108 Chapter 5 Configuring the system
Configuring system settings
The Nortel VPN Router can be booted in one of the two system modes: safe mode
or normal mode. Each mode has its own software image, configuration files, and
A system booted in Safe mode is only allowed to accept secured management
tunnel establishment. When the secured management tunnel is established, Telnet,
HTTP, and FTP traffic is allowed to come into the Nortel VPN Router; no other
VPN traffic is allowed through the secured management tunnel or the Nortel VPN
Router. In Normal mode, the system operates with the normal software and
configuration and transports both VPN traffic and management traffic.
To configure the system settings:
Click on the Return to the Date and Time window link to return to the
Go to the System > Settings window.
Click on the Enable check box to enable and disable Safe Mode.
Type in the number of minutes to determine how the long the system operates
in Safe Mode before attempting to reboot in Normal Mode.
Configure the serial port under the Serial Port Configuration section. The
parameters that you must set to allow the Nortel VPN Router to communicate
via the serial port. Whenever you change from either serial menu mode to PPP
mode, or vice versa, you must restart the Nortel VPN Router for the change to
The Menu Access Level setting determines which commands are
available in a serial console port menu.
Unrestricted - All commands are available to the user (default).
Restricted 1 - System Reset commands plus the commands to change
interface IP address and mask.
Restricted 2 - Only Reset commands are available.
b Select one of the following Modes of operation: