diff --git a/src/test/perl/PostgresNode.pm b/src/test/perl/PostgresNode.pm
index a589785..904c3a4 100644
--- a/src/test/perl/PostgresNode.pm
+++ b/src/test/perl/PostgresNode.pm
@@ -175,6 +175,8 @@ sub init
 	  if (!defined($params{has_archiving}));
 	$params{allows_streaming} = 0
 	  if (!defined($params{allows_streaming}));
+	$params{allows_sync_rep} = 0
+          if (!defined($params{allows_sync_rep}));
 
 	mkdir $self->backup_dir;
 	mkdir $self->archive_dir;
@@ -198,6 +200,10 @@ sub init
 		print $conf "wal_log_hints = on\n";
 		print $conf "hot_standby = on\n";
 	}
+	if ($params{allows_sync_rep})
+        {
+                print $conf "synchronous_standby_names = 'standby1,standby2'\n";
+        }
 
 	if ($TestLib::windows_os)
 	{
diff --git a/src/test/recovery/t/006_multisync_rep.pl b/src/test/recovery/t/006_multisync_rep.pl
new file mode 100644
index 0000000..ff23e36
--- /dev/null
+++ b/src/test/recovery/t/006_multisync_rep.pl
@@ -0,0 +1,84 @@
+use strict;
+use warnings;
+
+use PostgresNode;
+use TestLib;
+use Test::More tests => 7;
+
+
+# Initialize master node with synchronous_standby_names = 'standby1,standby2'
+my $node_master = get_new_node('master');
+$node_master->init(allows_streaming => 1,allows_sync_rep => 1);
+$node_master->start;
+my $backup_name = 'my_backup';
+
+# Take backup
+$node_master->backup($backup_name);
+
+#Create standby1 linking to master
+my $node_standby_1 = get_new_node('standby1');
+$node_standby_1->init_from_backup($node_master, $backup_name,
+                                                                  has_streaming => 1);
+$node_standby_1->start;
+
+
+#Create standby2 linking to master
+my $node_standby_2 = get_new_node('standby2');
+$node_standby_2->init_from_backup($node_master, $backup_name,
+                                                                  has_streaming => 1);
+$node_standby_2->start;
+
+
+# check application sync_state on master initially
+my $result = $node_master->psql('postgres', "select application_name, sync_state from pg_stat_replication;");
+print "$result \n";
+is($result, "standby1|sync\nstandby2|potential", 'checked for standbys state for backward compatibility');
+
+
+#change the s_s_names = '*' and check sync state
+$node_master->psql('postgres', "alter system set synchronous_standby_names = '*';");
+$node_master->psql('postgres', "select pg_reload_conf();");
+
+$result = $node_master->psql('postgres', "select application_name, sync_state from pg_stat_replication;");
+print "$result \n";
+is($result, "standby1|sync\nstandby2|potential", 'checked for standbys state for backward compatibility');
+
+
+#change the s_s_names = '2[standby1,standby2]' and check sync state
+$node_master->psql('postgres', "alter system set synchronous_standby_names = '2[standby1,standby2]';");
+$node_master->psql('postgres', "select pg_reload_conf();");
+
+$result = $node_master->psql('postgres', "select application_name, sync_state from pg_stat_replication;");
+print "$result \n";
+is($result, "standby1|sync\nstandby2|sync", 'checked for sync standbys state');
+
+# change the s_s_names = '2[standby1,standby2,*]' and check sync state
+$node_master->psql('postgres', "alter system set synchronous_standby_names = '2[standby1,standby2,*]';");
+$node_master->psql('postgres', "select pg_reload_conf();");
+
+$result = $node_master->psql('postgres', "select application_name, sync_state from pg_stat_replication;");
+print "$result \n";
+is($result, "standby1|sync\nstandby2|sync", 'checked for sync standbys state');
+
+
+# change the s_s_names = '2[*]' and check sync state
+
+$node_master->psql('postgres', "alter system set synchronous_standby_names = '2[*]';");
+$node_master->psql('postgres', "select pg_reload_conf();");
+
+$result = $node_master->psql('postgres', "select application_name, sync_state from pg_stat_replication;");
+print "$result \n";
+is($result, "standby1|sync\nstandby2|sync", 'checked for sync standbys state');
+
+
+#Create some content on master and check its presence on standby 1 and standby 2
+$node_master->psql('postgres', "CREATE TABLE tab_int AS SELECT generate_series(1,1002) AS a");
+
+
+$result =  $node_standby_1->psql('postgres', "SELECT count(*) FROM tab_int");
+print "standby 1: $result\n";
+is($result, qq(1002), 'check synced content on standby 1');
+
+$result =  $node_standby_1->psql('postgres', "SELECT count(*) FROM tab_int");
+print "standby 2: $result\n";
+is($result, qq(1002), 'check synced content on standby 2');