Roberto Carna <robertocarn...@gmail.com> wrote: > Dear, I have to balance two DNS servers for a special reason.
https://www.powerdns.com/dnsdist.html > The DNS clients are a mix of Windows, Cisco and Linux machines, so I > think they ask for a FQDN using UDP and after that -if there is no > response-, they ask the same FQDN using TCP, and so the load balancing > will be succesful. No, fallback to TCP relies on receiving a truncated UDP response. You never want a DNS client to be waiting around for a response that will not arrive. Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ Rockall, Malin: Southeast veering southwest 6 to gale 8, occasionally 5 later. Rough or very rough. Rain. Moderate or poor. _______________________________________________ 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
