diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.1port b/xCAT-server/share/xcat/ib/scripts/configiba.1port
index cab95db64..f08777b9b 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.1port
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.1port
@@ -83,6 +83,7 @@ foreach my $num ( @nums ) {
         my $openibd_start_cmd = "/sbin/service openibd start";
         runcmd($openibd_start_cmd);
 
+        sleep(5);
         runcmd("ifup $nic");
         system("logger -t xcat 'configiba: successfully configured $nic.'");
     } elsif ( $PLTFRM eq "AIX" ) {
diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.2ports b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
index 47819caef..1d6c330b2 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.2ports
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
@@ -85,6 +85,7 @@ foreach my $num ( @nums ) {
         my $openibd_start_cmd = "/sbin/service openibd start";
         runcmd($openibd_start_cmd);
 
+        sleep(5);
         runcmd("ifup $nic");
         system("logger -t xcat 'configiba: successfully configured $nic.'");
     } elsif ( $PLTFRM eq "AIX" ) {