Am 01.09.2014 um 11:35 schrieb nampt2: > Hi, > I have question about /etc/ppp/ip-down > > What 's the script call this one when ppp interface down ? The call of a script by that name is hardcoded in the pppd. > Or how can i check it's working ? Create a script /etc/ppp/ip-down.local and let it write information into an output file under /tmp for example. Why should it not work? > Thanks, > Nam. If you are still running CentOS 6.4 as you say in the subject, then update ASAP. Alexander