series fixed-configuration wireless router deployed in a small branch-office WLAN application.
Figure 5. Small Branch-Office WLAN
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Business-Class DSL and Ethernet Connectivity
The Cisco 1801, 1802, and 1803 routers combine the cost benefits of DSL service with the advanced routing capability required for business use of
the Internet. These products are available with built-in ADSL over POTS (Cisco 1801), ADSL over ISDN (Cisco 1802), or G.SHDSL (Cisco 1803)
WAN port. They deliver strong network security, QoS, and other Cisco IOS features at broadband speeds. Enhanced DSL QoS features, such as
Weighted Random Early Detection (WRED), committed access rate (CAR), and Class-Based Traffic Shaping, help ensure high performance for
mission-critical applications. The G.SHDSL interface on the Cisco 1803 supports standards based 4-wire capability providing longer reach and
higher bandwidth performance.
The Cisco 1811 and 1812 routers offer the flexibility to connect to broadband DSL modems, Cable modems, or Ethernet access services. For
Ethernet access, these routers are designed to be customer premises equipment (CPE) in Metro Ethernet deployments. Because of their high-speed
performance and dual Fast Ethernet WAN ports, they can support the high-bandwidth demands of Metro Ethernet and provide failover protection and
load balancing if desired. The integrated eight port switch is sufficient for connecting numerous devices and the optional PoE capability can supply
power to IP telephones or other IEEE 802.3af compliant devices.
KEY FEATURES AND BENEFITS
The Cisco 1800 Series fixed-configuration routers have been specifically architected to meet the requirements of SMBs and enterprise branch offices
as well as service provider-managed applications to deploy concurrent services for broadband access. The Cisco 1801, 1802, 1803, 1811, 1812, and
1841 routers together with other Cisco integrated services routers such as the Cisco 800, 2800, and 3800 series provide the broadest range of secure
connectivity options in the industry combined with high-availability features. In addition, Cisco IOS Software supports a complete suite of transport
protocols, QoS, and network security. Table 2 lists the architecture features and benefits of the Cisco 1800 Series fixed-configuration routers.
Table 2. Architecture Features and Benefits
Feature
Benefit
Hardware Architecture
High-Performance Processor
High-speed processor delivers exceptional processing power for routing applications and concurrent
security and wireless services.
Integrated ADSL or G.SHDSL
Eliminates the need to deploy and manage a separate DSL modem.
Integrated 10/100BASE-T WAN Ports
Offers flexibility to connect to various types of DSL broadband or cable access or Ethernet access.
Additional capability to deploy redundant WAN connections for failover protections and load balancing.
Integrated 8-Port 10/100BASE-T
Managed Switch
Fully managed LAN switch ports connect multiple LAN devices and reduce the need for an additional
LAN switch.
Integrated WAN Backup
Built-in ISDN S/T BRI or analog modem port provides high availability by establishing a backup WAN
connection if the primary connection fails.
Onboard Hardware Encryption
Acceleration
Delivers high-speed IPSec encryption and decryption rates for DES, 3DES, and AES to help ensure all
available bandwidth to the Internet is utilized for maximum performance.
Expandable Memory Architecture
The default memory of 32-MB Flash and 128-MB DRAM is sufficient to support complex configurations
and advanced services and help ensure operation for an extended period. Memory is expandable to
support maximum of 128-MB Flash and 384-MB DRAM, offering additional investment protection.
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