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Serial Menu (default). In this mode, a standard menu interface is
presented. You can use an application such as Hyper Terminal, when
directly connected to the Nortel VPN Router, to access the menu
interface. The Nortel VPN Router uses the COM port for a serial menu
terminal session. The Nortel VPN Router serial port baud rate is 9600 by
default. When you change the serial interface baud rate, you must press
the Reset button.
PPP allows you to set up the Nortel VPN Router to use the Point-to-Point
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Protocol (PPP) over the serial port. This feature allows you to manage the
Nortel VPN Router from a remote location using PPP and the serial
interface. If the Nortel VPN Router were to become unreachable over the
Internet, you could still dial up and manage it through the serial interface
menu.
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Auto Detect allows you to access all of the management services (HTTP,
Telnet, FTP, SNMP) through the web interface. When a session is
established through PPP, the serial interface acts as a private WAN
interface with an internal IP address.
Auto Detect automatically detects whether the Nortel VPN Router is
using PPP or serial menu mode at startup. It cannot determine the Nortel
VPN Router baud rate, nor can it determine a change from PPP to serial
menu mode, except upon startup. Auto Detect checks the mode each time
the Nortel VPN Router is restarted. When performing its Auto Detect
check, the Nortel VPN Router sends out AT command set characters to
configure a modem if one is attached. When the Nortel VPN Router is in
Auto Detect mode, and if a terminal session is connected and the terminal
baud rate is the same as the Nortel VPN Router, the terminal displays the
AT command sets on the window. Simply press Enter more than five
times before a serial menu session is started.
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AoT enables transport of asynchronous data packets over a TCP/IP
network.
c
Select one of the following baud rates to match the Baud Rate of your
terminal:
— 57600
— 38400
— 19200
— 9600 (default)
— 4800 (4800 and below applies only when AoT is selected)
Chapter 5 Configuring the system 109
Nortel VPN Router Configuration — Basic Features
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