diff --git a/bbsim/values.yaml b/bbsim/values.yaml
index f9a4e2e..26278c6 100644
--- a/bbsim/values.yaml
+++ b/bbsim/values.yaml
@@ -31,9 +31,13 @@
 dhcp: false
 delay: 200
 c_tag: 900
+c_tag_allocation: unique
 s_tag: 900
+s_tag_allocation: shared
+sadisFormat: att
 log_level: '{{ .Values.defaults.log_level }}'
 
+
 # TODO read this values in the config
 olt_tcp_port: 50060
 bbsim_api_port: 50070