Establish an asynchronous connection with a remote system for use by the PPP (Point to Point Protocol) subsystem.
pppdial [ -t TimeOut ] [ -v ] [ -d VerboseFile ] -f ChatFile
The pppdial command provides the capability to establish a connection with a remote system over an asynchronous device. It is used with the pppattachd daemon as the means for carrying out the dialog with modems and remote systems to the point where PPP frames should be sent. The pppdial command uses standard input (stdin) and standard output (stdout) as the devices over which the dialog occurs.
Errors and messages are logged using the syslog facility.
|-d VerboseFile||Logs the chat activity to VerboseFile. If VerboseFile does not exist, the pppdial command creates it. If VerboseFile does exists, the pppdial command appends the output to the existing file. This flag applies only to AIX 4.2 or later.|
|-f ChatFile||Specifies the file which contains the dialog that is to occur over the tty device. The content of ChatFile conforms to the syntax of the Basic Networking Utility (BNU)/UNIX to UNIX Copy Program (UUCP).|
|-t TimeOut||Specifies the number of seconds to wait before timing out during the Expect phase of the chat activity. This flag applies only to AIX 4.2 or later.|
|-v||Logs the chat activity using the syslog facility. This flag applies only to AIX 4.2 or later.|
This command returns the
following exit values:
|!0||An error occurred.|
Access Control: Any User
To establish a connection with a remote system, enter on the command line in one line:
/usr/sbin/pppattachd client /dev/tty0 connect "/usr/sbin/pppdial -v -f /home/pppuser/dialer.file"
The ChatFile named /home/pppuser/dialer.file contains:
'' atdt4311088 CONNECT \\d\\n ogin pppuser ssword pppuserpwd
with the following meaning:
'' Expect a nul string atdt4311088 Send the modem the dial command 4311088 is the phone number to dial CONNECT Expect connect from the modem \\d\\n Delay for 1 second then send a new line ogin Expect the string ogin pppuser Send the string pppuser pppuser is the user id on the remote system ssword Expect the string ssword pppuserpwd Send the string pppuserpwd pppuserpwd is the password of the user pppuser on the remote system
The remote system must have a user pppuser defined with a password pppuserpwd and a $HOME/.profile containing:
exec pppattachd server 2>/dev/null
This is a very simplistic example. The example requires that the PPP subsystem is running on both the client and server (or remote) system. The example requires that the client system have a modem defined on /dev/tty0. The ChatFile contains the number 4311088 to dial. The remote system must also have a user defined with a password and a .profile which starts a PPP attachment on the remote system. The device (/dev/tty0), phone number, user, user password and mechanism starting the PPP attachment are variable and should reflect the current values on the server system.
|/usr/sbin/pppdial||Contains the pppdial command.|
The pppattachd daemon, pppcontrold daemon.
The syslog subroutine.
Asynchronous Point-to-Point Protocol (PPP) Subsystem Overview in AIX 5L Version 5.1 System Management Guide: Communications and Networks.