Dial on Demand problem

[ncksm at hermes.pylones.gr]

Prospathw na ftiaksw ena dial on demand systhma me RedHat 7 kai ISDN
modem Zyxel OMNI LCD kai antimetwpizw to parakatw provlima.
An sto arxeio /etc/ppp/options dwsw idle 15 (15 sec) ola pane kala kai to
modem kleinei meta apo 15 sec. An h timh einai megalyterh px 60 sec tote
to modem den kleinei pote. Parathrw oti xwris na kanw tipota (kai exontas
bgalei to LAN) oti sto modem yparxei mia stigmiaia drash (blepw ta RX kai
TX) me apotelesma (mallon) na ksanaksekina to metrima twn 60 sec. Exo
kleisei ola sxedon ta deamons (squid, sendmail klp) alla den allazei
tipota. Me to TCPDUMP -A den blepw kanena paketo ektos apo kati rip sthn
arxh toy connection.
Exw dokimasei na syndethw se diaforetikoys providers, alla pali den
allazei tipota.

Mhpws kserei kaneis th lysh???