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From: =?ISO-2022-JP?B?GyRCMXNGIxsoQiAbJEI9U001GyhC?= <endo_t@nifty.com>
To: FreeBSD-u <FreeBSD-users-jp@jp.FreeBSD.org>
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Date: Fri, 04 Apr 2003 02:30:03 +0900
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Subject: [FreeBSD-users-jp 73971] TTL expired in transit?
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: endo_t@nifty.com
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+030327

$B1sF#$H?=$7$^$9!#(B

$B$b!<$J$s$@$+$J!<!#$C$F46$8$J$N$G!"$I$J$?$+$*CN7C$r$*B_$7$/$@$5$$!#(B

$B8=:_(B vtund $B$K$h$k(B VPN $B$r:n$C$F$$$^$9!#(B
$B:#$^$G$3$NMM$J8=>]$KAx6x$7$?$3$H$,$"$j$^$;$s!#(B

$B?FB&(B
FreeBSD: 4.3-R
vtund: VTun ver 2.4 04/19/2001
ed1: 192.168.100.1

$B;RB&(B
FreeBSD: 4.5-R
vtund: VTun ver 2.4 01/23/2002
ed1: 192.168.103.1

$B$3$N>uBV$G(B
$B?F(B
tun1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
        inet 192.168.100.252 --> 192.168.103.253 netmask 0xffffff00
        Opened by PID 9772

$B;R(B
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
        inet 192.168.103.253 --> 192.168.100.252 netmask 0xffffff00
        Opened by PID 7024

$B$3$s$J46$8$K$7$F$^$9!#(B
$B;RB&$NG[2<$K$"$k(B win $B%^%7%s(B(2k)$B$+$i(B ping 192.168.100.1 $B$r<B9T$9$k$H(B
F:\>ping 192.168.100.1

Pinging 192.168.100.1 with 32 bytes of data:

Reply from 192.168.103.1: TTL expired in transit.
Reply from 192.168.103.1: TTL expired in transit.
Reply from 192.168.103.1: TTL expired in transit.
Reply from 192.168.103.1: TTL expired in transit.

$B$H8@$o$l$^$9!#(B
tracert $B$N7k2L$O0J2<$NDL$j$G$9!#(B
F:\>tracert 192.168.100.1

Tracing route to 192.168.100.1 over a maximum of 30 hops

  1   <10 ms   <10 ms   <10 ms  192.168.103.1
  2    10 ms   <10 ms   <10 ms  192.168.103.254
  3   <10 ms   <10 ms   <10 ms  192.168.103.1
  4   <10 ms   <10 ms   <10 ms  192.168.103.254
  5    10 ms   <10 ms   <10 ms  192.168.103.1
  6    10 ms   <10 ms   <10 ms  192.168.103.254
  7    10 ms   <10 ms   <10 ms  192.168.103.1
  8   <10 ms   <10 ms    10 ms  192.168.103.254
  9   <10 ms    10 ms   <10 ms  ^C

win $B$N%"%I%l%9$O(B 192.168.103.2 $B$G$9!#(B
$B$3$l$O%k!<%?(B 192.168.103.254 $B$+$i(B DHCP $B$G%"%I%l%9$r$b$i$C$F$$$^$9!#(B
$B!J=j!9(B snip$B!K(B

F:\>netstat -rn

Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
          0.0.0.0          0.0.0.0  192.168.103.254   192.168.103.2       1
        127.0.0.0        255.0.0.0        127.0.0.1       127.0.0.1       1
    192.168.103.0    255.255.255.0    192.168.103.2   192.168.103.2       1
    192.168.103.2  255.255.255.255        127.0.0.1       127.0.0.1       1
  192.168.103.255  255.255.255.255    192.168.103.2   192.168.103.2       1
        224.0.0.0        224.0.0.0    192.168.103.2   192.168.103.2       1
  255.255.255.255  255.255.255.255    192.168.103.2   192.168.103.2       1
Default Gateway:   192.168.103.254

$B;RB&$N(B FreeBSD $B$G%k!<%F%#%s%0%F!<%V%k$r8m$C$?$+$H;W$$!"(B
$B8+D>$7$F$b(B

vinus# netstat -rn
Routing tables

Internet:
Destination        Gateway            Flags    Refs      Use  Netif Expire
default            192.168.103.254    UGSc        4    44309    ed1
127.0.0.1          127.0.0.1          UH         12       24    lo0
192.168.100        192.168.100.252    UGSc        1      277   tun0
192.168.100.252    192.168.103.253    UH          2        9   tun0
192.168.103        link#2             UC          4        0    ed1
192.168.103.1      0:0:e8:15:2a:71    UHLW        0       22    lo0
192.168.103.2      0:80:45:10:c9:9f   UHLW       22     7007    ed1   1084
192.168.103.254    0:7:40:48:33:8a    UHLW        5        0    ed1    455

$BFC$KJQ$o$C$?$H$3$m$O$"$j$^$;$s!#(B

$B$3$N>uBV$GJL%k!<%H$+$i?FB&$K(B login $B$7!"(B192.168.103.2 $B$K(B ping $B$r7b$D$H!"(B
$B@5$7$/Ez$($,JV$C$F$-$^$9!#(B

$B$9$k$H!#!#!#!#$3$N8e!"(Bwin $B$+$i?F$N(B FreeBSD(192.168.100.1)$B$K(B ping $B$r(B
$B7b$D$H@5$7$/1~Ez$,JV$C$F$-$^$9!#(B

$B<B$O=i$a$O;RB&$b?FB&$b(B 252 $B$G$b(B 253 $B$G$bL5$/(B 192.168.10?.1 $B$K$7$F(B
vtund $B$r5/F0$7$F$$$^$7$?!#$3$l$G$bF1$8$G$9!#(B

$B$G!":#2s$O%"%I%l%9$rJQ99$7$F$_$?Lu$G$9$,!";RB&$+$i(B 192.168.100.252 $B$K(B
ping $B$r7b$D$H!"(B

F:\>ping 192.168.100.252

Pinging 192.168.100.252 with 32 bytes of data:

Reply from 192.168.100.252: bytes=32 time=100ms TTL=254
Reply from 192.168.100.252: bytes=32 time=100ms TTL=254
Reply from 192.168.100.252: bytes=32 time=100ms TTL=254
Reply from 192.168.100.252: bytes=32 time=90ms TTL=254

Ping statistics for 192.168.100.252:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 90ms, Maximum =  100ms, Average =  97ms

$B$H$J$C$F@5$7$/JV$C$F$/$k$N$G!"(B
tracert $B$r<B9T$9$k$H(B

F:\>tracert 192.168.100.252

Tracing route to SATURN [192.168.100.252]
over a maximum of 30 hops:

  1   <10 ms   <10 ms   <10 ms  192.168.103.1
  2   101 ms    90 ms    90 ms  SATURN [192.168.100.252]

Trace complete.

$B$H$J$j!"7k2LE*$K(B

F:\>tracert 192.168.100.1

Tracing route to SATURN [192.168.100.1]
over a maximum of 30 hops:

  1   <10 ms    10 ms   <10 ms  192.168.103.1
  2   110 ms   100 ms   100 ms  SATURN [192.168.100.1]

Trace complete.

$B$H$J$C$F$d$C$Q$j!"$3$l$G$b@5$7$/7R$,$k$h$&$K$J$j$^$9!#(B

$B:#$^$G$3$s$J;v$OL5$+$C$?$N$G$9$,!"$3$l$OC/$,0-$$$N$G$7$g$&$+!)(B
$B$b$&!"$o$1$o$+$j$^$;$s!#!#!#(B

$BB>$KI,MW$J>pJs$,$"$l$PDs<($$$?$7$^$9!#(B
$B$I$J$?$+LB$($k;RMS$K0&$N<j$r$*B_$7$/$@$5$$!#(Bm(_ _)m

-- 
$B1sF#=SM5(B <endo_t@nifty.com>

