Linux in a Nutshell, Third Edition

Name

pppd

Synopsis

pppd [options] [tty] [speed]

Description

System administration command. PPP stands for the Point-to-Point Protocol; it allows datagram transmission over a serial connection. pppd attempts to configure tty for PPP (searching in /dev) or, by default, the controlling terminal. You can also specify a baud rate of speed.

Options

asyncmap map

Specify which control characters cannot pass over the line. map should be a 32-bit hex number, where each bit represents a character to escape. For example, bit 00000001 represents the character 0x00; bit 80000000 represents the character 0x1f or _. You may specify multiple characters.

auth

Require self-authentication by peers before allowing packets to move.

connect command

Connect as specified by command, which may be a binary or shell command.

debug, -d

Increment the debugging level.

defaultroute

Add a new default route in which the peer is the gateway. When the connection shuts down, remove the route.

-detach

Operate in the foreground. By default, pppd forks and operates in the background.

disconnect command

Close the connection as specified by command, which may be a binary or shell command.

domain d

Specify a domain name of d.

escape character-list

Escape all characters in character-list, which should be a comma-separated list of hex numbers. You cannot escape 0x20-0x3f or 0x5e.

file file

Consult file for options.

lock

Allow only pppd to access the device.

mru bytes

Refuse packets of more than bytes bytes.

name name

Specify ...