[4097a] Addressed not configured class VENDOR_CLASS_*

src/bin/dhcp4/dhcp4_srv.cc

@@ -840,9 +840,14 @@ Dhcpv4Srv::buildCfgOptionList(Dhcpv4Exchange& ex) {
             getClientClassDictionary()->findClass(*cclass);
         if (!ccdef) {
             // Not found: the class is not configured
-            LOG_DEBUG(options4_logger, DBG_DHCP4_BASIC, DHCP4_CLASS_UNCONFIGURED)
-                .arg(ex.getQuery()->getLabel())
-                .arg(*cclass);
+            if (((*cclass).size() <= VENDOR_CLASS_PREFIX.size()) ||
+                ((*cclass).compare(0, VENDOR_CLASS_PREFIX.size(), VENDOR_CLASS_PREFIX) != 0)) {
+                // Not a VENDOR_CLASS_* so should be configured
+                LOG_DEBUG(options4_logger, DBG_DHCP4_BASIC, DHCP4_CLASS_UNCONFIGURED)
+                    .arg(ex.getQuery()->getLabel())
+                    .arg(*cclass);
+            }
+            // Skip it
             continue;
         }
         if (ccdef->getCfgOption()->empty()) {

src/bin/dhcp6/dhcp6_srv.cc

@@ -908,8 +908,13 @@ Dhcpv6Srv::buildCfgOptionList(const Pkt6Ptr& question,
             getClientClassDictionary()->findClass(*cclass);
         if (!ccdef) {
             // Not found: the class is not configured
-            LOG_DEBUG(dhcp6_logger, DBG_DHCP6_BASIC, DHCP6_CLASS_UNCONFIGURED)
-                .arg(*cclass);
+            if (((*cclass).size() <= VENDOR_CLASS_PREFIX.size()) ||
+                ((*cclass).compare(0, VENDOR_CLASS_PREFIX.size(), VENDOR_CLASS_PREFIX) != 0)) {
+                // Not a VENDOR_CLASS_* so should be configured
+                LOG_DEBUG(dhcp6_logger, DBG_DHCP6_BASIC, DHCP6_CLASS_UNCONFIGURED)
+                    .arg(*cclass);
+            }
+            // Skip it
             continue;
         }
         if (ccdef->getCfgOption()->empty()) {