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stp: TC_tmt_loadshare*: Use new vty command 'binding-table reset'

Reset the eSLS binding table state before starting the test, to run it
with a clean state.

This test also fixes TC_unknown_client_dynamic_tmt_loadshare since it
now resets the table after connecting the 2nd dynamic ASP, which allows
re-distributing all seeds in the table into the new available set of
ASPs.

Depends: libosmo-sigtran.git Change-Id I56c34072a9ded42c13dbfc105a0ab3353ca353ec
Change-Id: I40b7724edcc06a3df641e316be4770d0e56bb72d
---
M stp/STP_Tests_IPA.ttcn
M stp/STP_Tests_M3UA.ttcn
2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/stp/STP_Tests_IPA.ttcn b/stp/STP_Tests_IPA.ttcn
index 88c9312..66e7262 100644
--- a/stp/STP_Tests_IPA.ttcn
+++ b/stp/STP_Tests_IPA.ttcn
@@ -269,7 +269,8 @@
 
 	f_init_ipa();
 
-	f_vty_config2(VTY, {"cs7 instance 0", "as " & mp_ipa_as_names[2] & " ipa"}, "traffic-mode loadshare");
+	f_vty_config3(VTY, {"cs7 instance 0", "as " & mp_ipa_as_names[2] & " ipa"},
+			   { "traffic-mode loadshare", "binding-table reset" });
 
 	/* bring up the 'sender' side (single ASP in AS) */
 	f_connect_ipa(0, unknwon_dynamic_asp);
@@ -284,6 +285,10 @@
 	/* activate the second 'receiver' side ASP */
 	f_connect_ipa(3, unknwon_dynamic_asp);
 
+	/* Since we are using dynamic ASPs, they were unknown by STP until they got connected.
+	 * Hence, reset the binding-table so that load is now properly spread among them: */
+	f_vty_config2(VTY, {"cs7 instance 0", "as " & mp_ipa_as_names[2] & " ipa"}, "binding-table reset" );
+
 	/* verify traffic is routed from sender to new receiver */
 	const integer iter_per_asp := 20;
 	const integer NUM_SLS := 16; /* SLS in ITU is 4 bits. */
diff --git a/stp/STP_Tests_M3UA.ttcn b/stp/STP_Tests_M3UA.ttcn
index ba44b3f..89be9e0 100644
--- a/stp/STP_Tests_M3UA.ttcn
+++ b/stp/STP_Tests_M3UA.ttcn
@@ -663,7 +663,8 @@
 
 	f_init_m3ua();
 
-	f_vty_config2(VTY, {"cs7 instance 0", "as as-receiver m3ua"}, "traffic-mode loadshare");
+	f_vty_config3(VTY, {"cs7 instance 0", "as as-receiver m3ua"},
+			   { "traffic-mode loadshare", "binding-table reset" });
 
 	var OCT4 rctx_sender := int2oct(f_m3ua_cli_config(0).routing_ctx, 4);
 	var OCT4 pc_sender := int2oct(f_m3ua_cli_config(0).point_code, 4);

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