diff --git a/tests/test_nodes.vty b/tests/test_nodes.vty
index 9fa9d2a..c4ab387 100644
--- a/tests/test_nodes.vty
+++ b/tests/test_nodes.vty
@@ -30,6 +30,8 @@
 OsmoMSC(config-msc)# list
 ...
   assign-tmsi
+  mncc internal
+  mncc external MNCC_SOCKET_PATH
   mncc guard-timeout <0-255>
   no assign-tmsi
   auth-tuple-max-reuse-count <-1-2147483647>
@@ -46,6 +48,29 @@
   mgw bts-base <0-65534>
 ...
 
+OsmoMSC(config-msc)# mncc?
+  mncc  Configure Mobile Network Call Control
+
+OsmoMSC(config-msc)# mncc ?
+  internal       Use internal MNCC handler (default; changes need a program restart)
+  external       Use external MNCC handler (changes need a program restart)
+  guard-timeout  Set global guard timer for mncc interface activity
+
+OsmoMSC(config-msc)# mncc external ?
+  MNCC_SOCKET_PATH  File system path to create the MNCC unix domain socket at
+
+OsmoMSC(config-msc)# mncc external /path/not/used
+OsmoMSC(config-msc)# show running-config
+...
+msc
+...
+ mncc external /path/not/used
+...
+
+OsmoMSC(config-msc)# mncc internal
+OsmoMSC(config-msc)# show running-config
+... ! mncc external
+
 OsmoMSC(config-msc)# exit
 OsmoMSC(config)# mncc-int
 OsmoMSC(config-mncc-int)# list