System Management Overview

The Junos OS provides a variety of parameters that allow you to configure system management functions, including the router’s hostname, address, and domain name; the addresses of Domain Name System (DNS) servers; user login accounts, including user authentication and the root-level user account; time zones and Network Time Protocol (NTP) properties; and properties of the router’s auxiliary and console ports.

This chapter provides you an overview of system management functions and features:

• Format for Specifying IP Addresses, Network Masks, and Prefixes in Junos Configuration Statements
• Format for Specifying Filenames and URLs in Junos OS CLI Commands
• Default Directories for Junos OS File Storage on the Router
• Junos OS Tracing and Logging Operations
• Junos OS Authentication Methods for Routing Protocols
• Junos OS User Authentication Methods