BIND9 Feature Request: 'fowarders' priority & round-robin pools

nrgd at eml.cc nrgd at eml.cc
Mon Aug 24 17:48:44 UTC 2015


I run bind 9.10.2-P3.

I have three classes of forwarders that I'd like to use:

(1) my own, hosted forwarder.  fast & private, but not redundant infrastructure
(2) private/encrypted hosted forwarders.  slow, private, and redundant infrastructure.
(3) reliable ISP & public forwarders. fast, redundant, privacy-challenged (Google, OpenDNS, AT&T, etc).

Reading the Arm & chatting in #irc IIUC 'forwarders' are NOT queried in order listed, and there's no option to set priority, failover, round-robin etc.

I'm requesting such a feature.

For example, 

Forwaders would be queried in order of priority, and pools of multiple forwarders would be round-robin weighted within a given priority level.

So in conf, we could have

	forward only;
	forwarders { 11.11.11.11 port 11111 prio 1; 22.22.22.1 port 53 prio 2; 22.22.22.2 port 53 prio 2; 8.8.8.8 prio 3; 8.8.4.4 prio 3; };

Thanks!


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