1 files changed, 7 insertions, 2 deletions

diff --git a/plugins/check_ntp_time.c b/plugins/check_ntp_time.c
index d543d6b..bbcaa0b 100644
--- a/plugins/check_ntp_time.c
+++ b/plugins/check_ntp_time.c
@@ -344,7 +344,11 @@ double offset_request(const char *host, int *status){
                         die(STATE_UNKNOWN, "can not create new socket");
                 }
                 if(connect(socklist[i], ai_tmp->ai_addr, ai_tmp->ai_addrlen)){
-                        die(STATE_UNKNOWN, "can't create socket connection");
+                        /* don't die here, because it is enough if there is one server
+                           answering in time. This also would break for dual ipv4/6 stacked
+                           ntp servers when the client only supports on of them.
+                         */
+                        DBG(printf("can't create socket connection on peer %i: %s\n", i, strerror(errno)));
                 } else {
                         ufds[i].fd=socklist[i];
                         ufds[i].events=POLLIN;
@@ -602,6 +606,7 @@ void print_help(void){
         print_usage();
         printf (UT_HELP_VRSN);
         printf (UT_EXTRA_OPTS);
+        printf (UT_IPv46);
         printf (UT_HOST_PORT, 'p', "123");
         printf (" %s\n", "-q, --quiet");
         printf ("    %s\n", _("Returns UNKNOWN instead of CRITICAL if offset cannot be found"));
@@ -635,6 +640,6 @@ void
 print_usage(void)
 {
         printf ("%s\n", _("Usage:"));
-        printf(" %s -H <host> [-w <warn>] [-c <crit>] [-v verbose]\n", progname);
+        printf(" %s -H <host> [-4|-6] [-w <warn>] [-c <crit>] [-v verbose]\n", progname);
 }