>>I'm not sure what you're referring to wrt super-netting. Are you running with
>>a private class C (192.168.X) subnet? If so, you could just add on another
>>subnet.
Since the orig question was from an .edu address, it can easily happen.
So what I think you meant is that you had a C type of address (subnet) in a B
class ip-field. That was the case in the dorm where I was the sysadmin. So our
netmask was 255.255.255.0. Later we had more machines than this "little"
domain could serve, so we had to extend, and we got 255.255.254.0.
Our domain was 152.66.236.0 and 152.66.237.0. If you write it in binary format
(and i recall well), you will see that 236 and 237 differe only in the
last bit, that's why the netmask changed to 254 also. This is the basic idea
briefly. The next step is that bits #23 and #24 can be changed, so you have 4 C
domains, with approximately(!) 4*255 ip's. Suppose that the netmask has to be
contigous, that's usual habbit. So if the next number is already used by
another department, you will probably get brand new domain. But this will be
done by the sysadmin who assigns the domains. You will just have to accept it,
and reconfigure all your machines:-).
Ferenc
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