diff --git a/targets/PROJECTS/SPECTRA/build_all.bash b/targets/PROJECTS/SPECTRA/build_all.bash
index c678cacdaad45bc200ea7614abd553241e1f7aa0..9f6a293d17c731b0f53c507d5e228acd26627f7b 100755
--- a/targets/PROJECTS/SPECTRA/build_all.bash
+++ b/targets/PROJECTS/SPECTRA/build_all.bash
@@ -38,7 +38,7 @@ echo_success "###############################"
 cd $OPENAIR_TARGETS/SIMU/USER
 #make clean > /dev/null 
 #make cleancell >/dev/null
-echo_success "Executing: make oaisim NAS=1 OAI_NW_DRIVER_TYPE_ETHERNET=1 ENABLE_ITTI=1 USER_MODE=1 OPENAIR2=1 ENABLE_RAL=1 MIH_C_MEDIEVAL_EXTENSIONS=1 Rel10=1 -j`grep -c ^processor /proc/cpuinfo `"
+echo_success "Executing: make oaisim NAS=1 OAI_NW_DRIVER_TYPE_ETHERNET=1 ENABLE_ITTI=1 USER_MODE=1 OPENAIR2=1 ENABLE_RAL=1 MIH_C_MEDIEVAL_EXTENSIONS=1 RLC_STOP_ON_LOST_PDU=1 Rel10=1 -j`grep -c ^processor /proc/cpuinfo `"
 make oaisim NAS=1 OAI_NW_DRIVER_TYPE_ETHERNET=1 ENABLE_ITTI=1 USER_MODE=1 OPENAIR2=1 ENABLE_RAL=1 MIH_C_MEDIEVAL_EXTENSIONS=1 RLC_STOP_ON_LOST_PDU=1 Rel10=1 -j`grep -c ^processor /proc/cpuinfo `
 #make oaisim NAS=1 OAI_NW_DRIVER_TYPE_ETHERNET=1 ENABLE_ITTI=1 USER_MODE=1 OPENAIR2=1 ENABLE_RAL=1 MIH_C_MEDIEVAL_EXTENSIONS=1 Rel10=1 
 if [[ $? -eq 2 ]] ; then
diff --git a/targets/PROJECTS/SPECTRA/start_enb.bash b/targets/PROJECTS/SPECTRA/start_enb.bash
index 81e9d8673dbc5254baf27a8f4be3199988e668f8..4d6de50c47590c5db2561440c039e331ac156b70 100755
--- a/targets/PROJECTS/SPECTRA/start_enb.bash
+++ b/targets/PROJECTS/SPECTRA/start_enb.bash
@@ -106,8 +106,14 @@ ip route add 239.0.0.160/28 dev $EMULATION_DEV_INTERFACE
 
 #wait_process_started odtone-mihf
 
+NOW=$(date +"%Y-%m-%d.%Hh_%Mm_%Ss")
+#LOG_FILE="/tmp/oai_sim_enb_$NOW.log"
 
-$OPENAIR_TARGETS/SIMU/USER/oaisim -a  -l9 -u0 -b1 -M0 -p2  -g1 -D $EMULATION_DEV_INTERFACE  \
+LOG_FILE="/tmp/oai_sim_enb.log"
+rm -f $LOG_FILE
+
+
+$OPENAIR_TARGETS/SIMU/USER/oaisim -a  -K $LOG_FILE -l9 -u0 -b1 -M0 -p2  -g1 -D $EMULATION_DEV_INTERFACE  \
              --enb-ral-listening-port   1234\
              --enb-ral-link-id          enb_lte_link\
              --enb-ral-ip-address       127.0.0.1\
diff --git a/targets/PROJECTS/SPECTRA/start_ue.bash b/targets/PROJECTS/SPECTRA/start_ue.bash
index bbebe9920929acc049df23b473ca16bc43bb077a..c14c4d7e93f998a59c9476f98066b75e1cb4d595 100755
--- a/targets/PROJECTS/SPECTRA/start_ue.bash
+++ b/targets/PROJECTS/SPECTRA/start_ue.bash
@@ -86,9 +86,9 @@ wait_process_started odtone-mihf
 sleep 3
 
 NOW=$(date +"%Y-%m-%d.%Hh_%Mm_%Ss")
-#LOG_FILE="./oai_sim_ue_$NOW.log"
+#LOG_FILE="/tmp/oai_sim_ue_$NOW.log"
 
-LOG_FILE="./oai_sim_ue.log"
+LOG_FILE="/tmp/oai_sim_ue.log"
 rm -f $LOG_FILE
 
 xterm -hold -e gdb --args $OPENAIR_TARGETS/SIMU/USER/oaisim -a -K $LOG_FILE -l9 -u1 -b0 -M1 -p2 -g1 -D $EMULATION_DEV_INTERFACE  \