diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn
index dc9d07c..31c1056 100644
--- a/ggsn_tests/GGSN_Tests.ttcn
+++ b/ggsn_tests/GGSN_Tests.ttcn
@@ -22,6 +22,7 @@
 	import from GTPC_Types all;
 	import from GTPU_Types all;
 	import from IPCP_Types all;
+	import from PAP_Types all;
 	import from IP_Types all;
 	import from ICMP_Types all;
 	import from ICMPv6_Types all;
@@ -932,6 +933,39 @@
 		f_pdp_ctx_del(ctx, '1'B);
 	}
 
+	/* Test PDP context activation for dynamic IPv4 EUA with IPv4 DNS in IPCP + PAP authentication (broken) */
+	testcase TC_pdp4_act_deact_ipcp_pap_broken() runs on GT_CT {
+		f_init();
+		var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1);
+		var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2);
+		var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn)));
+		ctx.pco_req := valueof(ts_PCO_PAP_IPv4_DNS);
+		f_pdp_ctx_act(ctx);
+		f_PCO_ensure_no_duplicates(ctx.pco_neg);
+		/* verify IPCP is at all contained */
+		if (not match(ctx.pco_neg, tr_PCO_Contains('8021'O))) {
+			setverdict(fail, "IPCP not found in PCO");
+		}
+		/* verify IPCP contains both primary and secondary DNS */
+		var IpcpPacket ipcp := dec_IpcpPacket(f_PCO_extract_proto(ctx.pco_neg, '8021'O));
+		if (not match(ipcp, tr_IPCP_Ack_DNS(0, ggsn_ip4_dns1, ggsn_ip4_dns2))) {
+			if (not match(ipcp, tr_IPCP_Ack_DNS(0))) {
+				setverdict(fail, "Primary/Secondary DNS PCO IPCP option not found");
+			} else {
+				setverdict(fail, "Primary/Secondary DNS PCO IPCP option found but not matching expected values");
+			}
+		}
+		/* verify that PAP is contained */
+		if (not match(ctx.pco_neg, tr_PCO_Contains('C023'O))) {
+			setverdict(fail, "PAP not found in PCO");
+		}
+		var PapPacket pap := dec_PapPacket(f_PCO_extract_proto(ctx.pco_neg, 'C023'O));
+		if (not match(pap, tr_PAP_AuthAck)) {
+			setverdict(fail, "PAP isn't an AuthenticateAck: ", pap);
+		}
+		f_pdp_ctx_del(ctx, '1'B);
+	}
+
 	/* Test PDP context activation for dynamic IPv4 EUA with IPv4 DNS in PCO */
 	testcase TC_pdp4_act_deact_pcodns() runs on GT_CT {
 		f_init();
@@ -1277,6 +1311,7 @@
 	control {
 		execute(TC_pdp4_act_deact());
 		execute(TC_pdp4_act_deact_ipcp());
+		execute(TC_pdp4_act_deact_ipcp_pap_broken());
 		execute(TC_pdp4_act_deact_pcodns());
 		execute(TC_pdp4_act_deact_gtpu_access());
 		execute(TC_pdp4_clients_interact_with_txseq());