diff --git a/scripts/local_testnet/start_local_testnet.sh b/scripts/local_testnet/start_local_testnet.sh
index a188a1458..aa780339b 100755
--- a/scripts/local_testnet/start_local_testnet.sh
+++ b/scripts/local_testnet/start_local_testnet.sh
@@ -120,7 +120,7 @@ EL_base_auth_http=5000
 (( $VC_COUNT < $BN_COUNT )) && SAS=-s || SAS=
 
 for (( el=1; el<=$BN_COUNT; el++ )); do
-    execute_command_add_PID geth_$el.log ./geth.sh $DATADIR/geth_datadir$el $((EL_base_network + $el)) $((EL_base_http + $el)) $((EL_base_auth_http + $el)) $genesis_file
+    execute_command_add_PID geth_$el.log ./geth.sh $DATADIR/geth_datadir$el $((EL_base_network + $el)) $((EL_base_http + $el)) $((EL_base_auth_http + $el + 10)) $genesis_file
 done
 
 sleeping 20
@@ -130,6 +130,8 @@ sed -i 's/"shanghaiTime".*$/"shanghaiTime": 0,/g' genesis.json
 sed -i 's/"shardingForkTime".*$/"shardingForkTime": 0,/g' genesis.json
 
 for (( bn=1; bn<=$BN_COUNT; bn++ )); do
+
+    execute_command_add_PID json_snoop_$bn.log json_rpc_snoop -p $((EL_base_auth_http + $bn)) -b 0.0.0.0 http://localhost:$((EL_base_auth_http + $bn + 10))
     secret=$DATADIR/geth_datadir$bn/geth/jwtsecret
     echo $secret
     execute_command_add_PID beacon_node_$bn.log ./beacon_node.sh $SAS -d $DEBUG_LEVEL $DATADIR/node_$bn $((BN_udp_tcp_base + $bn)) $((BN_http_port_base + $bn)) http://localhost:$((EL_base_auth_http + $bn)) $secret