Peter Memishian wrote:

> >IPMP was never implemented as a "virtual NIC", which perhaps is where
> >some of the confusion arises.
> > Sure, it wasn't in the past, but with Clearview it certainly looks
> like one in the design doc.

No, it's a virtual IP interface.  There's a big difference.

Well IP interfaces are generally associated with a NIC of some
kind, be it software (eg PPP/LANE) or physical (bge, nf, ce).
So if I see something show up in ifconfig output, my expectation
is that there is a NIC of some kind behind it.

Now what you're saying is that this isn't true for IPMP interfaces
as presented by the clearview project.  While in the past we've had
a different kind of visual key to alert us to the fact that a logical
interface is just a logical interface (eg le0:1), IPMP (and perhaps
interface vanity naming?) has the potential to break that model.

While I understand that the official line is that everything ifconfig
reports is just a logical interface, my experience with people using
Solaris and ipfilter suggests that not a whole lot of people really
do understand the subtle but important difference here.  I don't
know whether that is something important to be factored in here
or not.

btw, will IPMP for Clearview be delivering for FDDI, 802.11a/b/g
and ATM or just ethernet based protocols
Or is the interface media type unimportant for IPMP?

Darren

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