Song <Song.bbs@bbs.cynix.com.tw> wrote in message
news:3cFTXR$6Hs@bbs.cynix.com.tw...
> ¡° ¤Þ­z¡mthhsieh@bbs.ee.ntu.edu.tw (©~¤h)¡n¤§»Ê¨¥¡G
> > <²¤>
> > ----------------------------------------------------------------
> > ¤£¦n·N«ä¡A§Ú¥t¥~½Ð±Ð¤@­Ó°ÝÃD: °²³]§Ú­n³o¼Ë³Wµe§Úªº NAT:
> >            ISP server
> >                 |
> >                 |
> >         ------------------
> >            192.168.1.x    (¨Ï¥Î ISP ´£¨Ñªº NAT)
> >           local gateway
> >         ------------------
> >           |     |     |
> >           |     |     |
> >         ------------------
> > 192.168.2.x     y     z   (local net, ¨Ï¥Î local gateway ´£¨Ñªº NAT)
> > ¤]´N¬O¡A local gateway ¥»¨­ªº¹ï¥~ IP ¤w¬O NAT ¤F¡A«h¥¦©³¤UÁÙ¥i¥H¦A
> > ¶}¥t¤@¼h NAT µ¹ local net¡A¨Ï±o local net ùØÀY¨C¥x¾÷¾¹³£¥i¥H¡uª½±µ¡v
> > ¹ï¥~³s½u¶Ü¡H¤]´N¬O¡A local net ¥i¥Hª½±µ telnet 140.x.x.x, ¦Ó¤£»Ý­n
> > ¥ý telnet ¨ì local gateway, ¦A©¹¥~ telnet¡C
>
>     §Ú·Q¤º³¡¤£»Ý­n¦A¬[¤@¼h NAT¡A´N¬O¤£»Ý­n ip_masq ¡A¥u­n±N routing
>     ³]¦n´N¥i¥H¥Î¤F¡C
>
>     ¥H±z¤W­±ªº¨Ò¤l¨Ó»¡¡A°²³] local gateway ¹ï¥~¬° 192.168.1.1 eth0¡A
>     ¹ï¤º¬° 192.168.2.254 eth1¡A¥u­n³o¸Ìªº routing ³]¦n¡A¤º³¡ªº client
>     ±N gateway ³]¨ì 192.168.2.254 ´N¦n¤F¡C
>
>     ¦Ü©ó¯à§_ª½±µ telnet 140.x.x.x ´N±o¬Ý¬[ NAT ªº¥D¾÷¦p¦ó³]©w¤F¡C

¨S¿ù¡M±q ISP ªº NAT server ¤§«á¨ì 192.168.1.x (x °²³]¬° 252 §a)¨º¥x¥D¾÷¤§¶¡
ªº router ¡M³£¥²¶·¦³ 192.168.2.x ªº¸ô¥Ñ³]©w¡M
¨ä¤Wªº²Ä¤@­Ó router (°²³]´N¬O ISP ªº NAT ¦n¤F)¡M¥¦­n§â³q·Q 192.168.2.x ªº gw
³]¬° 192.168.1.252¡C

¤£¹L¡M¦A¥Î¤@­Ó NAT ¤]¬O¥i¥Hªº¡C