--- "Ed K." <ed@xxxxxxxxxx> wrote: > On Wed, 13 Apr 2005, Johnny Smith wrote: > > Hallow all, > > > > I have a network numbering/routing question. > > > > I have a pretty standard home network with a linux > > firewall/NAT box feeding a > > hub to what is is usually 3-5 machines. > > > > Can I eliminate the hub and use 3+ nics on the > > firewall box and > > 'how' would I number them??? > > > > I have set this up once before but I find that > > the various hosts connected to the firewall can > not > > see or access each other, but all can access the > net. > > > > what am I doing wrong below ? > > > > Internet==> firewall/NAT Machine [with multiple > Nics > > and CrossOver CAbles to Hosts] ==> > > > > ==> eth0 [ 10.0.0.1/255.0.0.0] ==> > > host-1 eth0= 10.0.0.2/ 255.0.0.0 > > > > ==> eth1 [ 172.16.0.1/255.255.0.0] ==> > > host-2 eth0= 172.16.0.2/255.255.0.0 > > > > ==> eth2 [ 192.168.0.1/255.255.255.0] ==> > > host-3 eth0= 192.168.0.2/255.255.255.0 > > > > > > The method above did now allow each host to see & > > access each other, they could access the internet. > > > > > > > > Could the following Alternative Numbering Work ?? > > > > Internet==> firewall/NAT Machine > > [with multiple Nics and 'CrossOver Cables' > > to 'multiple' Hosts] ==> > > > > ==> eth0 [ 172.16.0.1.255.255.0.0] ==> > > host-1 eth0= 172.16.0.2/255.255.0.0 > > > > ==> eth1 [ 172.17.0.1.255.255.0.0] ==> > > host-2 eth0= 172.17.0.2/255.255.0.0 > > > > ==> eth2 [ 172.18.0.1.255.255.0.0] ==> > > host-3 eth0= 172.18.0.2/255.255.0.0 > > > > Thanks in advance for any guidance you can give > me. > > > > Johnny > > > > I have a suggestion, use brctl > http://bridge.sourceforge.net/howto.html > > and bind eth0, eth1, and eth2 to the same logical > device (br0) and then > the three nics act like a three port bridge. You > only configure one > ethernet device (br0) for all three hardware ports. > > ed Thanks Ed, I checked the url and wow, I didn't realize I could solve the problem with a bridge. Very cool. I'm going to build a new machine over the next couple of days with 3+ nics... let ya know how it goes. Looking forward to it. Johnny __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new resources site! http://smallbusiness.yahoo.com/resources/
