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-rw-r--r--test/test_snat.py32
1 files changed, 31 insertions, 1 deletions
diff --git a/test/test_snat.py b/test/test_snat.py
index b455e620..42b07193 100644
--- a/test/test_snat.py
+++ b/test/test_snat.py
@@ -560,7 +560,7 @@ class TestSNAT(MethodHolder):
self.verify_capture_out_with_icmp_errors(capture)
def test_ping_out_interface_from_outside(self):
- """ Ping SNAT out interface from outside """
+ """ Ping SNAT out interface from outside network """
self.snat_add_address(self.snat_addr)
self.vapi.snat_interface_add_del_feature(self.pg0.sw_if_index)
@@ -587,6 +587,36 @@ class TestSNAT(MethodHolder):
"(outside network):", packet))
raise
+ def test_ping_internal_host_from_outside(self):
+ """ Ping internal host from outside network """
+
+ self.snat_add_static_mapping(self.pg0.remote_ip4, self.snat_addr)
+ self.vapi.snat_interface_add_del_feature(self.pg0.sw_if_index)
+ self.vapi.snat_interface_add_del_feature(self.pg1.sw_if_index,
+ is_inside=0)
+
+ # out2in
+ pkt = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.snat_addr, ttl=64) /
+ ICMP(id=self.icmp_id_out, type='echo-request'))
+ self.pg1.add_stream(pkt)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ self.verify_capture_in(capture, self.pg0, packet_num=1)
+ self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
+
+ # in2out
+ pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, ttl=64) /
+ ICMP(id=self.icmp_id_in, type='echo-reply'))
+ self.pg0.add_stream(pkt)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ self.verify_capture_out(capture, same_port=True, packet_num=1)
+ self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
+
def test_static_in(self):
""" SNAT 1:1 NAT initialized from inside network """