dhcp client recommendations

[Pallissard, Matthew]

John, responses in line


On 2018-10-18T17:58:36, John Miller wrote:
> Hi Matt,
> 
> What sort of lease time are you thinking about giving your clients?
> With indefinite retries, are you trying to solve the problem of:

Very long lease times.  The exact length is still TBD, but probably as long as we can sanely extend them.


> * Clients receiving IPs at boot time before services have started
> * Clients renewing their leases post-boot with services running?

We're looking at the latter.   We're trying to have clients keep attempting to obtain addresses indefinitely in the [unlikely] event that the dhcp server becomes unreachable.

Matt Pallissard

> John
> On Thu, Oct 18, 2018 at 4:15 PM Pallissard, Matthew <matt at pallissard.net> wrote:
> >
> > Hello,
> >
> > We're currently setting up ISC dhcpd/ddns for use in our data center.  Everything server side functions exactly as expected.  Client side is where we have questions, so forgive me if this is the wrong place to ask.  In the case of a dhcp server failure, we were hoping to have clients (CentOS 6/7, Ubuntu 14/16/18.04) retry indefinitely.
> >
> > We've done some research into dhclient and NetworkManager but have yet to find a straightforward answer in the man pages/google searches.  This leads me to two questions.
> >
> > 1. Does anyone know how to accomplish this or have other recommendations?
> > 2. The lack of straightforward answers has me wondering; should I be rethinking my problem or approaching it from a different angle?
> >
> >
> > Thanks in advance.
> >
> > Matt Pallissard
> > _______________________________________________
> > dhcp-users mailing list
> > dhcp-users at lists.isc.org
> > https://lists.isc.org/mailman/listinfo/dhcp-users
> 
> 
> 
> -- 
> John Miller
> Senior Systems Engineer
> Brandeis University ITS
> johnmill at brandeis.edu
> (781) 736-4619
> _______________________________________________
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> dhcp-users at lists.isc.org
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