From f7e655d69a3325b8050eb09bc6065fac10bcb81b Mon Sep 17 00:00:00 2001 From: Martin Gálik Date: Thu, 27 Apr 2017 02:13:26 -0700 Subject: CGN: Send ICMP error packet if user is out of sessions available MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I19a6015fde7342588cfa9c7a4f07016aa339cc72 Signed-off-by: Martin Gálik --- test/test_snat.py | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'test') diff --git a/test/test_snat.py b/test/test_snat.py index f90d9067..da9f1b0b 100644 --- a/test/test_snat.py +++ b/test/test_snat.py @@ -1895,12 +1895,24 @@ class TestDeterministicNAT(MethodHolder): p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / - UDP(sport=3000, dport=3000)) + UDP(sport=3001, dport=3002)) self.pg0.add_stream(p) self.pg_enable_capture(self.pg_interfaces) self.pg_start() capture = self.pg1.assert_nothing_captured() + # verify ICMP error packet + capture = self.pg0.get_capture(1) + p = capture[0] + self.assertTrue(p.haslayer(ICMP)) + icmp = p[ICMP] + self.assertEqual(icmp.type, 3) + self.assertEqual(icmp.code, 1) + self.assertTrue(icmp.haslayer(IPerror)) + inner_ip = icmp[IPerror] + self.assertEqual(inner_ip[UDPerror].sport, 3001) + self.assertEqual(inner_ip[UDPerror].dport, 3002) + dms = self.vapi.snat_det_map_dump() self.assertEqual(1000, dms[0].ses_num) -- cgit 1.2.3-korg