ppp-2.3.5 (PPP)

Configure

• Check a MODEM connection

  # echo at > /dev/ttyS0

• /etc/sysconfig/network-scripts/ifcfg-ppp0

  PERSIST=yes DEFROUTE=yes ONBOOT=no INITSTRING=ATZ MODEMPORT=/dev/ttyS0 LINESPEED=115200 ESCAPECHARS=no DEFABORT=yes HARDFLOWCTL=yes DEVICE="ppp0" PPPOPTIONS= DEBUG=yes PAPNAME= REMIP= IPADDR= BOOTPROTO=none MTU= MRU= DISCONNECTTIMEOUT= RETRYTIMEOUT=0 USERCTL=yes NETMASK=""

• /etc/sysconfig/network-scripts/chat-ppp0

  Example

  Modem Initial Command	ATZ
  Access Point Phone No	100
  User Name	hogeuser
  Password	hogepassword

Notice: Initial command is depend on your modem. If ATZ command can not, tryAT&FX0 or check AT command of your modem.

• Change the file permission

  # chmod 700 chat-ppp0

  How to connect

• Make a connection script /root/bin/pppup

  #!/bin/sh cd /etc/sysconfig/network-scripts/ ./ifup-ppp ./ifcfg-ppp0

• Change file permission

  # chmod 700 pppup

• Connect

  # pppup

  How to disconnect

• Make a disconnection script /root/bin/pppdown

  #!/bin/sh kill -9 `ps ax | awk '/ppp-watch/ {print $1}'` &> /dev/null cd /etc/sysconfig/network-scripts ./ifdown-ppp ./ifcfg-ppp0 kill -9 `ps ax | awk '/ppp/ {print $1}'` &> /dev/null

• Change file permission

  # chmod 700 pppdown

• Disconnect

  # pppdown

  Make a Schedule

  Sample Dial Up Time Schedule

  0	Sunday
  1	Monday	9:00-10:00 14:00-15:00
  2	Tuesday	9:00-10:00 14:00-15:00
  3	Wednesday	9:00-10:00 14:00-15:00
  4	Thursday	9:00-10:00 14:00-15:00
  5	Friday	9:00-10:00 14:00-15:00
  6	Saturday	9:00-10:00

  # crontab -e

  # Connect 0 9  * * 1-6 /root/bin/pppup 0 14 * * 1-5 /root/bin/pppup # Disconnect 0 10 * * *   /root/bin/pppdown 0 15 * * *   /root/bin/pppdown

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