Router Security Configuration Guide Supplement - Security for IPv6 Routers

This document is only a guide to recommended security settings for Internet Protocol version 6 (IPv6) routers, particularly routers running Cisco Systems Internet Operating System (IOS) versions 12.3 through 12.4 and 12.4T. It does not provide comprehensive guidance; the directions in this document should be used in conjunction with the NSA Router Security Configuration Guide 1.1c or later. The advice in this document cannot replace well-designed policy or sound judgment. This supplement does not address site-specific configuration issues. Care must be taken when implementing the security steps specified in this document. Ensure that all security steps and procedures chosen from this guide are thoroughly tested and reviewed prior to imposing them on an operational network.