Check modem & port (usually ttyS1) with minicom (you may have to set up minicom first with minicom -s)
ttyS0 = COM1, ttyS1 = COM2…
Install mgetty if not already installed -> check with rpm -q mgetty
edit /etc/inittab to reflect respawning of modem (add line similar to):
S1:23456:respawn:/sbin/mgetty ttyS1 -m ‘”” ATW0&F0&V0S0=0E1Q0V1&C1&S0M0 OK’ -s 115200 -n 1 -D on
or simply
S1:23456:respawn:/sbin/mgetty ttyS1 -s 115200 -n 1 -D on
Note: ATW0….. are command passed to the modem at respawn. Check if correct for your modem.
edit login.config:
vi /etc/mgetty+sendfax/login.config
add following line
/AutoPPP/ – ppp /usr/sbin/pppd auth -chap +pap login
add the following line to /etc/ppp/pap-secrets:
* * “” *
Create /etc/ppp/options.ttyS1 similar to:
192.168.100.3:192.168.80.9
# authentication can either be pap or chap. As most people only want to
# use pap, you can also disable chap:
require-pap
refuse-chap
# Specify which DNS Servers the incoming Win95 or WinNT Connection should use
# Two Servers can be remotely configured
ms-dns 192.168.100.4
ms-dns 192.168.100.1
# Netbios
ms-wins 192.168.100.11
ms-wins 192.168.100.7
# Require the peer to authenticate itself before allowing network
# packets to be sent or received.
# Please do not disable this setting. It is expected to be standard in
# future releases of pppd. Use the call option (see manpage) to disable
# authentication for specific peers.
#auth
# Use hardware flow control (i.e. RTS/CTS) to control the flow of data
# on the serial port.
crtscts
# Specifies that pppd should use a UUCP-style lock on the serial device
# to ensure exclusive access to the device.
lock
# Use the modem control lines.
modem
# Use the system password database for authenticating the peer using
# PAP. Note: mgetty already provides this option. If this is specified
# then dialin from users using a script under Linux to fire up ppp wont work.
login
# Specifies that pppd should disconnect if the link is idle for n seconds.
#idle 1800
# Disable the IPXCP and IPX protocols.
noipx
# —<End of File>—
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