You should buy a network switch (about 10$), connect that to eth1 and connect both the clients to that switch. No further configuration needed, please do _not_ configure eth2. Joerg Bergmann Am Mittwoch, den 02.09.2009, 09:07 +0400 schrieb Hiisi: > Dear List! > I have F11 machine which shares WEB to small home wired network. F11 > computer has 3 ethernet adapters - one built in motherboard (eth0, > 'main' adapter) and two additional cards (eth1,2). With grate help of > this list and even greater help of google I was able to set up NAT over > it. It worked perfect while there was only one client in the home > network - window$ laptop, connected to eth1 (eth2 was down). Now I added > second laptop - it runs ubuntu. I turned on eth2 and tried to do the > same trick with it but no lack until now. Here goes mine configuration: > ifconfig > eth0 Link encap:Ethernet HWaddr 00:0F:EA:22:A0:2C > inet addr:192.168.0.203 Bcast:192.168.1.255 > Mask:255.255.254.0 > inet6 addr: fe80::20f:eaff:fe22:a02c/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:124015 errors:0 dropped:0 overruns:0 frame:0 > TX packets:25838 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:21230917 (20.2 MiB) TX bytes:4769745 (4.5 MiB) > Interrupt:19 Base address:0xe000 > > eth1 Link encap:Ethernet HWaddr 00:80:48:2E:43:9C > inet addr:192.168.2.20 Bcast:192.168.2.255 > Mask:255.255.255.0 > inet6 addr: fe80::280:48ff:fe2e:439c/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:11044 errors:0 dropped:0 overruns:0 frame:0 > TX packets:9539 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:8868181 (8.4 MiB) TX bytes:3991105 (3.8 MiB) > Interrupt:18 Base address:0x8000 > > eth2 Link encap:Ethernet HWaddr 00:40:F4:98:DB:E9 > inet addr:192.168.2.40 Bcast:192.168.2.255 > Mask:255.255.255.0 > inet6 addr: fe80::240:f4ff:fe98:dbe9/64 Scope:Link > UP BROADCAST MULTICAST MTU:1500 Metric:1 > RX packets:75 errors:0 dropped:0 overruns:0 frame:0 > TX packets:73 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:5935 (5.7 KiB) TX bytes:14586 (14.2 KiB) > Interrupt:19 Base address:0xa000 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:329 errors:0 dropped:0 overruns:0 frame:0 > TX packets:329 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:69191 (67.5 KiB) TX bytes:69191 (67.5 KiB) > > route > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 192.168.2.0 * 255.255.255.0 U 0 0 0 > eth1 > 192.168.2.0 * 255.255.255.0 U 0 0 0 > eth2 > 192.168.0.0 * 255.255.254.0 U 0 0 0 > eth0 > link-local * 255.255.0.0 U 1002 0 0 > eth0 > link-local * 255.255.0.0 U 1003 0 0 > eth1 > link-local * 255.255.0.0 U 1004 0 0 > eth2 > default mitht2.imt.ru 0.0.0.0 UG 0 0 0 > eth0 > > sysctl net.ipv4.ip_forward > net.ipv4.ip_forward = 1 > > iptables -L -t nat > Chain PREROUTING (policy ACCEPT) > target prot opt source destination > > Chain POSTROUTING (policy ACCEPT) > target prot opt source destination > MASQUERADE all -- anywhere anywhere > > Chain OUTPUT (policy ACCEPT) > target prot opt source destination > > cat /etc/sysconfig/iptables > # Generated by iptables-save v1.4.3.1 on Tue Sep 1 23:36:23 2009 > *nat > :PREROUTING ACCEPT [1264:158963] > :POSTROUTING ACCEPT [96:14688] > :OUTPUT ACCEPT [462:49878] > -A POSTROUTING -o eth0 -j MASQUERADE > COMMIT > # Completed on Tue Sep 1 23:36:23 2009 > # Generated by iptables-save v1.4.3.1 on Tue Sep 1 23:36:23 2009 > *filter > :INPUT ACCEPT [7849:1116249] > :FORWARD ACCEPT [0:0] > :OUTPUT ACCEPT [1219:189475] > -A FORWARD -i eth0 -j ACCEPT > -A FORWARD -i eth1 -j ACCEPT > -A FORWARD -i eth2 -j ACCEPT > COMMIT > # Completed on Tue Sep 1 23:36:23 2009 > > Window$ laptop has 192.168.2.30 address and uses 192.168.2.20 (eth1 IP) > as gateway. DNS is the same as on F11 machine. > I've tried to set up 192.168.2.50 as IP for ubuntu laptop with default > gateway of eth2 IP address: 192.168.2.40. It doesn't work. When I'm > trying to ping 192.168.2.50 from F11 the result is: > ping 192.168.2.50 > PING 192.168.2.50 (192.168.2.50) 56(84) bytes of data. > >From 192.168.2.20 icmp_seq=2 Destination Host Unreachable > >From 192.168.2.20 icmp_seq=3 Destination Host Unreachable > >From 192.168.2.20 icmp_seq=4 Destination Host Unreachable > ^C > As I can understand packets go from wrong IP. Namely, from eth1 when I > would like them to go from eth2. > How to fix that? > Thank you for your attention! > Respectfully > -- > Hiisi. > Registered Linux User #487982. Be counted at: http://counter.li.org/ > -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
