second nameserver with two IPs
JLightner at water.com
Wed Jun 8 15:27:34 UTC 2011
You can have a thousand IPs and it won't matter so long as you configure your named.conf to use a specific IP in notify-source and transfer-source.
From: bind-users-bounces+jlightner=water.com at lists.isc.org [mailto:bind-users-bounces+jlightner=water.com at lists.isc.org] On Behalf Of Jonathan Stewart
Sent: Wednesday, June 08, 2011 11:00 AM
To: Jeff Peng
Cc: bind-users at lists.isc.org
Subject: Re: second nameserver with two IPs
On Tue, Jun 7, 2011 at 20:37, Jeff Peng <pengyh at inbox.com> wrote:
> My second nameserver has tow IPs, for example,
> (They are in different CIDRs.)
> and my ns2.example.com was pointed to these two IPs.
> Will this cause problems, for example, the duplicated notification or zone-transfer?
I would expect duplicate notifications, but that's not any problem at all.
The zone would transfer once, because a serial number check is always
done before the transfer. If a second notification was received, a
second serial number check (via SOA record) would be done, and, when
it found the same serial number, BIND would not transfer same zone a
As Torinthiel said though: try it out, and watch your logs to see
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