diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.1port b/xCAT-server/share/xcat/ib/scripts/configiba.1port
index 998118d5f..cab95db64 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.1port
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.1port
@@ -64,6 +64,7 @@ foreach my $num ( @nums ) {
         if ( $OS_name eq 'suse')
         {
             $dir = "/etc/sysconfig/network";
+            runcmd("echo 'options ib_ehca nr_ports=1' >> /etc/modprobe.conf");
         }
         elsif ( $OS_name eq 'redhat' )
         {