From owner-FreeBSD-users-jp@jp.freebsd.org  Tue Jan 30 00:34:51 1996
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To: FreeBSD-users-jp@jp.freebsd.org
Cc: sato@ylkai.yanagi.toshiba.co.jp
From: Tomoaki SATO <sato@tomoaki.imasy.or.jp>
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Date: Tue, 30 Jan 1996 00:33:12 +0900
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Subject: [FreeBSD-users-jp 66] TNX > Re: Q:ifconfig alias
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$B:4F#!w(Bimasy$B$H$b$&$7$^$9!#(B

$B>.;3$5$s!"?78+$5$s(Breply$B$I$&$b$"$j$,$H$&$4$6$$$^$9!#$*Fs?M$N%"%I%P%$(B
$B%9$K$h$j4uK>$NDL$j$NF0:n$r$5$;$k$3$H$,$G$-$^$7$?!#(B

$B8f2sEz$NMWLs$r$^$H$a$k$^$G$b$"$j$^$;$s$,0l1~=q$-$^$9!#(B

$BLdBj!'(B
infconfig$B$N(Balias$B5!G=$r;H$C$F(Binterface$B$K#2$D$N(Baddress$B$r3d$jEv$F$?$$!#(B


$B8f2sEz!'(B
$BBh#1E@L\(B
/usr/src/sbin/ifconfig/ifconfig.c$B$h$j0J2<$N$h$&$KI=5-$9$k;v$,J,$+$k!#(B

ifconfig ed0 202.227.25.75 alias

$BBh#2E@L\(B
alias$B$r5!G=$5$;$k0Y$K$O(Ball 1$B$N(Bnetmask$B$,I,MW$G$"$k!#(B

netmask 255.255.255.255


$B<B9TNc!'(B
ifconfig ed0$B$H$7$F$b(Balias$B$K4X$9$kI=<($O$7$^$;$s$,(Balias$B$5$l$?(Baddress$B$K(B
ping$B$9$k$HH?1~$,$7$C$+$j5"$C$FMh$^$7$?!#(B

gw# ifconfig -ed0
ed0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 202.227.25.73 netmask 0xfffffff8 broadcast 202.227.25.79
        ether 00:c0:df:47:26:1e
gw# ifconfig ed0 netmask 255.255.255.255 202.227.25.75 alias
gw#  ifconfig -ed0
ed0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 202.227.25.73 netmask 0xfffffff8 broadcast 202.227.25.79
        ether 00:c0:df:47:26:1e
gw# ping 202.227.25.75
PING 202.227.25.75 (202.227.25.75): 56 data bytes
64 bytes from 202.227.25.75: icmp_seq=0 ttl=255 time=0.662 ms
64 bytes from 202.227.25.75: icmp_seq=1 ttl=255 time=0.585 ms
^C
--- 202.227.25.75 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 0.585/0.623/0.662 ms


$B0J2<$N$h$&$J<B83$r$7$F$_$^$7$?!#(B

arp$B$G$O(Balias$B$5$l$?(Baddress$B$,Ez$($^$9$,!"(Bbroadcast address$B$K(Bping$B$9$k$H(B
$B85$NJ}$N(Baddress$B$,Ez$($^$9!#$J$s$+IT;W5D$G$9!#(B

gw# arp -a
fake.tomoaki.imasy.or.jp (202.227.25.75) at 0:c0:df:47:26:1e permanent
gw# ping 202.227.25.79
PING 202.227.25.79 (202.227.25.79): 56 data bytes
64 bytes from 202.227.25.73: icmp_seq=0 ttl=255 time=1.020 ms
64 bytes from 202.227.25.73: icmp_seq=1 ttl=255 time=0.737 ms
^C
--- 202.227.25.79 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 0.737/0.878/1.020 ms


$B!t:#=5Kv!";d$b(Bjaist$B$K9T$-$^$9!#(B> $B>.;3$5$s(B
---
$B:4F#(B $BCR><(B [$B$5$H$&(B $B$H$b$"$-(B]

office:<sato@ylkai.yanagi.toshiba.co.jp>
home:<sato@tomoaki.imasy.or.jp>

