[Samba] DNS Round Robin not working?

[Kris Lou]

Sorry, there are three DC's on my "local" site, and one site connected via
an IPSEC tunnel.

So yes, there are 4 DC's, but most of my services here depend on the 3 in
the local site.

In either case, they're still all being resolved in the listed order --
which incidentally seems to be the order that they're listed via DNS
Manager.

An errant "ntacl sysvol reset" caused the first DC to choke up this morning
-- and failover (or round robin) didn't happen.  So here we are ...

-Kris


Kris Lou
klou at themusiclink.net

On Wed, Sep 19, 2018 at 2:05 PM, Rowland Penny via samba <
samba at lists.samba.org> wrote:

> On Wed, 19 Sep 2018 13:36:42 -0700
> Kris Lou via samba <samba at lists.samba.org> wrote:
>
> > Hi all,
> >
> > I seem to have run into a case where my DC's aren't being
> > round-robin'ed by DNS.  I've got 3 DC's using Internal DNS, but every
> > time I ping mydomain.com and check the results
> > (ipconfig /displaydns), it's always in the same order.
> >
> > The same order appears when I query the DC's directly, individually:
> >
> > # nslookup mydomain.com 172.23.51.5
> >
> > Server:         172.23.51.5
> > Address:        172.23.51.5#53
> >
> > Name:   mydomain.com
> > Address: 172.23.51.5
> > Name:    mydomain.com
> > Address: 172.23.51.3
> > Name:    mydomain.com
> > Address: 172.19.27.10
> > Name:    mydomain.com
> > Address: 172.23.51.6
> >
> >
> > Does anybody know how this can occur? I am running two sites
> > (172.19.27.10 is on a different site, the others are local), if that
> > matters.
> >
>
> I run Bind9 on 2 DC's and it works for me, but one thing I did note.
> You say you have 3 DC's, but there appears to be 4 ipaddresses
> associated with the domain, what is the fourth ?
>
> Rowland
>
>
>
>
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