multiple prefixes

[Doug Barton]

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On 02/11/2013 01:58 PM, Philipp Kern wrote:
| Doug,
|
| am Mon, Feb 11, 2013 at 11:20:24AM -0800 hast du folgendes geschrieben:
|> That's sort of the point of an IPAM solution. :)
|
| I've yet to find an IPAM that reconfigures my servers or ACLs… (Be it
| router, web server, database or any other access control statement.)

Oh come on. Your question was about setting addresses manually, then
forgetting where you set them. IPAM does actually solve that problem, if
you use it properly. The fact that you would then have to go reconfigure
the same systems you hand configured the first time is part of the cost
of renumbering, WHICH IS WHY ORGANIZATIONS DON'T WANT TO DO IT.

I suspect that when DHCPv6 PD is more widely supported that it will
become the answer for some of these problems, even for hosts that users
want to assign static host/interface IDs for.

Lately I've even seen an increase in the number of server'ish systems
that are being configured with DHCP using reservations. That model has
pros and cons, which are outside the scope of this discussion, but the
key point for people to gain from this conversation is that enterprises
really, REALLY hate to renumber stuff.

Suggestions that are harder to accomplish than the NAT solutions they
already have are simply non-starters. Looking down our noses at people
and saying that they are stuck in "the IPv4 way of doing things,"
doesn't make us any friends, especially when the people doing the
sneering haven't taken the time to clearly understand the problem(s).

Doug

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