IPv6 issues

Mark Andrews Mark_Andrews at isc.org
Fri Aug 26 01:54:08 UTC 2005


> Hello, I am on a IPv4 network and we current do not have a IPv6 connection 
> so we do not support it. We have recently installed BIND 9 

	Details.  Which version of BIND 9?

> on our DNS 
> servers and I set my named.conf to listen-on-v6 to none. Well I have been 
> receiving complaints from our internet users stating that they are having a 
> huge lag time connecting to our sites and there machines are IPv6 enabled 
> but they are not on a IPv6 line. At first I thought the issue was just their 
> systems causing the lag since they systems were set to enable IPv6 but now I 
> am not sure if it something I did wrong in BIND or is it on their end? A 
> bunch of the users were on Ubuntu boxes which I know has IPv6 enabled by 
> default. I told them how to disable it and I thought that fixed the problem. 
> I am still getting complaints from users stating that they are having issues 
> connecting to our domains and these complaints are coming from IPv6 enabled 
> users. They are not on a IPv6 network but are using machines that come with 
> IPv6 enabled like Ubuntu, Suse and I think some blend of XP SP2. Should I 
> turn on the listen on v6 even if I am not using IPv6? Is the problem on my 
> end or theirs, theirs right? If the problem lays on their end wouldn't we 
> hear more about this problem?
> Thanks,
> Nick

	Why don't you tell us the servers and the domains involved.
	That way we can see if we can see what the problems are.
	At the moment we would only be guessing.

	Also what firewalls are installed, etc are between the
	clients and the servers.

	Mark
	
> Below is my snippett from my named.conf
> options {
> directory "/var/named";
> pid-file "named.pid";
> statistics-file "/var/log/named/named.stats";
> zone-statistics yes;
> listen-on-v6 { none; };
> allow-query { our-nets; };
> # allow-recursion { our-nets; };
> blackhole { bogusnets; };
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org



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