DHCPv6 and MAC Address inclusion

John Hascall john at iastate.edu
Mon Jan 23 22:05:52 UTC 2012


On Mon, Jan 23, 2012 at 3:28 PM, <scott_stone at trendmicro.com> wrote:

> I've done some reading on this - the intent here was for laptops/etc that
> have wired and wireless cards, to get the same IP regardless.  Makes sense
> if you
>

Even assuming this is how all people want to handle laptops is incorrect.


John






think of it that way but it destroys my datacenter use-case.  DHCPv6 was
> likely designed 15+ years ago like IPv6 was and by the time anyone got
> around to actually using IPv6 en masse (ie, 2011), it was long obsolete and
> hadn't had the updates/attention that IPv4/DHCPv4 got over the same time
> period.****
>
> ** **
>
> Still scares me that there is no "private nonroutable" block of IPv6
> space.  Someone screws up an ACL somewhere and bam, private/firewalled
> machines (DB hosts, etc) are now exposed to the internet.****
>
> ** **
>
> ====================****
>
> Scott Stone <scott_stone at trendmicro.com>****
>
> Manager, DCS-RD****
>
> Trend Micro, Inc. http://www.trendmicro.com****
>
> ** **
>
> *From:* dhcp-users-bounces+scott_stone=trendmicro.com at lists.isc.org[mailto:
> dhcp-users-bounces+scott_stone=trendmicro.com at lists.isc.org] *On Behalf
> Of *perl-list
> *Sent:* Monday, January 23, 2012 1:21 PM
> *To:* Users of ISC DHCP
> *Subject:* Re: DHCPv6 and MAC Address inclusion****
>
> ** **
>
> Imagine that you would like to add these interfaces to separate classes
> and assign addresses based on their class assignment.  How could you do
> that with no way to differentiate the interfaces?****
>
> ** **
>
> Someone dropped the ball designing DHCPv6.  I understand we all hate
> DHCPv4 or something (I don't), but not all ideas from DHCPv4 were bad.****
>
> ** **
> ------------------------------
>
> *From: *"scott stone" <scott_stone at trendmicro.com>
> *To: *dhcp-users at lists.isc.org
> *Sent: *Monday, January 23, 2012 4:00:24 PM
> *Subject: *RE: DHCPv6 and MAC Address inclusion
>
> in our case, different "wires" but with dhcp relaying it goes to the same
> DHCP server, and the same server DUID is sent out on all NICs.
>
> ====================
> Scott Stone <scott_stone at trendmicro.com>
> Manager, DCS-RD
> Trend Micro, Inc. http://www.trendmicro.com
>
> -----Original Message-----
> From: dhcp-users-bounces+scott_stone=trendmicro.com at lists.isc.org [mailto:
> dhcp-users-bounces+scott_stone=trendmicro.com at lists.isc.org] On Behalf Of
> Ted Lemon
> Sent: Monday, January 23, 2012 12:54 PM
> To: Users of ISC DHCP
> Cc: dhcp-users at lists.isc.org
> Subject: Re: DHCPv6 and MAC Address inclusion
>
> Why would you attach more than one NIC to the same wire?
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