On 2007/12/14 19:30, Bret wrote: > So the question is.. will haveing the 10.90.0.0/16 subnet cause > conflicts with the 10.70.0.0/16 and 10.80.0.0/16 networks on the > OpenBSD (1) box's routing table.
I think you should read the "Understanding IP Addressing" document referenced in faq 6.1. I didn't have time to work out the diagrams (ifconfig output is much easier to read) - but you can easily see if addresses are within the same network by looking at the network address as displayed by ipcalc (available in packages), it accepts most address formats and shows you which part is the network address, range of addresses etc. $ ipcalc 10.90.0.0/16 $ ipcalc 10.90.0.0/0xffff0000 $ ipcalc 10.90.0.0/255.255.0.0 address : 10.90.0.0 netmask : 255.255.0.0 (0xffff0000) network : 10.90.0.0 /16 broadcast : 10.90.255.255 host min : 10.90.0.1 host max : 10.90.255.254 hosts/net : 65534 Then it's easy to see that the network part of the address for a /16 is the first two numbers of the four, i.e. 10.90, so 10.70 and 10.80 don't conflict with this.