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Date: Wed, 29 Sep 1999 18:47:22 +0900
From: Kazuyuki Iijima <iijima@ctn.co.jp>
To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 46100] How to change host IP address without reboot
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$B$$$$$8$^!w#C#T#N$H?=$7$^$9!#(B

FreeBSD2.2.8 $B$NC<Kv$N(B IP $B%"%I%l%9$r0lDj;~4V$4$H$KJQ99$7$F!"(B
ftp$B$d(Bhttp $B$G%@%&%s%m!<%I!&%"%C%W%m!<%I$J$I$N%F%9%H$r9T$*$&$H$7$F$$$k(B
$B$N$G$9$,9T$-5M$^$C$F$7$^$$$^$7$F!"=u8@$rD:$-$?$$$N$G$9$,(B...

$B!t!!C<Kv$N(BIP $B%"%I%l%9$r$_$FBS0h@)8f$d2]6b$r$9$k%7%9%F%`$N%F%9%H(B
$B!!!!$r$7$h$&$H$7$F$$$^$9!#(B

$BC<Kv(B FMV590T2
IP $B$O(B $B5l(B) 10.121.16.2 -> $B?7(B) 10.121.16.3
$B%G%U%)%k%H%2!<%H%&%'%$(B 10.121.16.1
$B%5%V%M%C%H%^%9%/(B 255.255.252.0

IP $BJQ99A0$O(B
$B%G%U%)%k%H%2!<%H%&%'%$!"B>$N%M%C%H%o!<%/$NC<Kv!"<+J,$N%M%C%H%o!<%/$N(B
$BB>$NC<Kv!"<+J,$NC<Kv$K(B ping $B$rBG$C$F@5>o$KJVEz$,$"$j!"(Bftp $B$d(B http $B$b(B
$BLdBjL5$/MxMQ=PMh$F$$$^$7$?!#(B

IP $B$rJQ$($k$K$O(B ifconfig $B$r;H$&$@$m$&$H;W$$(B

su
ifconfig ed0 down
ifconfig ed0 inet 10.121.16.3 netmask 255.255.252.0
ifconfig ed0 up

$B$H$7$^$7$?!#(B

ping 10.121.16.3

$B$H?7$7$$(BIP$B08$F$K(B ping $B$rBG$D$H$O@5>o$KJV$C$F$-$^$9$,!"(B
$B$=$NB>$N%[%9%H$KBG$C$F$bA4$/JVEz$,L5$$$N$G:$$C$F$$$^$9!#(B

$B%G%U%)%k%H%2!<%H%&%'%$$r;XDj$7$J$*$5$J$$$H$$$1$J$$$+$b!)$H$$$&OC$r(B
$BM'?M$+$iJ9$$$?!J$=$NM'?M$b21B,$G8@$C$F$$$k$N$G$9$,!K$N$G!"(B

route flush
route add default 10.121.16.1

$B$H;XDj$7$?$H$3$m!"B>$N%M%C%H%o!<%/08$F$N(B ping $B$ODL$k$h$&$K$J$j$^$7$?$,!"(B
$B<+J,$N%M%C%H%o!<%/$N$[$+$N%[%9%H$d(B10.121.16.1($B%G%U%)%k%H%2!<%H%&%'%$(B )
$B08$F$K(B ping $B$rBG$C$F$bA4$/JVEz$,$"$j$^$;$s!#(B

$B!t!!$=$b$=$b(B route $B%3%^%s%I$r$I$&;H$($P$$$$$+$bNI$/$o$+$C$F$$$J$+$C$?(B
$B!!!!$N$G$9$,$H$j$"$($:$3$l$G$&$^$/DL$j$^$7$?(B(^^;

$B$J$*!"(Bifconfig $B$9$kA0$H!"(Bifconfig $B$7$F!"(Broute add $B$7$?8e$H$G!"(B
netstat -rn$B$NI=<($r(B diff $B$7$F$_$k$H(B Refs $B$H(B Expire $B$N?tCM$,0c$C$F(B
$B$$$k0J30$OF1$8I=<($,$5$l$^$7$?!#(B

$B$I$&$9$l$P:F5/F0$;$:$K(B IP $B$rJQ99$7$F%F%9%H$,=PMh$k$G$7$g$&$+!)(B
$B$3$l$,$&$^$/$$$1$P!"(Bcron $B$KEPO?$7$F<+F0E*$K(B IP $B$rJQ$($J$,$iB,Dj$r9T$$(B
$B$?$$$H;W$C$F$$$k$N$G$9$,(B...

$BJL$N%"%W%m!<%A$H$7$F!"(Bifconfig $B$N%(%$%j%"%9$r;H$C$F0lKg$N(B NIC $B$K(B
$BJ#?t(B IP $B$r3d$jEv$F$F!"%@%&%s%m!<%I$r$9$k:]$K$I$N(B IP $B$r;H$&$+$rJQ99$9$k(B
$B$J$s$F$$$&$3$H$b=PMh$J$$$+$J(B... $B$H;W$C$F$$$k$N$G$9$,(B...

$B!t!!%a!<%k$r=q$$$F$$$kC<Kv$H%F%9%H4D6-$NC<Kv$,N%$l$F$$$k$?$a$K(B
$B!!!!%3%^%s%I$N=PNO7k2L$r>J$$$F$$$F?=$7Lu$"$j$^$;$s(B

---
$BHSEg!!0l9T(B
$B3t<02q<R%7%F%#%F%l%SCfLn(B
E-mail: iijima@ctn.co.jp

