Caching only Server always check root so my ippp0 never hangup

[Mark_Andrews at isc.org]

> Hello,
> 
> I have an caching only server on SuSE 8.0 installed. Everythig is OK but it
> is checking the root servers every time
> so that ippp0 never hangup.
> 
> This is from /var/log/messages :
> 
> ---snip---
> ...
> Jun  7 18:03:32 vk-main named[829]: check_root: 1 root servers after query
> to root server < min
> Jun  7 18:05:47 vk-main named[829]: check_root: 1 root servers after query
> to root server < min
> Jun  7 18:08:03 vk-main named[829]: check_root: 1 root servers after query
> to root server < min
> Jun  7 18:10:18 vk-main named[829]: check_root: 1 root servers after query
> to root server < min
> ...
> ---snip---
> 
> here are my options from /etc/named.conf:
> 
> ---snip---
> options {
>         dialup yes;
>         directory "/var/named";
>         forwarders { 195.8.224.1; };
>         forward only;
>         listen-on port 53 { 127.0.0.1; 192.168.0.1; 192.168.1.1; };
>         query-source address * port 53;
>         allow-query { 127.0.0.1; 192.168.0/24; 192.168.1/24;};
>         cleaning-interval 60;
>         statistics-interval 0;
>         heartbeat-interval 0;
>         notify no;
>         allow-transfer { 127.0.0.1; 192.168.0.0/24; 192.168.1.0/24; };
> };
> ---snip---
> 
> Sorry, I can't find a parameter that help.

	Looks like you have a broken NAT that like to munge the
	DNS responses.  "min-roots" is what you are looking for.

	Mark
> 
> Greetings
> 
> Volker Voßkämper
> 
> 
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org