Master/slave configuration

[Barry Margolin]

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