On Sat, 2002-11-09 at 02:59, John McQuillen wrote: <snip>
> There is no reason why you can't use an entire class C network at home > for your 2,3 or 4 host network, besides, the private address range in > use here is actually a class B (192.168.0.0/16) and there would be no > problem using that either. It would just mean that you have one network > and shit loads (256^2-2) of unique host addresses available. > By using CIDR (Classless Inter Domain Routing) you ignore the native > class of the network and adjust the mask to suit your requirements of > unique networks/unique hosts. The tighter you make your mask (adding > bits to the default class mask), the more unique networks you have > available, while limiting the amount of unique hosts that you can have > per network. > > By the way, your example is incorrect. > > A 29 bit mask (255.255.255.248) will give you 6 possible hosts with 0 > being the network address, 6 hosts, and 7 being the broadcast address. > > The way I like to think of it is in lots of 256. 256-248=8, minus 2 for > your network and broadcast addresses and you are left with 6 possible > hosts. 256/8=32, so you would be able to have 32 separate networks with > 6 hosts each. There is really no need to go to the trouble of subnetting > to this extent, however, unless you have need for multiple networks. > > I hope that my explanation has been understandable :) > > Regards, > > John... Thanks, John! I do understand...and like your 'lots' of 256' example. Guess when I am trying to figure out networks, it would help if I was awake....:( -- Erik Linux User 288105 ================= Bill who? Micro what?
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