From owner-FreeBSD-net-jp@jp.freebsd.org  Tue Mar 27 12:09:38 2001
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Message-Id: <200103270309.f2R39bo13752@mail.da.airnet.ne.jp>
Date: Tue, 27 Mar 2001 12:06:51 +0900
From: Dai MIKURUBE <dms@da.airnet.ne.jp>
To: FreeBSD-net-jp@jp.freebsd.org
In-Reply-To: <20010326210816.0F72.MARINA@yaya.forks.co.jp>
References: <20010326210816.0F72.MARINA@yaya.forks.co.jp>
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Subject: [FreeBSD-net-jp 3043] Re: about a PPPoE(ADSL)+nat problem
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Sender: owner-FreeBSD-net-jp@jp.freebsd.org
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$B;02vIt$H?=$7$^$9!#(B

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# Squid$B$b$^$@F~$l$F$$$J$$$N$G!"I,MW$J$H$-$O(Bw3m$B$G8+$F$$$k<!Bh(B...$B!#(B

$B$H$j$"$($:Js9p$N$_$G?=$7Lu$"$j$^$;$s$,!#(B


$B;d$N4D6-$O!"(B
FreeBSD 4.2R (NETGRAPH $B7O$O(BFreeBSD$B%O%s%I%V%C%/$K$"$k$b$N$r$9$Y$F(B)
ADSL$B$OEl5~$a$?$j$C$/DL?.$N$b$N$G$9!#(B

Win2k --> ppp(PPPoE) + natd(+IPFW) --> ...
      fxp0                   tun0(ed0)
$B$G!"$@$a$G$7$?!#(B

$B%/%i%$%"%s%H$O(BFreeBSD$B$G$bIT2D!"$G$7$?!#(B


$B2<$O!"(Btcpdump$B$N7k2L$G$9!#(B

*** Win2k$B%/%i%$%"%s%H$+$i%"%/%;%9$7$?$H$-(B
vesper# tcpdump -i tun0 host member.nifty.ne.jptcpdump: listening on 
tun0
11:59:20.603514 xdsl044077.061200.metallic.ne.jp.1138 > member.nifty.ne.jp.http:
 S 1688619097:1688619097(0) win 16384 <mss 1460,nop,nop,sackOK> (DF)
11:59:20.644227 member.nifty.ne.jp.http > xdsl044077.061200.metallic.ne.jp.1138:
 S 2913467182:2913467182(0) ack 1688619098 win 8760 <mss 1460> (DF)
11:59:20.645968 xdsl044077.061200.metallic.ne.jp.1138 > member.nifty.ne.jp.http:
 . ack 1 win 17520 (DF)
11:59:20.647278 xdsl044077.061200.metallic.ne.jp.1138 > member.nifty.ne.jp.http:
 P 1:253(252) ack 1 win 17520 (DF)
11:59:20.689037 member.nifty.ne.jp.http > xdsl044077.061200.metallic.ne.jp.1138:
 . ack 253 win 8760 (DF)
11:59:20.695139 member.nifty.ne.jp.http > xdsl044077.061200.metallic.ne.jp.1138:
 P 1:138(137) ack 253 win 8760 (DF)
11:59:20.892605 xdsl044077.061200.metallic.ne.jp.1138 > member.nifty.ne.jp.http:
 . ack 138 win 17383 (DF)
11:59:20.932351 member.nifty.ne.jp.http > xdsl044077.061200.metallic.ne.jp.1138:
 F 1598:2616(1018) ack 253 win 8760 (DF)
11:59:20.933175 xdsl044077.061200.metallic.ne.jp.1138 > member.nifty.ne.jp.http:
 . ack 138 win 17383 (DF)
($B$3$3$G@E;_(B)
***


...FreeBSD 4.3R$B$H$+$J$i$&$^$/$$$/$N$+$J$"!#(B

$B$=$l$G$O!#(B
---
Dai MIKURUBE as DMS
   dms@da.airnet.ne.jp
