diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.1port b/xCAT-server/share/xcat/ib/scripts/configiba.1port
index 16bc961fa..d79aaa0b1 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.1port
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.1port
@@ -113,8 +113,9 @@ if ( $PLTFRM eq "Linux" ) {
     my $openibd_start_cmd = "/sbin/service openibd restart";
     runcmd($openibd_start_cmd);
 
-    sleep(5);
+    sleep(20);
     foreach my $nic ( @nics ) {
+        sleep(5);
         runcmd("ifup $nic");
         system("logger -t xcat 'configiba: successfully configured $nic.'");
     }
diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.2ports b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
index da5d2a645..d2520a1d0 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.2ports
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
@@ -113,8 +113,9 @@ if ( $PLTFRM eq "Linux" ) {
     my $openibd_start_cmd = "/sbin/service openibd restart";
     runcmd($openibd_start_cmd);
 
-    sleep(5);
+    sleep(20);
     foreach my $nic ( @nics ) {
+        sleep(5);
         runcmd("ifup $nic");
         system("logger -t xcat 'configiba: successfully configured $nic.'");
     }