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Chapter 1 Product Overview
Features
1-2
Cisco 831 Router and SOHO 91 Router Hardware Installation Guide
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Features
Table 1-1 summarizes the features of these routers.
Table 1-1 Feature Summary for Cisco 831 Router and SOHO 91 Router
Feature Description
10BASE-T/100BASE-T
built-in switch ports
Provides connection to 10/100BASE-T (10/100-Mbps) Ethernet
networks. Compatible with 10/100-Mbps devices.
WAN port Provides connection to 10BASE-T. Compatible with 10-Mbps devices.
Can be connected to other network devices, such as cable modem,
ADSL, and router.
Flash memory 8 MB of Flash memory; up to 16 MB of expandable Flash memory on
the Flash module.
Synchronous dynamic
RAM (SDRAM)
32 MB of SDRAM on board.
Ease of installation Color-coded ports and cables reduce the chance of installation error.
Cisco IOS software Supports Cisco IOS software.
Cisco Router Web Setup
application
Provides a web-based software tool for basic configurations and
selected applications.
Console port Provides a connection to the terminal or PC for software configuration
or troubleshooting using the command-line interface.
Wall-mount feature Brackets on router bottom provide a means for mounting the router on a
wall or vertical surface.
IPSec Hardware
Accelerator
Only the Cisco 831 router supports this feature. The Hifn 7902 security
processor implements symmetric key encryption, public key encryption,
authentication and data compression in hardware. Algorithms
implemented by the processor include Data Encryption Standard (DES)
and Triple DES (3DES); Secure Hash Algorithm (SHA-1), Message
Digest 5 (MD5), Hash-based Message Authentication Code (HMAC);
and Lempel-Zif-Stac (LZS) compression; and Microsoft Point-to-Point
Compression (MPPC).