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From: Robert Boyd (robert.boydNEXSI.COM)
Date: Mon Jun 04 2001 - 18:18:13 CDT
Having multiple subnets addressed on a single interface is not usually often done. An
of a case where it might be useful is in an address migration project. In any case, we
support it. It is my understanding that you should build a new interface state machine
each subnet for each interface. So really, a single interface with multiple subnet
looks appears as multiple interfaces to your OSPF logic.
If the question was "which implementations currently do this today?" the answer should be
almost all of them.
Hope this helps..
Seunghan Choi wrote:
> I have a few questions.
> I'd like to know what router use many IP addresses(primary address, secondary address)
> on only one link for?
> Also, I'd like to know how to manage many IP addresses and what does OSPF act.