in-kernel pppoe

[OS rider <nakazintuyosi_(_at_)_nakajin_(_dot_)_dyndns_(_dot_)_org>]

Hi ,all .  My name is tuyoshi , a japanese .

I can start in-kernel pppoe with the follwowing steps.
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ifconfig pppoe0 create
ifconfig pppoe0 pppoedev fxp0
ifconfig fxp0 up
spppcontrol pppoe0 myauthproto=pap myauthname=ID myauthkey=PASSWD
ifconfig pppoe0 inet 0.0.0.0 0.0.0.1 netmask 0xffffffff
route add default 0.0.0.1
ifconfig pppoe0 up 
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 But the connecion is cut , "in-kenel pppoe" connection is down , too .
 The "in-kenel pppoe" connection is never recovered automatically .
 A man in Japan says that he is monitoring  "in-kenel pppoe" with a cron shell script
 and when "in-kenel pppoe" connection is down , he starts agein  "in-kenel pppoe" with the same cron shell script .
( I myself do not know the method  .)

Are there more sophistcated way ?
I am sorry for my poor english .
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Mail : nakazintuyosi_(_at_)_nakajin_(_dot_)_dyndns_(_dot_)_org