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Early Detection (WRED), committed access rate (CAR), and Class-Based Traffic Shaping, help ensure high performance for mission-critical
applications. The Cisco 1803 supports G.SHDSL 2-wire and 4-wire capability providing longer reach and higher performance.
The Cisco 1811 and 1812 routers are focused on Ethernet access and are designed to be offered as 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 eight-port switch on the Cisco 1800 Series fixed configuration routers is sufficient for connecting numerous devices and the optional PoE
capability can supply power to IP telephones or other devices.
KEY FEATURES AND BENEFITS
Architecture 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 for 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 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 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 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 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.
802.1Q VLAN A total of eight VLANs can be configured to segment a network and offer additional security and
separation of network traffic.
Real-Time Clock Built-in, real-time clock maintains an accurate date and time for applications that require an accurate
time stamp—such as logging and digital certificates.
Internal Power Supply Eliminates the need for a cumbersome external power-adapter module and provides easier cable
management.
USB 2.0 Ports on Cisco 1811 and 1812 Integrated USB ports can be configured to work with optional USB token for off-platform storage of VPN
credentials or for deployment of configuration stored on USB Flash devices.
