diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn
index 97abc4d..6ae205f 100644
--- a/ggsn_tests/GGSN_Tests.ttcn
+++ b/ggsn_tests/GGSN_Tests.ttcn
@@ -105,12 +105,29 @@
 	private function f_vty_set_gpdu_txseq(boolean enable) runs on GT_CT {
 		f_vty_enter_config(GGSNVTY);
 		f_vty_transceive(GGSNVTY, "ggsn ggsn0");
+
 		f_vty_transceive(GGSNVTY, "apn internet");
 		if (enable) {
 			f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers");
 		} else {
 			f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers");
 		}
+		f_vty_transceive(GGSNVTY, "exit");
+
+		f_vty_transceive(GGSNVTY, "apn inet6");
+		if (enable) {
+			f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers");
+		} else {
+			f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers");
+		}
+		f_vty_transceive(GGSNVTY, "exit");
+
+		f_vty_transceive(GGSNVTY, "apn inet46");
+		if (enable) {
+			f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers");
+		} else {
+			f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers");
+		}
 		f_vty_transceive(GGSNVTY, "end");
 	}
 
diff --git a/ggsn_tests/expected-results.xml b/ggsn_tests/expected-results.xml
index 383ea39..081325e 100644
--- a/ggsn_tests/expected-results.xml
+++ b/ggsn_tests/expected-results.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0"?>
-<testsuite name='GGSN_Tests' tests='11' failures='1' errors='0' skipped='0' inconc='0' time='MASKED'>
+<testsuite name='GGSN_Tests' tests='14' failures='1' errors='0' skipped='0' inconc='0' time='MASKED'>
   <testcase classname='GGSN_Tests' name='TC_pdp4_act_deact' time='MASKED'/>
   <testcase classname='GGSN_Tests' name='TC_pdp4_act_deact_ipcp' time='MASKED'/>
   <testcase classname='GGSN_Tests' name='TC_pdp4_act_deact_pcodns' time='MASKED'/>
   <testcase classname='GGSN_Tests' name='TC_pdp4_act_deact_gtpu_access' time='MASKED'/>
-  <testcase classname='GGSN_Tests' name='TC_pdp4_clients_interact' time='MASKED'/>
+  <testcase classname='GGSN_Tests' name='TC_pdp4_clients_interact_with_txseq' time='MASKED'/>
+  <testcase classname='GGSN_Tests' name='TC_pdp4_clients_interact_without_txseq' time='MASKED'/>
   <testcase classname='GGSN_Tests' name='TC_pdp4_act_deact_with_single_dns' time='MASKED'/>
   <testcase classname='GGSN_Tests' name='TC_pdp4_act_deact_with_separate_dns' time='MASKED'>
     <failure type='fail-verdict'>Secondary DNS IPv4 PCO option not found