Linux in a Nutshell, Fourth Edition

Name

dip

Synopsis

                  dip [options] [chat 
                  scriptfile]

System administration command. Set up or initiate dial-up Internet connections. dip can be used to establish connections for users dialing out or dialing in. Commands can be used in interactive mode or placed in a script file for use in dial-out connections. To establish dial-in connections, dip is often used as a shell, and may be executed using the commands diplogin or diplogini.

Options

-a

In dial-in mode, prompt for username and password. Same as the diplogini command.

-i

Initiate a login shell for a dial-in connection. Same as the diplogin command.

-k

Kill the most recent dip process or the process running on the device specified by the -l option.

-l device

Used with the -k option. Specifies a tty device.

-m mtu

Maximum Transfer Unit. The default is 296.

-p protocol

The protocol to use: SLIP, CSLIP, PPP, or TERM.

-t

Command mode. This is usually done for testing.

-v

Verbose mode.

Commands

Most of these commands can be used either in interactive mode or in a script file.

beep times

Beep the terminal the specified number of times.

bootp

Retrieve local and remote IP addresses using the BOOTP protocol.

break

Send a BREAK.

chatkey keyword code

Map a modem response keyword to a numeric code.

config [interface|routing] [pre|up|down|post] arguments

Modify interface characteristics or the routing table before the link comes up, when it is up, when it goes down, or after it is down. The syntax for arguments is the same as for arguments for the ...