diff --git a/osmo-cn-latest/osmo-msc.cfg b/osmo-cn-latest/osmo-msc.cfg
index c7649fc2..15a25aa9 100644
--- a/osmo-cn-latest/osmo-msc.cfg
+++ b/osmo-cn-latest/osmo-msc.cfg
@@ -15,6 +15,8 @@ line vty
 cs7 instance 0
  asp asp-clnt-OsmoMSC-A-Iu 2905 2904 m3ua
   remote-ip 192.168.42.10
+  role asp
+  sctp-role client
 network
  network country code 901
  mobile network code 99
diff --git a/osmo-cn-latest/osmo-msc.cfg.base b/osmo-cn-latest/osmo-msc.cfg.base
index da61a492..8f1b0c12 100644
--- a/osmo-cn-latest/osmo-msc.cfg.base
+++ b/osmo-cn-latest/osmo-msc.cfg.base
@@ -15,6 +15,8 @@ line vty
 cs7 instance 0
  asp asp-clnt-OsmoMSC-A-Iu 2905 2904 m3ua
   remote-ip 192.168.42.10
+  role asp
+  sctp-role client
 network
  network country code 901
  mobile network code 1
diff --git a/osmo-hnbgw-latest/osmo-hnbgw.cfg b/osmo-hnbgw-latest/osmo-hnbgw.cfg
index 8bffd760..36c8f8c4 100644
--- a/osmo-hnbgw-latest/osmo-hnbgw.cfg
+++ b/osmo-hnbgw-latest/osmo-hnbgw.cfg
@@ -23,6 +23,8 @@ cs7 instance 0
  point-code 0.23.5
  asp asp-clnt-OsmoHNBGW 2905 0 m3ua
   remote-ip 172.18.0.200
+  role asp
+  sctp-role client
  sccp-address msc
   point-code 0.23.2
  sccp-address sgsn
diff --git a/osmo-hnbgw-master/osmo-hnbgw.cfg b/osmo-hnbgw-master/osmo-hnbgw.cfg
index 5608e3ec..3c6fa988 100644
--- a/osmo-hnbgw-master/osmo-hnbgw.cfg
+++ b/osmo-hnbgw-master/osmo-hnbgw.cfg
@@ -26,6 +26,8 @@ cs7 instance 0
  point-code 0.23.5
  asp asp-clnt-OsmoHNBGW 2905 0 m3ua
   remote-ip 172.18.0.200
+  role asp
+  sctp-role client
  sccp-address msc
   point-code 0.23.2
  sccp-address sgsn
diff --git a/ttcn3-bsc-test-vamos/osmo-bsc.cfg b/ttcn3-bsc-test-vamos/osmo-bsc.cfg
index bf339fa6..98f13042 100644
--- a/ttcn3-bsc-test-vamos/osmo-bsc.cfg
+++ b/ttcn3-bsc-test-vamos/osmo-bsc.cfg
@@ -58,6 +58,8 @@ cs7 instance 0
   local-ip fd02:db8:31::20
   remote-ip 172.18.31.200
   remote-ip fd02:db8:31::200
+  role asp
+  sctp-role client
  sccp-address msc2
   point-code 0.0.2
  sccp-address msc3
diff --git a/ttcn3-bsc-test/osmo-bsc.cfg b/ttcn3-bsc-test/osmo-bsc.cfg
index ef7ffaeb..5902b1d3 100644
--- a/ttcn3-bsc-test/osmo-bsc.cfg
+++ b/ttcn3-bsc-test/osmo-bsc.cfg
@@ -68,6 +68,8 @@ cs7 instance 0
   local-ip fd02:db8:2::20
   remote-ip 172.18.2.200
   remote-ip fd02:db8:2::200
+  role asp
+  sctp-role client
  sccp-address msc2
   point-code 0.0.2
  sccp-address msc3
diff --git a/ttcn3-bsc-test/sccplite/osmo-bsc.cfg b/ttcn3-bsc-test/sccplite/osmo-bsc.cfg
index c680ef7c..423f6d9b 100644
--- a/ttcn3-bsc-test/sccplite/osmo-bsc.cfg
+++ b/ttcn3-bsc-test/sccplite/osmo-bsc.cfg
@@ -57,6 +57,8 @@ cs7 instance 0
  asp asp-clnt-msc-0 5000 0 ipa
   local-ip 172.18.12.20
   remote-ip 172.18.12.203
+  role asp
+  sctp-role client
  as as-clnt-msc-0 ipa
   asp asp-clnt-msc-0
   routing-key 0 0.23.3
diff --git a/ttcn3-hnbgw-test/osmo-hnbgw.cfg b/ttcn3-hnbgw-test/osmo-hnbgw.cfg
index e116c79f..61d6236d 100644
--- a/ttcn3-hnbgw-test/osmo-hnbgw.cfg
+++ b/ttcn3-hnbgw-test/osmo-hnbgw.cfg
@@ -24,6 +24,8 @@ cs7 instance 0
  asp asp-clnt-msc-0 2905 2905 m3ua
   local-ip 172.18.35.20
   remote-ip 172.18.35.200
+  role asp
+  sctp-role client
  point-code 0.23.5
  sccp-address msc
   routing-indicator PC
diff --git a/ttcn3-hnbgw-test/with-pfcp/osmo-hnbgw.cfg b/ttcn3-hnbgw-test/with-pfcp/osmo-hnbgw.cfg
index ce8e673a..329ea7df 100644
--- a/ttcn3-hnbgw-test/with-pfcp/osmo-hnbgw.cfg
+++ b/ttcn3-hnbgw-test/with-pfcp/osmo-hnbgw.cfg
@@ -24,6 +24,8 @@ cs7 instance 0
  asp asp-clnt-msc-0 2905 2905 m3ua
   local-ip 172.18.35.20
   remote-ip 172.18.35.200
+  role asp
+  sctp-role client
  point-code 0.23.5
  sccp-address msc
   routing-indicator PC
diff --git a/ttcn3-msc-test/osmo-msc.cfg b/ttcn3-msc-test/osmo-msc.cfg
index 903b5bd1..dabf1428 100644
--- a/ttcn3-msc-test/osmo-msc.cfg
+++ b/ttcn3-msc-test/osmo-msc.cfg
@@ -61,6 +61,8 @@ cs7 instance 0
   local-ip fd02:db8:20::10
   remote-ip 172.18.20.200
   remote-ip fd02:db8:20::200
+  role asp
+  sctp-role client
  as as-clnt-OsmoMSC-A m3ua
   asp asp-clnt-OsmoMSC-A
   routing-key 3 0.23.1
diff --git a/ttcn3-sgsn-test/osmo-sgsn.cfg b/ttcn3-sgsn-test/osmo-sgsn.cfg
index 73d55e7f..0fb826a8 100644
--- a/ttcn3-sgsn-test/osmo-sgsn.cfg
+++ b/ttcn3-sgsn-test/osmo-sgsn.cfg
@@ -57,6 +57,8 @@ cs7 instance 0
   local-ip fd02:db8:8::10
   remote-ip 172.18.8.200
   remote-ip fd02:db8:8::200
+  role asp
+  sctp-role client
  as as-clnt-OsmoSGSN-A m3ua
   asp asp-clnt-OsmoSGSN-A
   routing-key 3 0.23.4
diff --git a/ttcn3-smlc-test/osmo-smlc.cfg b/ttcn3-smlc-test/osmo-smlc.cfg
index 3bba0b33..7da21632 100644
--- a/ttcn3-smlc-test/osmo-smlc.cfg
+++ b/ttcn3-smlc-test/osmo-smlc.cfg
@@ -21,7 +21,8 @@ cs7 instance 0
   local-ip fd02:db8:23::20
   remote-ip 172.18.23.200
   remote-ip fd02:db8:23::200
-
+  role asp
+  sctp-role client
 cells
  lac-ci 23 42 lat 23.23 lon 42.42
  cgi 001 02 3 4 lat 5.678 lon 6.789