Re: How are you doing DHCPv6 ?

[Ray Soucy <rps () maine edu>]

Thanks, Mark.

The ISC website isn't very clear on how to make such requests unless
you have a support contract.

Also make note of my last response to the thread on logging and MAC
awareness, as it may also be worth consideration.




On Mon, Jan 23, 2012 at 5:05 PM, Mark Andrews <marka () isc org> wrote:
> In message <CALFTrnMXzdoS=-B=WT1hVfgKVDrQZDZ8KonhOpgU1JoqxO9j5A () mail gmail com>
> , Ray Soucy writes:
> > This is a problem that would be nice for ISC to resolve (or another
> > dependable FOSS implementation).
> >
> > For a while now (about 20 years I believe) we've used ISC DHCPd in a
> > distributed model for our public IPv4 space.  In a nutshell, each DHCP
> > server is configured only with static assignments, their log files are
> > monitored (simple event correlator), and scripts are fired off to
> > perform tasks like new assignments against a centralized database
> > (MySQL).  The database is responsible for keeping track of address
> > assignments centrally and is used to generate configuration files for
> > DHCPd.  Dynamic updates are made using OMAPI.
> >
> > Unfortunately, the ISC DHCPv6 implementation makes replicating this
> > impossible due to the lack of information logged.
> >
> > Another problem with the ISC DHCPv6 implementation is that it doesn't
> > allow you to assign fixed-address information based on the DUID _and_
> > IAID, which becomes a problem when a host has more than one active
> > adapter.
> >
> > The only options are hacking the source code if you feel comfortable
> > doing so, or waiting for ISC to make the change (if they ever plan
> > to).
>
> I can't see any request to add this feature to ISC DHCPv6 so I've opened
>
>        27564   request for duid+iaid as selection criteria
>
> If we don't know you need a feature we can't put it on the roadmap.
>
> > For now, we get by with static assignments made in the database and no
> > dynamic allocation via DHCPv6, which does OK in a dual-stack
> > environment where IPv6 isn't considered necessary yet, but in the near
> > future that will change.
> >
> >
> >
> >
> > On Tue, Jan 17, 2012 at 5:04 PM, Randy Carpenter <rcarpen () network1 net> wrote
> > :
> > > I am wondering how people out there are using DHCPv6 to handle assigning pr
> > efixes to end users.
> > > We have a requirement for it to be a redundant server that is centrally loc
> > ated. DHCPv6 will be relayed from each customer access segment.
> > > We have been looking at using ISC dhcpd, as that is what we use for v4. How
> > ever, it currently does not support any redundancy. It also does not do very
> > much useful logging for DHCPv6 requests. Certainly not enough to keep track o
> > f users and devices.
> > > So, my questions are:
> > >
> > >
> > > How are you doing DHCPv6 with Prefix Delegation?
> > >
> > > What software are you using?
> > >
> > >
> > > When DHCPv6 with Prefix Delegation seems to be about the only way to deploy
> >  IPv6 to end users in a generic device-agnostic fashion, I am wondering why i
> > t is so difficult to find a working solution.
> > > thanks,
> > > -Randy
> > >
> > > --
> > > | Randy Carpenter
> > > | Vice President - IT Services
> > > | Red Hat Certified Engineer
> > > | First Network Group, Inc.
> > > | (800)578-6381, Opt. 1
> > > ----
> >
> >
> >
> > --
> > Ray Soucy
> >
> > Epic Communications Specialist
> >
> > Phone: +1 (207) 561-3526
> >
> > Networkmaine, a Unit of the University of Maine System
> > http://www.networkmaine.net/
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka () isc org



-- 
Ray Soucy

Epic Communications Specialist

Phone: +1 (207) 561-3526

Networkmaine, a Unit of the University of Maine System
http://www.networkmaine.net/