From owner-FreeBSD-net-jp@jp.freebsd.org  Wed Aug  6 16:23:10 1997
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Message-Id: <199708060723.QAA00802@isetan.shinjuku.TokyoNet.AD.JP>
To: FreeBSD-net-jp@jp.freebsd.org
In-reply-to: Your message of "Tue, 05 Aug 97 23:35:19 MST."
             <199708060635.XAA00675@silvia.HIP.Berkeley.EDU> 
Date: Wed, 06 Aug 1997 16:23:06 +0900
From: Takeshi Amaike <amaike@TokyoNet.AD.JP>
Reply-To: FreeBSD-net-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute [version 2.1 (Alpha) patchlevel=20]
X-Sequence: FreeBSD-net-jp 19
Subject: [FreeBSD-net-jp 19] Re: weird routing 
Errors-To: owner-FreeBSD-net-jp@jp.freebsd.org
Sender: owner-FreeBSD-net-jp@jp.freebsd.org

  $B$"$^$$$1$G$9!#(B
  $B$"$^$j$KLLGr$$$s$G!"<+J,$NC<Kv$K(B DE500$B$rDI2C$7$FM7$s$8$c$$$^$7$?!#(B

  ip address$B$O(Bfake$B$G$9!#(B

    $B@$3&(B
      |
 202.218.74.4 (router)
      |
 [202.218.74/29]
      |                           
      |        de0   FreeBSD    de1                 
      |         +----------------+               +--------+
      +--- 202.218.74.5  = 202.218.74.2 --- 202.218.74.1  |
      |         +----------------+               +--------+
  
$B7R$0A0!'(B
----------------------------------------------------------------------
# netstat -nr
Routing tables

Internet:
Destination        Gateway            Flags     Refs     Use     Netif Expire
default            202.217.74.4       UGSc        5       13       de0
127.0.0.1          127.0.0.1          UH          1       63       lo0
202.218.74.0/29    link#1             UC          0        0 
202.218.74.4       0:0:c:8:5:7d       UHLW        6        0       de0    618
202.217.74.5       0:40:c7:94:f:53    UHLW       10     3599       lo0
#
# arp -a
gondwana-gw.Gondwana.Chofu.Tokyo.JP (202.217.74.4) at 0:0:c:8:5:7d
adelicia.Gondwana.Chofu.Tokyo.JP (202.239.60.243) at 0:40:c7:94:f:53 permanent
----------------------------------------------------------------------

$BA`:n!'(B
----------------------------------------------------------------------
# ifconfig de1 inet 202.218.74.2 netmask 255.255.255.252
# ifconfig de1
de1: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 202.218.74.2 netmask 0xfffffffc broadcast 202.218.74.3
        ether 00:00:f8:04:56:e0 
#
# netstat -nr
Routing tables

Internet:
Destination        Gateway            Flags     Refs     Use     Netif Expire
default            202.239.60.241     UGSc        5       23       de0
127.0.0.1          127.0.0.1          UH          1       63       lo0
202.218.74.0/30    link#2             UC          0        0 
202.218.74.0/27    link#1             UC          0        0 
202.218.74.4       0:0:c:8:5:7d       UHLW        6        0       de0    292
202.218.74.5       0:40:c7:94:f:53    UHLW       10     4582       lo0
#
# ping 202.218.74.1
PING 202.218.74.1 (202.218.74.1): 56 data bytes
64 bytes from 202.218.74.1: icmp_seq=0 ttl=255 time=0.469 ms
64 bytes from 202.218.74.1: icmp_seq=1 ttl=255 time=0.397 ms
^C
----------------------------------------------------------------------

  $B$A$&$o$1$G!"$H$j$"$($:(B Point-to-Point $BB&$K(B /30$B$N%M%C%H%o!<%/$r$G$C$A$"$2!"(B
VLSM$B$K4|BT$9$k!"$H$$$&$N$GG!2?$G$7$g$&$+!#(B

$B!tB>$N?M$X$N%"%J%&%s%9$O!"(Bproxy arp $B$G$M(B ;-)
--
					$B$"$^$$$1!wEl5~%$%s%?!<%M%C%H(B
					amaike@TokyoNet.AD.JP

