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Add a changelog entry for #1712

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Sean Chittenden 2016-03-30 14:52:24 -07:00
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@ -11,6 +11,17 @@ IMPROVEMENTS:
second per Consul server as a result of rebalancing). Clusters in stable
environments who use `allow_stale` should see a more even distribution of
query load across all of their Consul servers. [GH-1743]
* Consul agents can now limit the number of UDP answers returned via the DNS
interface. The default number of UDP answers is `3`, however by adjusting
the `dns_config.udp_answer_limit` configuration parameter, it is now
possible to limit the results down to `1`. This tunable provides
environments where RFC3484 section 6, rule 9 is enforced with an important
workaround in order to preserve the desired behavior of randomized DNS
results. Most modern environments will not need to adjust this setting as
this RFC was made obsolete by RFC 6724. See the
[agent options](https://www.consul.io/docs/agent/options.html#udp_answer_limit)
documentation for additional details for when this should be
used. [GH-1712]
## 0.6.4 (March 16, 2016)