On 12/30/05, Kok-Yong Tan <email@hidden> wrote:
> At 17:05 -0500 12/30/05, Dan Shoop wrote:
> >>>Then you duplicated the IP address on more than one server, which obviously you can't do since each machine must always have a unique IP address.
> >>The latter part of your sentence is untrue. You can have multiple unique unbonded IP addresses per machine since a machine can have multiple NIC cards installed or built-in, e.g. each Xserve G5 and quadcore tower comes with two ethernet ports which can have at least one unique IP address per port, etc.
Uh, IP uniqueness has nothing to do with how many NICs you have. You
can only have one of each IP *per common network* as Dan reiterates
below. This has nothing to do with ports or cards. Of course you can
have thousands of IPs on a single NIC, it's called aliasing.
What Dan was pointing out is that two hosts in a broadcast domain
sharing a common IP isn't going to work.
(Dan)
> >Each machine [connected to a common network] must have [at least] a unique IP address [to be connected to an IP network.]
Correct, of course.
> Hey, you're the one picking nits all over the place by insisting people be "precise". I thought we'd all see how you like it when *YOUR* statements are picked over as well. Obviously it doesn't feel as good when it's you with the target painted on your pointy little head, isn't it? Look who's calling other people twits...
Even in HA systems, the hosts involved in failover DO NOT have the
same IP address. The slave will assume the primary's IP iff the
master fails.
Dan was precise (and correct), and you're trying to prove him wrong
with a falsehood because you dislike him. Being correct and defending
a truth hardly makes *him* a twit, but..
J.
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