diff --git a/ansible/install_config/group_vars/rpm_version.yml b/ansible/install_config/group_vars/rpm_version.yml
index e76768da..5118f2b5 100644
--- a/ansible/install_config/group_vars/rpm_version.yml
+++ b/ansible/install_config/group_vars/rpm_version.yml
@@ -102,7 +102,7 @@ tsg_os_clixon_rpm_version:
   tsg-os-mgnt-srv: tsg-os-mgnt-srv-1.0.27.e7ac6a9
 
 sce_rpm_version:
-  sce: sce-1.0.02.cc397f4
+  sce: sce-1.0.03.73486ef
 
 bfdd_rpm_version:
   bfdd: need-to-modify
\ No newline at end of file
diff --git a/ansible/roles/traffic-engine/files/helm/conf/sce.conf b/ansible/roles/traffic-engine/files/helm/conf/sce.conf
index e6cc4b7a..42c251f8 100644
--- a/ansible/roles/traffic-engine/files/helm/conf/sce.conf
+++ b/ansible/roles/traffic-engine/files/helm/conf/sce.conf
@@ -22,10 +22,10 @@ foreign_cont_dir=resource/foreign_files
 redis_db_idx={{ .Values.vsys_id }}
 redis_server={{ .Values.external_resources.cm.address }}
 redis_port_range={{ .Values.external_resources.cm.port }}
+max_chaining_size=32
 
 [packet_io]
 # bypass_all_traffic:1 NF2NF and SF2SF
-# bypass_all_traffic:2 NF2SF and SF2NF
 bypass_all_traffic=0
 rx_burst_max=128
 app_symbol=sce
@@ -37,10 +37,6 @@ dev_endpoint_src_ip={{ .Values.sce.endpoint_ip }}
 # If the configuration file has src mac set, use the src mac in the file
 # dev_endpoint_src_mac=aa:aa:aa:aa:aa:aa
 
-# only used for bypass_all_traffic=2
-default_dst_ip=192.168.100.2
-default_dst_mac=bb:bb:bb:bb:bb:bb
-
 [stat]
 output_file=log/sce.fs2
 statsd_server=127.0.0.1