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6. PPP Configuration

Make an easy link to your modem device:

ln -s /dev/ttyS1 /dev/modem

Now change to the /usr/sbin directory and look for ppp files. Look for either a pppsetup or a pppconfig script. You may directly start this script to set up PPP on your system. On my Slackware system I typed pppsetup and started the script. This script asks for various parameters for connecting via the ISP.

Refer to Section 3 for Username and Password.

Finally it shows you your configuration.

Some more work needs to be done. We need to edit the options file present in the /etc/ppp folder. We need to check if the following entries are present in the file:


lock
defaultroute
noipdefault
modem
/dev/ttyS1
115200
crtscts
noauth
passive
asyncmap 0

Note The noauth option
 

Remember that noauth is by default commented; you need to uncomment it.

You can use egrep -v '#|^ *$' /etc/ppp/options to list only the options present in this file so as to quickly judge which ones are missing or incorrect.