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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
Hardware Architecture
High-Performance Processor
Integrated ADSL or G.SHDSL
Integrated 10/100BASE-T WAN Ports
Integrated 8-Port 10/100BASE-T
Managed Switch
Integrated WAN Backup
Onboard Hardware Encryption
Acceleration
Expandable Memory Architecture
Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com.
Benefit
High-speed processor delivers exceptional processing power for routing applications and concurrent
security and wireless services.
Eliminates the need to deploy and manage a separate DSL modem.
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.
Fully managed LAN switch ports connect multiple LAN devices and reduce the need for an additional
LAN switch.
Built-in ISDN S/T BRI or analog modem port provides high availability by establishing a backup WAN
connection if the primary connection fails.
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.
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.
© 2005 Cisco Systems, Inc. All rights reserved.
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