On Sat, 17 Nov 2001, Radu Filip wrote:
> > > Salut! > > Am o problema cu care ma tot invart de vreo doua ore si nu-i dau de cap: > deci aici unde stau este un computer conectat la Net dar provider-ul nu > permite decat un singur calculator sa fie conectat, iar noi incercam sa > folosim doua (nu merge cu IP pus static pe al doilea, am incercat): > > Cum arata reteaua: > > inet----modem_cablu----hub-----pc1: eth0 (213.224.185.46) > | eth0:0 (192.168.1.1) > | > +------pc2: eth0 (192.168.1.2) > > Ideea e ca pe pc1 as vrea sa-l fac un fel de ruter al retelei din casa > care sa faca masqerading. pc1 este un laptop si pc2 la fel, deci nu am cum > sa mai adaug nici o placa de retea in nici unul din ele, in afara de > xircoamele care sunt in fiecare dintre ele. > > Ce am facut: > > (-) pe pc1 (linux, kernel 2.4.13): > ifconfig: > eth0 Link encap:Ethernet HWaddr 00:10:A4:C5:75:4E > inet addr:213.224.185.46 Bcast:213.224.185.255 Mask:255.255.255.0 > eth0:0 Link encap:Ethernet HWaddr 00:10:A4:C5:75:4E > inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0 > > route: > 213.224.185.0/24 dev eth0 proto kernel scope link src 213.224.185.46 > 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.1 > 127.0.0.0/8 dev lo scope link > default via 213.224.185.1 dev eth0 > > snat: > iptables -t nat -A POSTROUTING -o eth0 -s 192.168.1.0/24 -j SNAT --to >213.224.185.46 > > test (ping la provider): > [root@D5E0B92E root]# ping -I 192.168.1.1 213.224.185.1 > PING 213.224.185.1 (213.224.185.1) from 192.168.1.1 : 56(84) bytes of data. > 64 bytes from 213.224.185.1: icmp_seq=0 ttl=63 time=42.244 msec > > (-) pe pc2 (windoze98): ip: 192.168.1.2, mask=255.255.255.0, gw=192.168.1.1 > test (pint la provider): request timeout :-( > > in acest timp tcpdump pe pc1 spune: > 22:20:39.016389 192.168.1.2 > 213.224.185.1: icmp: echo request > (adica nu s-a facut corect snat-ul?) > > (-) ce am mai incercat pe pc1: > iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to 213.224.185.46 > sau > iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -j MASQUERADE > > si am patit la fel > > Asa ca as fi bucuros daca mi-ati spune unde am gresit cu nat-ul pe pc1. > > Mersi, > Radu > > --- > Send e-mail to '[EMAIL PROTECTED]' with 'unsubscribe rlug' to > unsubscribe from this list. > > pare ok ce ai tu acolo deci problema e in alta parte 1. ai ip_forwarding pe 1 ? 2. al doilea computator e configurat oki (ip, netmask, gw) ? 3. tcpdump ce are ? pe mina ma ajuta sa rezolv orice problema de acest tip in timp finit. ---------------------------- Mihai RUSU "... and what if this is as good as it gets ?" --- Send e-mail to '[EMAIL PROTECTED]' with 'unsubscribe rlug' to unsubscribe from this list.
