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<TITLE>Leased line Mini HOWTO: PPPD</TITLE>
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<H2><A NAME="s4">4. PPPD</A></H2>
<P>pppd(Point to Point Protocol Daemon) $B$rMQ0U$7$F!"(Bpppd $B$rF0$+$9$N$KI,MW$JCN<1(B
$B$r?H$K$D$1$FF0:n$5$;$F$/$@$5$$!#4XO"$9$k(B RFC $B$N%I%-%e%a%s%H$d(B
<A HREF="http://metalab.unc.edu/linux/HOWTO/PPP-HOWTO.html">Linux PPP HOWTO</A>$B$rD4$Y$F$/$@$5$$!#(B
$BAj<jB&$N%^%7%s$K%m%0%$%s$9$kM=Dj$,$J$1$l$P!"(B(m)getty $B$OI,MW$"$j$^$;$s!#(B
$B$^$?(B ppp $B@\B3$N@)8f$KI,MW$J(B($B%@%_!<$N(B)$B%f!<%6!&%"%+%&%s%H$b$$$j$^$;$s!#Aj<j(B
$B$K%@%$%d%k$9$kI,MW$,$J$$$N$G!"(Bchat $B%9%/%j%W%H$bITI,MW$G$9!#(B<BR>
$B<B:]$N$H$3$m%b%G%`$N2sO)$d$3$3$^$G9T$J$C$F$-$?@_Dj$O%L%k!&%b%G%`%1!<%V%k(B
$B$r;H$C$?@\B3$N;EJ}$H$[$H$s$IJQ$o$j$"$j$^$;$s!#$D$^$j(B pppd $B$N@_Dj$O%L%k!&(B
$B%b%G%`%1!<%V%k$r;HMQ$7$?>l9g$HF1$8$d$jJ}$G9T$J$&I,MW$,$"$k$H$$$&$3$H$G$9!#(B
<P>$B@\B3$r0BDj$5$;$k$?$a$K!"2<5-$N4p=`$K$7$?$,$C$F@_Dj$r9T$C$F$/$@$5$$!#(B
<UL>
<LI>pppd $B$,!"%7%9%F%`$N%V!<%HD>8e$K(B RS232 $B%]!<%H$G(B DTR $B$r(B ON $B$K$7!"(B
$BAj<j$N(B DCD $B$r8!=P$9$k$^$GBT5!>uBV$K$J$j$^$9!#(BDCD $B$,8!=P$5$l$?8e!"@\B3(B
$B$N$?$a$N%M%4!<%7%(%$%7%g%s$r9T$&$3$H(B</LI>
<LI>$BAj<jB&$N%7%9%F%`$,Mn$A$?>l9g$K!"(Bpppd $B$OAj<jB&$,I|5l$9$k$^$GBT$D$3$H(B</LI>
<LI>$B0lEY3NN)$5$l$?@\B3$,@ZCG$5$l$F$7$^$C$?>l9g!"(Bpppd $B$O%b%G%`$r%j%;%C%H(B
$B$7$^$9(B($B%j%;%C%H$9$k$H!"(BDTR $B$,(B OFF $B$K$J$C$F$+$i(B ON $B$K$J$j$^$9(B)$B!#$=$N8e(B
$B:F@\B3$r9T$&$3$H(B</LI>
<LI>$B2s@~>uBV$,$"$^$j$K$b0-2=$7$?>l9g!"(Bpppd $B$O%b%G%`$r%j%;%C%H$7$?8e!"(B
$B:F@\B3$r9T$&$3$H(B</LI>
<LI>$B@\B3$r@)8f$7$F$$$k(B pppd $B<+BN$,Mn$A$F$7$^$C$?>l9g!"$J$s$i$+$N4F;k%7%9(B
$B%F%`$r;H$C$F(B pppd $B$N:F5/F0$r$+$1$k$3$H(B</LI>
</UL>
<P>
<H2><A NAME="ss4.1">4.1 $B@_Dj(B</A>
</H2>
<P>COM2 $B$K%b%G%`$,@\B3$5$l$F$$$F!"$3$A$i$N%"%I%l%9$,!V(BLoc_Ip$B!W!"Aj<j$N%"%I(B
$B%l%9$,!V(BRem_Ip$B!W!"(BMTU $B$O(B 576 $B$H$9$k$H!"(B/etc/ppp/options.ttyS1 $B$O2<5-$N$h$&(B
$B$K$J$j$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
crtscts
mru 576
mtu 576
passive
Loc_Ip:Rem_Ip
-chap
modem
#noauth
-pap
persist
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>$B$3$A$iB&$,(B 192.168.1.1 $B$G(B $BAj<jB&$,(B 10.1.1.1 $B$J$i(B /etc/options.ttyS1
$B$O2<5-$N$h$&$K$J$j$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
crtscts
mru 576
mtu 576
passive
192.168.1.1:10.1.1.1
-chap
modem
#noauth
-pap
persist
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>$BAj<jB&$N%7%9%F%`$N(B options.ttyS1 $B$O2<5-$N$h$&$K$J$j$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
crtscts
mru 576
mtu 576
passive
10.1.1.1:192.168.1.1
-chap
modem
#noauth
-pap
persist
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>passive $B%*%W%7%g%s$O(B($B:F(B)$B@\B3?t$K@)8B$r$+$1$^$9(B(???)$B!#(Bpersist $B%*%W%7%g%s(B
$B$O!"@\B3$,@Z$l$?>l9g$d:G=i$N@\B3$,<:GT$7$?>l9g$K!"(Bpppd $B$r@\B3BT$A$N>uBV$K(B
$B$7$^$9!#(B
$B%U%!%$%kE>Aw(B(FTP $B$d(B Web $B%V%i%&%8%s%0(B)$B$r$7$J$,$i!"(Btelnet $B$r$h$/$D$+$&>l9g$O!"(B
MTU $B$d(B MRU $B$r(B 296 $B$0$i$$$N>.$5$$CM$K$7$?$[$,$$$$$+$b$7$l$^$;$s!#$3$&$9$k$H(B
$BAj<jB&$+$i$N(B telnet $B$N%l%9%]%s%9$,NI$/$J$k$O$:$G$9!#(B<BR>
telnet $B$N%l%9%]%s%9$r5$$K$7$J$$$J$i!"(BMTU $B$H(B MRU $B$O(B 1500 $B$K$7$?J}$,$$$$$G(B
$B$7$g$&!#(B
noauth $B%*%W%7%g%s$O?7$7$$%G%#%9%H%j%S%e!<%7%g%s$r;H$C$?;~$KI,MW$K$J$k>l9g(B
$B$,$"$j$^$9!#(B
<P>
<H2><A NAME="ss4.2">4.2 $B%9%/%j%W%H(B</A>
</H2>
<P>
<H2><A NAME="ss4.3">4.3 pppd $B$r5/F0$7$F!"(Bpppd $B$rMn$A$J$$$h$&$K$9$k(B</A>
</H2>
<P>$B2<5-$N(B /usr/local/sbin/PRem_Host.sh $B$O(B pppd $B$r5/F0$7$^$9!#$3$N%9%/%j%W%H(B
$B$r5/F0$9$kA0$K(B COM $B%]!<%H$r@_Dj$7$F$*$+$J$1$l$P$$$1$^$;$s(B(Rem_Host $B$O(B
$BAj<jB&$N%[%9%HL>$rI=$7$^$9(B)
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
# Optional sleep
#/usr/bin/sleep 30
( /usr/sbin/pppd /dev/ttyS1 115200 ) &
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>$B$3$N%9%/%j%W%H$O%M%C%H%o!<%/!&%+!<%I$r@_Dj$9$k%9%/%j%W%H(B(Debian $B$J$i(B
/etc/init.d/network)$B$+$i5/F0$9$k$h$&$K$7$F$/$@$5$$!#G0$N$?$a(B sleep $B$N9T$O(B
$B%3%a%s%H%"%&%H$7$F$/$@$5$$!#$=$&$7$?$i!"$^$:(B COM $B%]!<%H$r@_Dj$7$F$$$k$3$H(B
$B$r3NG'$7$F$/$@$5$$!#(Bsetserial $B$r;H$C$F$$$l$P$=$3$+$i8F$S=P$9$h$&$K$7$F(B
$B$/$@$5$$!#(Brc.local $B$+$i8F$S=P$7$F$b$+$^$$$^$;$s!#(B
Debian $B$G$O(B /etc/rc.boot/ $B$H$$$&%G%#%l%/%H%j$,$"$j$^$9!#(B
<A HREF="mailto:rolf@tardis.webster.nl">Rolf Raar </A>$B;a$K$h$k$H(B $B!"(B
$B$3$N%G%#%l%/%H%j$K$"$k%9%/%j%W%H$O!"%U%!%$%kL>$N%"%k%U%!%Y%C%H=g$K<B9T(B
$B$5$l$^$9!#(Bsetserial $B$N%9%/%j%W%H$O!"(B0setserial $B$H$7$F5/F0$5$l$^$9!#(B
2leased-lines $B$H$$$&L>A0$N%9%/%j%W%H$+$i8F$S=P$7$?>l9g!"$=$N%9%/%j%W%H$O(B
0setserial $B$N8e$K<B9T$5$l$^$9!#(B
<P>$B8E$$%7%9%F%`$G$O!"B.EY$r(B 115200 $B$K@_Dj$G$-$J$$$3$H$,$"$j$^$9!#$=$N>l9g$O!"(B
setserial $B$G!V(Bspd_vhi$B!W$H@_Dj$7$F$"$k$H$3$m$r(B 38400 $B$G@\B3$9$k$h$&$K@_Dj(B
$B$7$J$1$l$P$$$1$^$;$s!#(B
<P>persist $B%*%W%7%g%s$,%*!<%P!<$J$i!"(Bip-down $B$r;H$C$F(B pppd $B$r:F5/F0$9$k(B
$B$3$H$b$G$-$^$9!#(B
<P>
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
case $2 in
/dev/ttyS1)
/usr/bin/sleep 30
/usr/local/sbin/PRem_Host.sh &
;;
esac
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>pppd $B$,Mn$A$k$H!"(Bpersist $B%*%W%7%g%s$+(B ip-up $B%9%/%j%W%H(B($B$I$A$i$K$9$k$+A*Br(B)
$B$,(B pppd $B$N:F5/F0$r$+$1$^$9!#$b$7$3$l$G$b:F5/F0$7$J$$$J$i(B
/usr/local/sbin/test-Rem_Host-ppp $B%9%/%j%W%H$r;H$C$F!":F5/F0$r$+$1$i$l$^$9!#(B
$B$3$N%9%/%j%W%H$OAj<jB&$K@\B3$5$l$F$$$k%$%s%?%U%'!<%9$,B8:_$9$k$+$I$&$+$r(B
$B%A%'%C%/$7!"$b$7$J$1$l$P(B pppd $B$r5/F0$5$;$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
if ! ( /sbin/ifconfig | grep Rem_Ip > /dev/null )
then
if [ ! -f /var/lock/LCK..ttyS1 ]
then
# PPP gone
logger "Rem_Host PPP gone ; restarted"
/usr/local/sbin/PRem_Host.sh &
fi
fi
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>$B2<5-$N9T$r(B crontab $B$K@_Dj$7$F(B 5 $BJ,$*$-$K$3$N%9%/%j%W%H$rAv$i$;$^$9!#(B
$B$b$C$HC;$$4V3V$GF0$+$7$F$b$+$^$$$^$;$s$,!";d$O(B 2 $BJ,0J2<$K$O@_Dj$7$J$$J}$,(B
$B$$$$$H;W$$$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
*/5 * * * * /usr/local/sbin/test-Rem_Host-ppp
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>crontab $B$rJT=8$9$k$K$O!"!V(Bcrontab -e$B!W$H$7$F$/$@$5$$!#$3$&$9$l$PJT=8$,(B
$B=*$o$k$H!"(Bcron $B$,:F5/F0$7$^$9!#(Bcrontab $B$O!V(BEDITOR$B!W4D6-JQ?t$K@_Dj$5$l$F$$$k(B
$B%(%G%#%?$r5/F0$7$^$9!#$3$N4D6-JQ?t$O!"(B/etc/profile $B$+(B /.profile $B$K5-=R(B
$B$5$l$F$$$^$9(B(export EDITOR=$B$*9%$_$N%(%G%#%?(B)$B!#(B
<P>/etc/inittab $B$+$i(B pppd $B$r5/F0$9$k>l9g$b$"$j$^$9$,!"%F%9%H$7$F$$$^$;$s!#(B
<P>
<H2><A NAME="ss4.4">4.4 $B%k!<%F%#%s%0>pJs$N@_Dj(B</A>
</H2>
<P>$B%G%U%)%k%H!&%k!<%H$O!"(Bdefaultroute $B%*%W%7%g%s$G@_Dj$9$k$+!"(B/etc/ppp/ip-up
$B%9%/%j%W%H$G2<5-$N$h$&$K$7$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
case $2 in
/dev/ttyS1)
/sbin/route add -net 0.0.0.0 gw Rem_Ip netmask 0.0.0.0
;;
esac
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>Ip-up $B$O(B netdate $B$r;H$C$F%7%9%F%`;~7W$rF14|$5$;$k>l9g$K$b;H$o$l$^$9!#(B
<P>ip-up $B$GI,$:%G%U%)%k%H!&%k!<%H$N@_Dj$r$9$kI,MW$O$"$j$^$;$s!#(B
ip-set $B$GAj<jB&$X$N%k!<%F%#%s%0$r@_Dj$7!"Aj<jB&$G$b$3$A$iB&$X$N%k!<%F%#%s%0(B
$B$r@_Dj$9$l$P(B OK $B$G$9!#%M%C%H%o!<%/!&%"%I%l%9$,(B 192.168.1.0 $B$G!"(Bppp $B$N(B
$B%$%s%?!<%U%'!<%9!&%"%I%l%9$,(B 192.168.1.1 $B$H$9$k$H!"Aj<jB&$N(B ip-up $B%9%/%j%W%H(B
$B$O2<5-$NMM$K$J$j$^$9!#(B
<BLOCKQUOTE><CODE>
<HR>
<PRE>
#!/bin/bash
case $2 in
/dev/ttyS1)
/sbin/route add -net 192.168.1.0 gw 192.168.1.1 netmask 255.255.255.0
;;
esac
</PRE>
<HR>
</CODE></BLOCKQUOTE>
<P>$B!V(Bcase $2$B!W$H!V(B/dev/ttyS1)$B!W$NItJ,$O!"J#?t$N(B ppp $B@\B3$rMxMQ$7$F$$$k>l9g$K(B
$BMxMQ$5$l$^$9!#(BIp-up $B$O@\B3$9$kEY$K5/F0$7!"!V(B/dev/ttySx)$B!W(B $B$H(B $B!V(B;;$B!W$K(B
$B0O$^$l$?%3%^%s%I$r<B9T$9$k$@$1$G$O$J$/!"(BttyS $B$K9g$C$?%k!<%F%#%s%0>pJs$r(B
$B@_Dj$7$^$9!#(B
$B%k!<%F%#%s%0$K$D$$$F$N>\$7$$FbMF$O!"(B
<A HREF="http://metalab.unc.edu/linux/HOWTO/NET-3-HOWTO.html">NET-3-HOWTO</A>$B$N%k!<%F%#%s%0$r2r@b$7$F$$$k%;%/%7%g%s$K:\$C$F$$$^$9!#(B
<P>
<P>
<H2><A NAME="ss4.5">4.5 $B%F%9%H(B</A>
</H2>
<P>$B%b%G%`$r%F%9%H$7$?;~$HF1MM$K!";W$$$D$/$9$Y$F$N%F%9%H$r$7$F$/$@$5$$!#(B
<P>$B$&$^$/$$$C$?$i!"<+E><V$GAj<jB&$K@_CV$9$k%b%G%`$r;}$C$F$$$-$^$7$g$&!#(B<BR>
$B$&$^$/$$$+$J$+$C$?$i!"$^$:(B COM $B%]!<%H$NB.EY@_Dj$N%A%'%C%/$+$i$O$8$a$F$_$F(B
$B$/$@$5$$!#(B<BR>
$B$h$/$d$k%_%9$O!"(BMinicom $B$G%b%G%`$KDL?.B.EY$r@_Dj$7$F!"$=$l$+$i(B pppd $B$N(B
$B@_Dj$r$7$?;~$K!"%b%G%`$H$OJL$NB.EY$G@_Dj$r$7$F$7$^$&$H$$$&$b$N$G$9!#$?$V$s(B
$B$3$N%_%9$G$O$J$$$G$7$g$&$+!#$3$l$G$OF0:n(B<EM>$B$7$^$;$s(B</EM>$B!#B.EY$N@_Dj$O(B
$BF1$8$K$7$F$/$@$5$$!*(B
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