NAT44: interface output feature and service host direct access (VPP-1176)
forwarding mode:
session initiaded from service host - translate
session initiaded from remote host - do not translate
Change-Id: I48170ee8e4ad14d3d3083ee31a40ef8d10d6ff32
Signed-off-by: Matus Fabian <matfabia@cisco.com>
diff --git a/test/test_nat.py b/test/test_nat.py
index 7ff3f85..ec2009e 100644
--- a/test/test_nat.py
+++ b/test/test_nat.py
@@ -3369,6 +3369,50 @@
self.logger.error(ppp("Unexpected or invalid packet:", p))
raise
+ def test_output_feature_and_service2(self):
+ """ NAT44 interface output feature and service host direct access """
+ self.vapi.nat44_forwarding_enable_disable(1)
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
+ is_inside=0)
+
+ # session initiaded from service host - translate
+ 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)
+
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ tcp_port_out = self.tcp_port_out
+ udp_port_out = self.udp_port_out
+ icmp_id_out = self.icmp_id_out
+
+ # session initiaded from remote host - do not translate
+ pkts = self.create_stream_out(self.pg1,
+ self.pg0.remote_ip4,
+ use_inside_ports=True)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ 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, nat_ip=self.pg0.remote_ip4,
+ same_port=True)
+
def test_one_armed_nat44(self):
""" One armed NAT44 """
remote_host = self.pg9.remote_hosts[0]