From 7267d1f3352c0bc71370ab0208db45cd8d87fb1c Mon Sep 17 00:00:00 2001 From: Evan Hunt Date: Tue, 3 Feb 2015 13:35:34 -0800 Subject: [PATCH] [master] clarify edns-udp-size doc --- doc/arm/Bv9ARM-book.xml | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml index 32c240e4ca..48171cc19b 100644 --- a/doc/arm/Bv9ARM-book.xml +++ b/doc/arm/Bv9ARM-book.xml @@ -8980,7 +8980,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; }; edns-udp-size - Sets the initial advertised EDNS UDP buffer size in + Sets the maximum advertised EDNS UDP buffer size in bytes, to control the size of packets received from authoritative servers in response to recursive queries. Valid values are 512 to 4096 (values outside this range @@ -10639,7 +10639,15 @@ example.com CNAME rpz-tcp-only. is useful when you wish to advertise a different value to this server than the value you advertise globally, for example, when there is a firewall at the remote - site that is blocking large replies. + site that is blocking large replies. (Note: Currently, + this sets a single UDP size for all packets sent to the + server; named will not deviate from + this value. This differs from the behavior of + edns-udp-size in options + or view statements, where it specifies + a maximum value. The server statement + behavior may be brought into conformance with the + options/view behavior in future releases.)