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-rw-r--r--src/plugins/nat/in2out_ed.c1
-rw-r--r--src/plugins/nat/test/test_nat.py47
2 files changed, 47 insertions, 1 deletions
diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c
index 45d9fd0b32c..0f1500f5e06 100644
--- a/src/plugins/nat/in2out_ed.c
+++ b/src/plugins/nat/in2out_ed.c
@@ -386,7 +386,6 @@ slow_path_ed (snat_main_t * sm,
{
nat_elog_notice ("addresses exhausted");
b->error = node->errors[NAT_IN2OUT_ED_ERROR_OUT_OF_PORTS];
- nat_free_session_data (sm, s, thread_index, 0);
nat_ed_session_delete (sm, s, thread_index, 1);
return NAT_NEXT_DROP;
}
diff --git a/src/plugins/nat/test/test_nat.py b/src/plugins/nat/test/test_nat.py
index 2ba7a9b78f3..1b3c7e7a8b1 100644
--- a/src/plugins/nat/test/test_nat.py
+++ b/src/plugins/nat/test/test_nat.py
@@ -4712,6 +4712,53 @@ class TestNAT44EndpointDependent(MethodHolder):
sessions = self.statistics.get_counter('/nat44/total-sessions')
self.assertEqual(sessions[0][0], 3)
+ def test_dynamic_out_of_ports(self):
+ """ NAT44 dynamic translation test: out of ports """
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(1, nat_config.endpoint_dependent)
+
+ # in2out and no NAT addresses added
+ err_old = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/out of ports')
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(0, timeout=1)
+
+ err_new = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/out of ports')
+
+ self.assertEqual(err_new - err_old, len(pkts))
+
+ # in2out after NAT addresses added
+ self.nat44_add_address(self.nat_addr)
+
+ err_old = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/out of ports')
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ err_new = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/out of ports')
+
+ self.assertEqual(err_new, err_old)
+
def test_dynamic_output_feature_vrf(self):
""" NAT44 dynamic translation test: output-feature, VRF"""