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| author |   Matus Fabian <matfabia@cisco.com> | 2018-11-20 02:19:05 -0800 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-11-20 11:29:29 +0000 |
| commit | 111add7e5d6581bb4eca05cc862a651ff6a09792 (patch) | |
| tree | ceacf2bc84e338eb919b400101112512c7f730a7 /test/test_nat.py | |
| parent | 9162c2d2e2450b7d497ff4be002cf619009f3f9e (diff) | |
NAT44: fix virtual fragmentation reassembly in forwarding mode (VPP-1501)
Change-Id: Id86d8aa8753b9b2ff4c709b11e3901ba8d552918
Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'test/test_nat.py')
| -rw-r--r-- | test/test_nat.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/test_nat.py b/test/test_nat.py index 22e8903caf5..bc476239975 100644 --- a/test/test_nat.py +++ b/test/test_nat.py @@ -3339,6 +3339,32 @@ class TestNAT44(MethodHolder): self.frag_in_order(proto=IP_PROTOS.udp) self.frag_in_order(proto=IP_PROTOS.icmp) + def test_frag_forwarding(self): + """ NAT44 forwarding fragment test """ + self.vapi.nat44_add_interface_addr(self.pg1.sw_if_index) + self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index) + self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index, + is_inside=0) + self.vapi.nat44_forwarding_enable_disable(1) + + data = "A" * 16 + "B" * 16 + "C" * 3 + pkts = self.create_stream_frag(self.pg1, + self.pg0.remote_ip4, + 4789, + 4789, + data, + proto=IP_PROTOS.udp) + self.pg1.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + frags = self.pg0.get_capture(len(pkts)) + p = self.reass_frags_and_verify(frags, + self.pg1.remote_ip4, + self.pg0.remote_ip4) + self.assertEqual(p[UDP].sport, 4789) + self.assertEqual(p[UDP].dport, 4789) + self.assertEqual(data, p[Raw].load) + def test_reass_hairpinning(self): """ NAT44 fragments hairpinning """ |