diff --git a/dp-core/vr_interface.c b/dp-core/vr_interface.c
index 1d5cfea1c..eb6e2394d 100644
--- a/dp-core/vr_interface.c
+++ b/dp-core/vr_interface.c
@@ -2106,7 +2106,7 @@ __vr_interface_make_req(vr_interface_req *req, struct vr_interface *intf,
     req->vifr_oerrors = 0;
     /* queue counters */
     req->vifr_queue_ipackets = 0;
-    for (i = 0; i < VR_MAX_CPUS; i++)
+    for (i = 0; i < vr_num_cpus; i++)
         req->vifr_queue_ierrors_to_lcore[i] = 0;
     req->vifr_queue_ierrors = 0;
     req->vifr_queue_opackets = 0;
@@ -2219,13 +2219,19 @@ vr_interface_make_req(vr_interface_req *req, struct vr_interface *vif,
 unsigned int
 vr_interface_req_get_size(void *req_p)
 {
+    unsigned int size;
     vr_interface_req *req = (vr_interface_req *)req_p;
 
+
     /*
      * Standard interface request size + both ingress and egress
      * metadata size
      */
-    return ((4 * sizeof(*req)) + (2 * VIF_MAX_MIRROR_MD_SIZE));
+    size = ((4 * sizeof(*req)) + (2 * VIF_MAX_MIRROR_MD_SIZE));
+    if (req->vifr_queue_ierrors_to_lcore)
+        size += (vr_num_cpus * sizeof(int64_t));
+
+    return size;
 }
 
 static vr_interface_req *
@@ -2247,7 +2253,7 @@ vr_interface_req_get(void)
     req->vifr_name = vr_zalloc(VR_INTERFACE_NAME_LEN,
             VR_INTERFACE_REQ_NAME_OBJECT);
 
-    req->vifr_queue_ierrors_to_lcore = vr_zalloc(VR_MAX_CPUS * sizeof(uint64_t),
+    req->vifr_queue_ierrors_to_lcore = vr_zalloc(vr_num_cpus * sizeof(uint64_t),
             VR_INTERFACE_REQ_TO_LCORE_ERRORS_OBJECT);
     if (req->vifr_queue_ierrors_to_lcore)
         req->vifr_queue_ierrors_to_lcore_size = 0;
diff --git a/include/vr_interface.h b/include/vr_interface.h
index 646e34ac6..8698b49b4 100644
--- a/include/vr_interface.h
+++ b/include/vr_interface.h
@@ -330,4 +330,5 @@ extern void vr_set_vif_ptr(struct net_device *dev, void *vif);
 #endif
 extern fat_flow_port_mask_t vif_fat_flow_lookup(struct vr_interface *,
         uint8_t, uint16_t, uint16_t);
+extern unsigned int vr_interface_req_get_size(void *);
 #endif /* __VR_INTERFACE_H__ */
diff --git a/include/vrouter.h b/include/vrouter.h
index bae322bab..27fb22df0 100644
--- a/include/vrouter.h
+++ b/include/vrouter.h
@@ -15,6 +15,7 @@ extern "C" {
 #include "vr_interface.h"
 #include "vr_qos.h"
 #include "vr_flow.h"
+#include "vr_interface.h"
 #include "vr_nexthop.h"
 #include "vr_route.h"
 #include "vr_response.h"
diff --git a/utils/vif.c b/utils/vif.c
index 31bdd7b2a..ed4f6f18a 100644
--- a/utils/vif.c
+++ b/utils/vif.c
@@ -666,6 +666,13 @@ rate_process(vr_interface_req *req, vr_interface_req *prev_req)
         temp_prev_req_ptr = prev_req->vifr_queue_ierrors_to_lcore;
         *prev_req = *req;
         prev_req->vifr_queue_ierrors_to_lcore = temp_prev_req_ptr;
+        if (!prev_req->vifr_queue_ierrors_to_lcore) {
+            prev_req->vifr_queue_ierrors_to_lcore =
+                malloc(req->vifr_queue_ierrors_to_lcore_size * sizeof(uint64_t));
+            if (!prev_req->vifr_queue_ierrors_to_lcore)
+                return;
+        }
+
         memcpy(prev_req->vifr_queue_ierrors_to_lcore,
             req->vifr_queue_ierrors_to_lcore,
             req->vifr_queue_ierrors_to_lcore_size * sizeof(uint64_t));
@@ -674,7 +681,8 @@ rate_process(vr_interface_req *req, vr_interface_req *prev_req)
     }
 
     rate_req_temp = *req;
-    rate_req_temp.vifr_queue_ierrors_to_lcore = calloc(VR_MAX_CPUS, sizeof(uint64_t));
+    rate_req_temp.vifr_queue_ierrors_to_lcore =
+        calloc(req->vifr_queue_ierrors_to_lcore_size, sizeof(uint64_t));
 
     if (!rate_req_temp.vifr_queue_ierrors_to_lcore) {
         fprintf(stderr, "Fail, memory allocation. (%s:%d).", __FILE__ , __LINE__);
@@ -1552,17 +1560,6 @@ main(int argc, char *argv[])
         vr_intf_op(cl, vr_op);
 
     } else {
-        for (i = 0; i < VR_MAX_INTERFACES; i++) {
-
-            prev_req[i].vifr_queue_ierrors_to_lcore =
-                (calloc(VR_MAX_CPUS, sizeof(uint64_t)));
-
-            if (!(prev_req[i].vifr_queue_ierrors_to_lcore)) {
-                fprintf(stderr, "Fail, memory allocation. (%s:%d).", __FILE__ , __LINE__);
-                exit(1);
-            }
-        }
-
         fcntl(STDIN_FILENO, F_SETFL, fcntl(STDIN_FILENO, F_GETFL) | O_NONBLOCK);
         /*
          * tc[get/set]attr functions are for changing terminal behavior.