1-3
Cisco 837 Router and SOHO 97 Router Hardware Installation Guide
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Chapter 1 Product Overview
Router Overview
Router Overview
The following section shows the front and back panels of the Cisco 837 router and
the SOHO 97 router. The Cisco 837 router and the SOHO 97 router each have four
Ethernet ports.
Wall-mounting feature
Brackets on the router bottom provide for mounting the router on a wall
or vertical surface.
IPSec Hardware
Accelerator
Only the Cisco 837 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-Ziv-Stac (LZS)
compression and Microsoft Point-to-Point Compression (MPPC).
Table 1-1
Feature Summary for Cisco 837 and SOHO 97 Routers (continued)
Feature
Description
