DA-710 Series Linux
Managing Communications
3-20
Try typing:
#netstat -nr
This should show three routes similar to the following:
Kernel routing table
Destination Gateway Genmask
Flags Metric Ref Use
iface
129.67.1.165 0.0.0.0 255.255.255.255 UH
0
0 6
ppp0
127.0.0.0 0.0.0.0 255.0.0.0
U
0
0 0 lo
0.0.0.0
129.67.1.165 0.0.0.0
UG
0
0 6298
ppp0
If your output looks similar but does not have the “destination 0.0.0.0” line (which refers to the default route
used for connections), you may have run pppd without the
defaultroute
option. At this point, you can try
using Telnet, ftp, or finger, bearing in mind that you will have to use numeric IP addresses unless you have
configured
/etc/resolv.conf
correctly.
Setting up a Machine for Incoming PPP Connections
Method 1: pppd dial-in with pppd commands
This first example applies to using a modem, and requiring authorization with a username and password.
#pppd /dev/ttyM0 115200 crtscts modem 192.168.16.1:192.168.16.2 login auth
You should also add the following line to the file
/etc/ppp/pap-secrets
:
* * “” *
The first star (*) lets everyone login. The second star (*) lets every host connect. The pair of double quotation
marks (“”) indicates that the file
/etc/passwd
can be used to check the password. The last star (*) is to let
any IP connect.
The following example does not check the username and password:
# pppd/dev/ttyM0 115200 crtscts modem 192.168.16.1:192.168.16.2
Method 2: pppd dial-in with pppd script
Configure a dial-in script
/etc/ppp/peer/dialin
# You usually need this if there is no PAP authentication
noauth
#auth
#login
# The chat script (be sure to edit that file, too!)
init "/usr/sbin/chat -v -f /etc/ppp/ppp-ttyM0.chat"
# Set up routing to go through this PPP link
defaultroute
# Default modem (you better replace this with /dev/ttySx!)
/dev/ttyM0
# Speed
115200
