diff --git a/testbench/scb_top/main.sv b/testbench/scb_top/main.sv
index 017f0e2c6089d114e1798b160ff5d451290daeea..1f2bbae649fe5746bc9c53c1e49b0b6f4a1e3e64 100644
--- a/testbench/scb_top/main.sv
+++ b/testbench/scb_top/main.sv
@@ -1977,7 +1977,7 @@ module main;
   /*
    * test 100% load
    **/
-///*
+/*
   initial begin
     portUnderTest        = 18'b100000000000000001;   
 //     portUnderTest        = 18'b111111111111111111;   
@@ -2003,8 +2003,119 @@ module main;
                          // tx  ,rx ,opt
 //     trans_paths[0]       = '{0  ,17 ,1000};
 //     trans_paths[17]      = '{17  ,0 ,1000};
+  end
+*/
+
+ /** ***************************   test scenario 62  ************************************* **/ 
+  /*
+   * test 100% (high) load for 2 streams of small frames
+   **/
+/*
+  initial begin
+    portUnderTest        = 18'b110000000000000011;    
+    g_enable_pck_gaps    = 0;
+    repeat_number        = 500000;
+    tries_number         = 1;  
+    g_force_payload_size = 46;  
+
+    g_is_qvlan           = 0;
+                         // tx  ,rx ,opt
+    trans_paths[0]       = '{0  ,17 ,0};
+    trans_paths[17]      = '{17  ,0 ,0};
+
+    trans_paths[1]       = '{1  ,16 ,0};
+    trans_paths[16]      = '{16  ,1 ,0};
+
+  end
+*/
+
+ /** ***************************   test scenario 63  ************************************* **/ 
+  /*
+   * test 100% (high) load for tagged frames
+   **/
+/*
+  initial begin
+    portUnderTest        = 18'b100000000000000001;    
+    g_enable_pck_gaps    = 0;
+    repeat_number        = 500000;
+    tries_number         = 1;  
+    g_force_payload_size = 46;  
+    g_is_qvlan           = 1;
+  
+                         // tx  ,rx ,opt
+    trans_paths[0]       = '{0  ,17 ,0};
+    trans_paths[17]      = '{17  ,0 ,0};
+
   end
  //*/
+ /** ***************************   test scenario 64  ************************************* **/ 
+  /*
+   * test 100% (high) with tagging/untagging
+   **/
+///*
+  initial begin
+    portUnderTest        = 18'b100000000000000001;    
+    g_enable_pck_gaps    = 0;
+    repeat_number        = 500000;
+    tries_number         = 1;  
+//     g_force_payload_size = 331;//46;  
+    g_force_payload_size = 88;  // it should be 106 of  the entire frame 
+//     g_set_untagging      = 1;
+//     qmode                = 3;
+    g_is_qvlan           = 0;
+    
+    // strange config -> make some strange wholes.... check this
+//     qmode                = 3;
+//     g_is_qvlan           = 1;    
+                         // tx  ,rx ,opt
+    trans_paths[0]       = '{0  ,17 ,0};
+    trans_paths[17]      = '{17  ,0 ,0};
+
+  end
+//*/
+ /** ***************************   test scenario 65  ************************************* **/ 
+  /*
+   * test 100% (high) with tagging/untagging
+   **/
+/*
+  initial begin
+    portUnderTest        = 18'b100000000000000001;    
+    g_enable_pck_gaps    = 0;
+    repeat_number        = 500000;
+    tries_number         = 1;  
+    g_force_payload_size = 128;//46;  
+    g_set_untagging      = 1;
+//     qmode                = 3;
+//     g_is_qvlan           = 0;
+//     
+    // strange config -> make some strange wholes.... check this
+    qmode                = 3;
+    g_is_qvlan           = 1;    
+                         // tx  ,rx ,opt
+    trans_paths[0]       = '{0  ,17 ,0};
+    trans_paths[17]      = '{17  ,0 ,0};
+
+  end
+ */
+ /** ***************************   test scenario 66  ************************************* **/ 
+  /*
+   * test 100% (high) with tagging/untagging
+   **/
+/*
+  initial begin
+    portUnderTest        = 18'b100000000000000001;    
+    g_enable_pck_gaps    = 0;
+    repeat_number        = 500000;
+    tries_number         = 1;  
+    g_force_payload_size = 46;  
+    
+    g_is_qvlan           = 0;
+                         // tx  ,rx ,opt
+    trans_paths[0]       = '{0  ,17 ,0};
+    trans_paths[17]      = '{17  ,0 ,0};
+
+  end
+ */
 //////////////////////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////////////////////