Master/slave configuration
Barry Margolin
barmar at alum.mit.edu
Wed Mar 7 17:15:53 UTC 2012
In article <mailman.166.1331112226.63724.bind-users at lists.isc.org>,
romgo at free.fr wrote:
> Dear community,
>
> I use bind on my network as DNS Server. Running bind
> 1:9.6.ESV.R4+dfsg-0+lenny4
> on Debian Lenny.
>
> The setup is quite usual : one master server with one slave server.
>
> The slave sync the zone from the master.
>
> I discover that when the master is down I have some trouble to access to
> internet and to local domain which are managed by the master server.
>
> Symptoms are : slow browsing and some website can't be reached, seems to be a
> timeout issue. (the server didn't answer in time).
>
> I saw that for unreachable website, the issue was DNS as my tcpdump didn't
> get
> any http request.
>
> How can I troubleshoot this issue ?
>
> Regards,
Is your /etc/resolv.conf pointing to both servers?
Things will be slow, since the resolver has to wait for a timeout before
failing over to the backup server.
--
Barry Margolin
Arlington, MA
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