System information

1-4 AR Series Router Reference Manual
Software Release 2.0.1
C613-03018-00 REV A
Introduction
This section describes the functions and commands available on the router to
support day-to-day operational and network management activities.
The commands described in this section fall into six functional groups:
■
The command processor and router configuration.
■
The User Authentication Facility.
■
Monitoring and fault diagnosis of the router and the network.
■
Managing the nonvolatile storage (NVS).
■
Managing FLASH memory and the FLASH File System (FFS).
■
Downloading software releases and enhancements.
The Command Processor
The router is controlled and monitored with a set of commands which can be
entered from a terminal connected to one of the asynchronous ports, or by
using Telnet to connect to the router.
A user accessing the router from a terminal connected to an asynchronous port
in secure mode, or via a Telnet connection, must enter a login name and
password to gain access to the command prompt (see “User Authentication
Facility” on page 1-12).
The command processor supports three levels of privilege, USER, MANAGER,
and SECURITY OFFICER. USER and MANAGER privilege can be
distinguished by the prompt displayed by the command processor when it is
ready to receive commands. A USER level prompt looks like:
>
while a MANAGER prompt looks like:
Manager >
and a SECURITY OFFICER prompt looks like:
SecOff >
If the router’s system name has been defined with the command:
SET SYSTEM NAME=name
then the system name is included in the prompt. The MANAGER level prompt
for a router with the system name
ho.noname.com looks like:
Manager ho.noname.com>
Normal Mode and Security Mode
The commands that a user may execute depend on the user’s privilege level
and the mode in which the router is operating. The router operates in one of
two modes, normal mode and security mode. By default the router operates in
normal mode. Security mode is designed to provide additional protection to
routers fitted with encryption hardware or configured to provide sensitive