website: Document DNS truncation. Fixes #144.

11 years ago · fa4cb49feb
parent e128962b56
commit fa4cb49feb
1 changed files with 4 additions and 0 deletions
--- a/website/source/docs/agent/dns.html.markdown
+++ b/website/source/docs/agent/dns.html.markdown
@ -113,4 +113,8 @@ SRV records.
    ;; ADDITIONAL SECTION:
    foobar.node.dc1.consul.	0	IN	A	10.1.10.12

+When the DNS query is performed using UDP, Consul will truncate the results
+without setting the truncate bit. This is to prevent a redundant lookup over
+TCP which generate additional load. If the lookup is done over TCP, the results
+are not truncated.