Zone reload time after NOTIFY

Barry Margolin barmar at alum.mit.edu
Tue May 23 20:57:50 UTC 2006


In article <e4vk94$48s$1 at sf1.isc.org>,
 "Scott, Casey" <Casey.Scott at wizards.com> wrote:

> I have a BIND machine configured as a secondary server with 1 zone. The
> zone can receive many DDNS update from Windows clients. The DDNS updates
> occur on the primary server, which is Windows 2003. My question is that
> although the primary DNS server sends NOTIFY's to the BIND server, the
> BIND server takes quite a while before it implements any of the changes.
> I can not find any BIND config option that will effect the
> responsiveness of BIND to NOTIFY's. I don't want to force BIND to reload
> the zone for every NOTIFY, but I would like to have some control over
> the amount of time taken to implement the changes in the zone. 

What is "quite a while"?  BIND waits a random amount of time, to avoid a 
thundering herd problem if all the slaves tried to transfer immediately.  
But this shouldn't be much more than a minute, I think.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***



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