From 269f8287337ba50bbcd5aed2152cf5ff4fa832f4 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Sun, 7 May 2017 20:26:00 -0400
Subject: [PATCH] ca: assume that CA name servers have minor version >=12

Assume that servers listed in EPICS_CA_NAME_SERVERS
support CA >=12, practically >=1 to support the
authentication messages.
---
 src/ca/client/cac.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ca/client/cac.cpp b/src/ca/client/cac.cpp
index a7430e406..5748353bd 100644
--- a/src/ca/client/cac.cpp
+++ b/src/ca/client/cac.cpp
@@ -265,9 +265,14 @@ cac::cac (
         tcpiiu * piiu = NULL;
         SearchDestTCP * pdst = new SearchDestTCP ( *this, pNode->addr );
         this->registerSearchDest ( guard, * pdst );
+        /* Initially assume that servers listed in EPICS_CA_NAME_SERVERS support at least minor
+         * version 11.  This causes tcpiiu to send the user and host name authentication
+         * messages.  When the actual Version message is received from the server it will
+         * be overwrite this assumption.
+         */
         bool newIIU = findOrCreateVirtCircuit (
             guard, pNode->addr, cacChannel::priorityDefault,
-            piiu, CA_UKN_MINOR_VERSION, pdst );
+            piiu, 11, pdst );
         free ( pNode );
         if ( newIIU ) {
             piiu->start ( guard );