diff --git a/scripts/generate_dump b/scripts/generate_dump
index a566a2e763..41bbc0ccd0 100755
--- a/scripts/generate_dump
+++ b/scripts/generate_dump
@@ -874,7 +874,7 @@ save_redis() {
 # Returns:
 #  route
 ###############################################################################
-get_route_table_size_by_asic_id() {
+get_route_table_size_by_asic_id_and_ipver() {
     local asic_id="$1"
     local ip_ver="$2"
     local filepath="/tmp/route_summary.txt"
@@ -930,21 +930,27 @@ save_saidump_by_route_size() {
 
     for (( i=0; i<$NUM_ASICS; i++ ))
     do
-        route_size_ipv4=`get_route_table_size_by_asic_id $i ipv4`
+        route_size_ipv4=`get_route_table_size_by_asic_id_and_ipver $i ipv4`
         ret=$?
+
         if [ $ret -ne 0 ]; then
-            echo "get_route_table_size_by_asic_id $i ipv4 failed."
+            echo "Get route table's size by asicid $i and ipv4 failed."
             return $ret
         fi
-        route_size_ipv6=`get_route_table_size_by_asic_id $i ipv6`
+
+        route_size_ipv6=`get_route_table_size_by_asic_id_and_ipver $i ipv6`
         ret=$?
+
         if [ $ret -ne 0 ]; then
-            echo "get_route_table_size_by_asic_id $i ipv6 failed."
+            echo "Get route table's size by asicid $i and ipv6 failed."
             return $ret
         fi
-        if [[ $route_size_ipv4 -gt $ROUTE_TAB_LIMIT_DIRECT_ITERATION ||
-            $route_size_ipv6 -gt $ROUTE_TAB_LIMIT_DIRECT_ITERATION ]]; then
-            echo "dump by using Redis save"
+
+        route_size=`expr $route_size_ipv4 + $route_size_ipv6`
+        echo "The route table's size is $route_size(ipv4 $route_size_ipv4, ipv6 $route_size_ipv6)"
+
+        if [[ $route_size -gt $ROUTE_TAB_LIMIT_DIRECT_ITERATION ]]; then
+            echo "Dump by using Redis SAVE."
 
             if [[ ( "$NUM_ASICS" == 1 ) ]] ; then
                 save_cmd "saidump.sh" "saidump"
@@ -953,6 +959,7 @@ save_saidump_by_route_size() {
             fi
         else
             echo "dump by using direct iteration"
+
             if [[ ( "$NUM_ASICS" == 1 ) ]] ; then
                 save_cmd "docker exec syncd saidump" "saidump"
             else