On 11/14/2012 06:45 AM, Tim issued this missive:
Tim:
I was only trying out the "rotate" option, but it makes no difference
where it is in the file, as far my tests with the dig and nslookup
commands, go. It may well be that *they* read the resolv.conf file in
their own manner, only looking for nameserver lines.
Short of reading through the nameserver logs, I can't think of another
tool to test with that tells me which nameserver answered its query.
I'll try that later on.
lee:
When you use two name servers and turn on the query logging ('rndc
querylog on') on at least one of them, you can see if the one that
logs the requests has answered one or not.
Also, dig tells you which server answered and how long it took:
Methinks you didn't read what I wrote. I tested using dig and nslookup,
I already knew that they tell which server answered, they told me that
the same one kept answering. Nor, noticed where I mentioned the timing
of results, in an earlier message.
So, either those tools behave differently than other things doing name
lookups on the system, or the system ignores the directive to
round-robin the lookups.
Which means doing a test with another tool, and looking at the logs,
which I haven't done yet as I've been otherwise occupied.
If you're testing these options, you must disable nscd (if it's
running). nscd will interpose itself in the resolver library chain
and answer resolver queries from its cache first. I don't know if
nscd handles the options line(s) in the resolv.conf at all.
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