On Fri, 2012-05-04 at 13:35 -0700, Victor McAllister wrote:
> I have been playing with dnsmasq to see if I can improve the way it 
> functions on my 3 network wrap box.
> here are some of the changes I made to dnsmasq.conf
> 
> domain-needed
> 
> bogus-priv
> 
> I use dhcp-host= to configure each client
> **
> 
> TO prevent windows boxes from filling the daemon log up with attempts to 
> find nonexistent proxies.
> 
> dhcp-option=252,"\n"
> **
> uncomented and increased the cache size
> 
> cache-size=600
> 
> ***
> 
> Here are some nslookup tests. My Leaf box is shadrach. My isp's primary 
> dns is ns1.sonic.net
> 
> shadrach# nslookup ns1.sonic.net 127.0.0.1
> server: 127.0.0.1
> address 1: 127.0.0.1 localhost
> 
> name: ns1.sonic.net
> address 1: ns1.sonic.net 208.201.224.11
> 
> ****
> from a client windows shell
> 
>  >nslookup
> server: shadrach
> address: 192.168.1.254
> 
> which indicates it knows dns is on the leaf box.
> 
>  >nslookup ns1.sonic.net
> server: ns1.sonic.net
> address: 208.201.224.11
> 
> Any suggestions are welcome.
> 
> Victor

Hi Victor,

Well, if you will insist on using *Windows* clients... :-}
Dnsmasq is caching fine for me, with a broadly similar config, for Linux
clients. Caching is turned on by default (for 150 entries).

Are you sure your clients don't *also* have ns1.sonic.net defined as a
name server, in addition to shadrach? You can check by running
"ipconfig /all" and looking at the setting for "DNS Servers".

You could also try un-commenting "log queries" in /etc/dnsmasq.conf to
check if the query is actually hitting dnsmasq.

david


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