This is a very good explanation. Thank you for your help. Larry
> -----Original Message----- > From: bind-users-bounces+ladamiec=kentlaw....@lists.isc.org [mailto:bind-users- > bounces+ladamiec=kentlaw....@lists.isc.org] On Behalf Of Phil Mayers > Sent: Thursday, January 12, 2012 12:35 > To: bind-users@lists.isc.org > Subject: Re: recursion and forwarding > > On 01/12/2012 06:15 PM, Adamiec, Lawrence wrote: > > > So when does recursion occur, before the query is forwarded or never? I > > thought recursion was supposed to go looking for the answers. If > > recursion does not return an answer then does the query get forwarded? > > "forwarders" IIRC works as follows: > > 1. If query answer in cache, reply from cache to client, stop > 2. Send query to forwarders > 3. If reply, add to cache, reply to client, stop > 4. No reply: if "forward only" set, error to client, stop > 5. Perform normal recursion > > That is - it tries cache, then the forwarders, then does recursion > itself (unless "forward only" is set). > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
