Forwarders and caching

Barry Margolin barmar at genuity.net
Thu Jul 5 19:20:27 UTC 2001


In article <9i2akb$nbf at pub3.rc.vix.com>,
Forrest Aldrich  <forrie at navipath.com> wrote:
>In the default sense, BIND-8 will forward first.   So, I wonder if the 
>secondary that's sending out the forward is also caching the results of the 
>query (provided it gets a response, etc) and then recognizing that in the 
>future?  How does this work.

Yes, a server that forwards will also cache the result.  It only forwards a
query if the answer is not in the cache.  This is identical to the way a
non-forwarding server deals with delegations.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
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