# /etc/ppp/options 
# Default options for pppd. More options can be specified at the startup
# of pppd or in the peers file.
#
# use the modem control lines
modem
# Use uucp style locks to ensure exclusive access to the serial device
# Please, don't forget the 'lock' option or some programs such as mgetty 
# will not work. 
lock
# use hardware flow control
crtscts
# create a default route for this connection in the routing table
defaultroute
# use a maximum transmission packet size of 1500 bytes
mtu 1500
# use a maximum receive packet size of 552 bytes
#mru 552
#
# debug all control sequences. You need the entry daemon.debug
# in /etc/syslog.conf 
debug
#
# Run the executable or shell command specified after pppd has
# terminated the link. This script could, for example, issue commands
# to the modem to cause it to hang up if hardware modem control signals
# were not available. ath0 terminates the connection.
# This option is not necessary if the options crtscts and modem
# are used above.
#disconnect "chat -- \d+++\d\c OK ath0 OK"
#-------END