From owner-FreeBSD-net-jp@jp.freebsd.org  Wed Aug  6 13:43:11 1997
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Date: Tue, 5 Aug 1997 21:38:27 -0700 (PDT)
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To: FreeBSD-net-jp@jp.FreeBSD.org
In-reply-to: <199708060414.NAA18854@mx.alexon.co.jp> (message from YAMAguchi*core*YASUyuki on Wed, 6 Aug 97 13:18:05 +0900)
From: asami@cs.berkeley.edu (Satoshi Asami)
Reply-To: FreeBSD-net-jp@jp.freebsd.org
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Subject: [FreeBSD-net-jp 5] Re: weird routing
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 * $B;38}!w%"%l%/%=%s(B $B$G$9!#(B

$B$I$&$b!"@u8+$G$9!#%U%)%m!<$"$j$,$H$&$4$6$$$^$9!#(B

 * $B$J$s$+!"$9$4$$$G$9$M!#(B(^.^;

$B;d$b$=$&;W$$$^$9!#(B(^_^;)

 * FreeBSD $B$N%P!<%8%g%s$,$h$/$o$+$i$J$$$G$9$,!"(B

$B$9$_$^$;$s!#%P!<%8%g%s$O(B 2.2-stable$B$G$9!#(B

 * 					       $BDL>o(B IP forword $B$,(B off
 * $B$K$J$C$F$$$^$9!#$G$9$+$i!"(B kernel $B$r:n$jD>$9I,MW$,$"$j$^$9$M!#(B


/etc/rc.conf$B$G(B gateway_enable$B$r;XDj$7$F$"$k$N$G%Q%1%C%H$ODL$k$O$:$G$9!#(B
$B!JA0$N%a!<%k$K$b=q$$$?DL$j!"D>@\(B "route add" $B$9$l$P(B FreeBSD$B%^%7%s$HF1(B
$B$8%5%V%M%C%H$N%^%7%s$+$i$O(B LoseNT$B$N%^%7%s$,8+$($^$9!#!K(B

===
# route add 192.168.0.2 128.32.45.188
add host 192.168.0.2: gateway 128.32.45.188
# traceroute 192.168.0.2
traceroute to 192.168.0.2 (192.168.0.2), 30 hops max, 40 byte packets
 1  m12 (128.32.45.188)  0.643 ms  0.492 ms  0.449 ms
 2  192.168.0.2 (192.168.0.2)  0.721 ms  0.619 ms  0.574 ms
# route delete 192.168.0.2 
delete host 192.168.0.2
# traceroute 192.168.0.2
traceroute to 192.168.0.2 (192.168.0.2), 30 hops max, 40 byte packets
 1  128.32.45.1 (128.32.45.1)  0.904 ms  0.680 ms  0.657 ms
 2  inr-181-soda-40-fddi.Berkeley.EDU (128.32.40.1)  1.541 ms  1.767 ms  1.250 ms
 3  f2-0.inr-107-eva.Berkeley.EDU (128.32.120.107)  1.662 ms  1.552 ms  1.392 ms
 4  f8-0.inr-666-eva.Berkeley.EDU (128.32.2.2)  2.179 ms  2.301 ms  2.145 ms
 5  bgty2.berkeley.edu (198.128.16.31)  1.790 ms  2.074 ms  2.341 ms
 6  144.228.146.49 (144.228.146.49)  4.811 ms  5.580 ms  4.849 ms
^C
#
===

 * $B$"$H!"(B LoseNT $B$H(B FreeBSD $B$rF1$8(B subnet $B$G;H$&$J$i!"(B Proxy ARP $B$N(B
 * $B%*%W%7%g%s$r$d$O$j(B kernel $B$KF~$l$F$d$i$J$$$H%@%a$J5$$,$7$^$9!#(B
 * $B$?$@!"(B Proxy ARP $B$r$9$k$H(B LoseNT $B$N%Q%1%C%H$r?b$lN.$9;v$K$J$j$^$9!#(B
 * IP Filter $B$r;H$&$+!"0c$&%"%I%l%9BN7O$K$7$F(B routing $B$9$kI,MW$,$"(B
 * $B$j$=$&$G$9!#(B

Proxy ARP$B$G$9$+!)(B /sys/i38f/conf/LINT$B$r8+$F$b$=$l$i$7$$$b$N$O$J$$$N$G(B
$B$9$,!"$J$s$H$$$&%*%W%7%g%s$J$N$G$7$g$&$+!#(B

$B$"$5$_(B
