Re: More than one IP (sub)network on one ethernet cable


Roger Fajman (RAF%NIHCU.BITNET@CUNYVM.CUNY.EDU)
Sun, 20 Dec 87 13:04:25 EST


> What is the point between putting two different Internet networks
> on a single extended LAN? Is this commonly done? Is there a good
> reason that is not occuring to me?

In the case of multiple subnets on one LAN with a class B address, a
reason is that you have many small subnets and a few large ones. If
you set your subnet mask to accomodate the size of the large
subnets, then you may not have enough subnet numbers to accomodate
the quantity of small subnets that you have. The reverse is also
true. One possible solution is to have the subnet size be small,
but assign multiple subnet numbers to the large LANs.



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