Installing and Administering PPP

26 Chapter 2
Setting Up PPP Connections
Configuration Overview
3. When a match of the speed is found in the Devices file, the dialer
field in the matching entry is noted. The Dialers file is then
searched for an entry that matches the dialer field in the Devices file
entry.
4. The phone number for lark is dialed.
5. The chat script specified for “lark” in the Systems file sends robin’s
login name and password to lark.
6. lark verifies robin’s password by comparing it to the entry in its
/etc/passwd file.
7. If the login is successful, the Login shell script specified in the
/etc/passwd entry is executed. The Login script starts pppd on lark
to communicate with pppd on robin. The two pppd’s negotiate and
establish a PPP connection.
Configuration Quick Reference
The following table shows the steps in configuring oubound and inbound
PPP connections. Each step is described in more detail in the sections
that follow the table.
Outbound Inbound
Step 1: Create device file with
dial-out or direct connect minor
number for serial port. See
“Creating Device Files for Serial
Ports.”
Step 1: Create device file with
dial-in minor number for serial
port. See “Creating Device Files
for Serial Ports.”
Step 2 (optional): Increase the
number of IP tunnels if needed (16
are created by default). See
“Increasing the Number of IP
Tunnels.”
Step 2 (optional): Increase the
number of IP tunnels if needed
(16 are created by default). See
“Increasing the Number of IP
Tunnels.”
Step 3: Configure your modem. See
“Configuring Your Modem.”
Step 3: Configure your modem.
See “Configuring Your Modem.”