| IP packet switching deals with bridge ports, not physical port, so it
considers a hunt group to be one port. You can define an IP address
range for a hunt group port just as you can for a plain old bridge
port. (The IP address range is a generalization of subnets; to define
a subnet 16.20.xx.xx, you would set up a range of 16.20.0.0 to
16.20.255.255.)
IP switching should not significantly affect flooding performance, and
that's the only performance impact I could forsee. Aside from that,
the only scaling issue I can imagine is that configuration might become
cumbersome if you have a large switched network, at least until we
implement dynamic links. That would allow IP address range information
to be distributed network-wide; until then every IP address range will
have to be configured at all switches.
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