Arris C4 - Security; AAA Overview

STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 832
Chapter 29
Security
 AAA Overview ................................................................................... 832
 Local Authentication ........................................................................ 836
 RADIUS Authentication .................................................................... 837
 TACACS+ ........................................................................................... 843
 TACACS+ Source Interface ................................................................ 852
 SSH2 .................................................................................................. 855
 Routing to a Null Interface ............................................................... 861
 Source Verification of Cable-side IP Addresses ................................ 862
 CPE Host Authorization .................................................................... 864
 Advanced CM Configuration File Verification .................................. 866
AAA Overview
The AAA feature enhances the authentication, authorization, and accounting capabilities of the C4/c CMTS by means of the
Terminal Access Controller Access Control System Plus (TACACS+) protocol. This protocol not only standardizes the
interface to a network element’s AAA capabilities, it also enables centralized administration of security policies across a
network of heterogeneous elements. AAA allows a customer to: