6 from framework import VppTestCase, VppTestRunner
7 from vpp_ip import DpoProto
8 from vpp_ip_route import VppIpRoute, VppRoutePath
9 from util import fragment_rfc791, fragment_rfc8200
12 from scapy.layers.l2 import Ether
13 from scapy.packet import Raw
14 from scapy.layers.inet import IP, UDP, ICMP, TCP
15 from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded, IPv6ExtHdrFragment, \
16 ICMPv6EchoRequest, ICMPv6DestUnreach
19 class TestMAP(VppTestCase):
24 super(TestMAP, cls).setUpClass()
27 def tearDownClass(cls):
28 super(TestMAP, cls).tearDownClass()
31 super(TestMAP, self).setUp()
33 # create 2 pg interfaces
34 self.create_pg_interfaces(range(4))
36 # pg0 is 'inside' IPv4
39 self.pg0.resolve_arp()
41 # pg1 is 'outside' IPv6
44 self.pg1.generate_remote_hosts(4)
45 self.pg1.configure_ipv6_neighbors()
48 super(TestMAP, self).tearDown()
49 for i in self.pg_interfaces:
54 def send_and_assert_encapped(self, packets, ip6_src, ip6_dst, dmac=None):
56 dmac = self.pg1.remote_mac
58 self.pg0.add_stream(packets)
60 self.pg_enable_capture(self.pg_interfaces)
63 capture = self.pg1.get_capture(len(packets))
64 for rx, tx in zip(capture, packets):
65 self.assertEqual(rx[Ether].dst, dmac)
66 self.assertEqual(rx[IP].src, tx[IP].src)
67 self.assertEqual(rx[IPv6].src, ip6_src)
68 self.assertEqual(rx[IPv6].dst, ip6_dst)
70 def send_and_assert_encapped_one(self, packet, ip6_src, ip6_dst,
72 return self.send_and_assert_encapped([packet], ip6_src, ip6_dst, dmac)
74 def test_api_map_domain_dump(self):
76 map_src = '3000::1/128'
77 client_pfx = '192.168.0.0/16'
79 index = self.vapi.map_add_domain(ip4_prefix=client_pfx,
83 rv = self.vapi.map_domain_dump()
85 # restore the state early so as to not impact subsequent tests.
86 # If an assert fails, we will not get the chance to do it at the end.
87 self.vapi.map_del_domain(index=index)
89 self.assertGreater(len(rv), 0,
90 "Expected output from 'map_domain_dump'")
92 # typedefs are returned as ipaddress objects.
93 # wrap results in str() ugh! to avoid the need to call unicode.
94 self.assertEqual(str(rv[0].ip4_prefix), client_pfx)
95 self.assertEqual(str(rv[0].ip6_prefix), map_dst)
96 self.assertEqual(str(rv[0].ip6_src), map_src)
98 self.assertEqual(rv[0].tag, tag,
99 "output produced incorrect tag value.")
101 def test_map_e_udp(self):
105 # Add a route to the MAP-BR
107 map_br_pfx = "2001::"
109 map_route = VppIpRoute(self,
112 [VppRoutePath(self.pg1.remote_ip6,
113 self.pg1.sw_if_index)])
114 map_route.add_vpp_config()
117 # Add a domain that maps from pg0 to pg1
119 map_dst = '2001::/32'
120 map_src = '3000::1/128'
121 client_pfx = '192.168.0.0/16'
122 map_translated_addr = '2001:0:101:7000:0:c0a8:101:7'
124 self.vapi.map_add_domain(ip4_prefix=client_pfx,
132 self.vapi.map_param_set_security_check(enable=1, fragments=1)
134 # Enable MAP on interface.
135 self.vapi.map_if_enable_disable(is_enable=1,
136 sw_if_index=self.pg0.sw_if_index,
139 # Ensure MAP doesn't steal all packets!
140 v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
141 IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
142 UDP(sport=20000, dport=10000) /
144 rx = self.send_and_expect(self.pg0, v4 * 4, self.pg0)
148 self.validate(p[1], v4_reply)
151 # Fire in a v4 packet that will be encapped to the BR
153 v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
154 IP(src=self.pg0.remote_ip4, dst='192.168.1.1') /
155 UDP(sport=20000, dport=10000) /
158 self.send_and_assert_encapped(v4 * 4, "3000::1", map_translated_addr)
161 # Verify reordered fragments are able to pass as well
163 v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
164 IP(id=1, src=self.pg0.remote_ip4, dst='192.168.1.1') /
165 UDP(sport=20000, dport=10000) /
168 frags = fragment_rfc791(v4, 400)
171 self.send_and_assert_encapped(frags, "3000::1", map_translated_addr)
173 # Enable MAP on interface.
174 self.vapi.map_if_enable_disable(is_enable=1,
175 sw_if_index=self.pg1.sw_if_index,
178 # Ensure MAP doesn't steal all packets
179 v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
180 IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
181 UDP(sport=20000, dport=10000) /
183 rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
187 self.validate(p[1], v6_reply)
190 # Fire in a V6 encapped packet.
191 # expect a decapped packet on the inside ip4 link
193 p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
194 IPv6(dst='3000::1', src=map_translated_addr) /
195 IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
196 UDP(sport=10000, dport=20000) /
199 self.pg1.add_stream(p)
201 self.pg_enable_capture(self.pg_interfaces)
204 rx = self.pg0.get_capture(1)
207 self.assertFalse(rx.haslayer(IPv6))
208 self.assertEqual(rx[IP].src, p[IP].src)
209 self.assertEqual(rx[IP].dst, p[IP].dst)
212 # Verify encapped reordered fragments pass as well
214 p = (IP(id=1, dst=self.pg0.remote_ip4, src='192.168.1.1') /
215 UDP(sport=10000, dport=20000) /
217 frags = fragment_rfc791(p, 400)
220 stream = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
221 IPv6(dst='3000::1', src=map_translated_addr) /
224 self.pg1.add_stream(stream)
226 self.pg_enable_capture(self.pg_interfaces)
229 rx = self.pg0.get_capture(len(frags))
232 self.assertFalse(r.haslayer(IPv6))
233 self.assertEqual(r[IP].src, p[IP].src)
234 self.assertEqual(r[IP].dst, p[IP].dst)
236 # Verify that fragments pass even if ipv6 layer is fragmented
237 stream = (IPv6(dst='3000::1', src=map_translated_addr) / x
241 Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / x
242 for i in range(len(frags))
243 for x in fragment_rfc8200(
244 IPv6(dst='3000::1', src=map_translated_addr) / frags[i],
247 self.pg1.add_stream(v6_stream)
249 self.pg_enable_capture(self.pg_interfaces)
252 rx = self.pg0.get_capture(len(frags))
255 self.assertFalse(r.haslayer(IPv6))
256 self.assertEqual(r[IP].src, p[IP].src)
257 self.assertEqual(r[IP].dst, p[IP].dst)
260 # Pre-resolve. No API for this!!
262 self.vapi.ppcli("map params pre-resolve ip6-nh 4001::1")
264 self.send_and_assert_no_replies(self.pg0, v4,
265 "resolved via default route")
268 # Add a route to 4001::1. Expect the encapped traffic to be
269 # sent via that routes next-hop
271 pre_res_route = VppIpRoute(self, "4001::1", 128,
272 [VppRoutePath(self.pg1.remote_hosts[2].ip6,
273 self.pg1.sw_if_index)])
274 pre_res_route.add_vpp_config()
276 self.send_and_assert_encapped_one(v4, "3000::1",
278 dmac=self.pg1.remote_hosts[2].mac)
281 # change the route to the pre-solved next-hop
283 pre_res_route.modify([VppRoutePath(self.pg1.remote_hosts[3].ip6,
284 self.pg1.sw_if_index)])
285 pre_res_route.add_vpp_config()
287 self.send_and_assert_encapped_one(v4, "3000::1",
289 dmac=self.pg1.remote_hosts[3].mac)
292 # cleanup. The test infra's object registry will ensure
293 # the route is really gone and thus that the unresolve worked.
295 pre_res_route.remove_vpp_config()
296 self.vapi.ppcli("map params pre-resolve del ip6-nh 4001::1")
298 def test_map_e_inner_frag(self):
299 """ MAP-E Inner fragmentation """
302 # Add a route to the MAP-BR
304 map_br_pfx = "2001::"
306 map_route = VppIpRoute(self,
309 [VppRoutePath(self.pg1.remote_ip6,
310 self.pg1.sw_if_index)])
311 map_route.add_vpp_config()
314 # Add a domain that maps from pg0 to pg1
316 map_dst = '2001::/32'
317 map_src = '3000::1/128'
318 client_pfx = '192.168.0.0/16'
319 map_translated_addr = '2001:0:101:7000:0:c0a8:101:7'
321 self.vapi.map_add_domain(ip4_prefix=client_pfx,
330 # Enable MAP on interface.
331 self.vapi.map_if_enable_disable(is_enable=1,
332 sw_if_index=self.pg0.sw_if_index,
335 # Enable inner fragmentation
336 self.vapi.map_param_set_fragmentation(inner=1)
338 v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
339 IP(src=self.pg0.remote_ip4, dst='192.168.1.1') /
340 UDP(sport=20000, dport=10000) /
343 self.pg_send(self.pg0, v4*1)
344 rx = self.pg1.get_capture(2)
346 frags = fragment_rfc791(v4[1], 1000)
354 v6_reply1 = (IPv6(src='3000::1', dst=map_translated_addr, hlim=63) /
356 v6_reply2 = (IPv6(src='3000::1', dst=map_translated_addr, hlim=63) /
362 rx[0][1][IP].chksum = 0
363 rx[1][1][IP].chksum = 0
365 self.validate(rx[0][1], v6_reply1)
366 self.validate(rx[1][1], v6_reply2)
368 def test_map_e_tcp_mss(self):
372 # Add a route to the MAP-BR
374 map_br_pfx = "2001::"
376 map_route = VppIpRoute(self,
379 [VppRoutePath(self.pg1.remote_ip6,
380 self.pg1.sw_if_index)])
381 map_route.add_vpp_config()
384 # Add a domain that maps from pg0 to pg1
386 map_dst = '2001::/32'
387 map_src = '3000::1/128'
388 client_pfx = '192.168.0.0/16'
389 map_translated_addr = '2001:0:101:5000:0:c0a8:101:5'
390 tag = 'MAP-E TCP tag.'
391 self.vapi.map_add_domain(ip4_prefix=client_pfx,
399 # Enable MAP on pg0 interface.
400 self.vapi.map_if_enable_disable(is_enable=1,
401 sw_if_index=self.pg0.sw_if_index,
404 # Enable MAP on pg1 interface.
405 self.vapi.map_if_enable_disable(is_enable=1,
406 sw_if_index=self.pg1.sw_if_index,
411 self.vapi.map_param_set_tcp(mss_clamp)
414 # Send a v4 packet that will be encapped.
416 p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
417 p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.1.1')
418 p_tcp = TCP(sport=20000, dport=30000, flags="S",
419 options=[("MSS", 1455)])
420 p4 = p_ether / p_ip4 / p_tcp
422 self.pg1.add_stream(p4)
423 self.pg_enable_capture(self.pg_interfaces)
426 rx = self.pg1.get_capture(1)
429 self.assertTrue(rx.haslayer(IPv6))
430 self.assertEqual(rx[IP].src, p4[IP].src)
431 self.assertEqual(rx[IP].dst, p4[IP].dst)
432 self.assertEqual(rx[IPv6].src, "3000::1")
433 self.assertEqual(rx[TCP].options,
434 TCP(options=[('MSS', mss_clamp)]).options)
436 def validate(self, rx, expected):
437 self.assertEqual(rx, expected.__class__(scapy.compat.raw(expected)))
439 def validate_frag(self, p6_frag, p_ip6_expected):
440 self.assertFalse(p6_frag.haslayer(IP))
441 self.assertTrue(p6_frag.haslayer(IPv6))
442 self.assertTrue(p6_frag.haslayer(IPv6ExtHdrFragment))
443 self.assertEqual(p6_frag[IPv6].src, p_ip6_expected.src)
444 self.assertEqual(p6_frag[IPv6].dst, p_ip6_expected.dst)
446 def validate_frag_payload_len(self, rx, proto, payload_len_expected):
449 payload_total += p[IPv6].plen
451 # First fragment has proto
452 payload_total -= len(proto())
454 # Every fragment has IPv6 fragment header
455 payload_total -= len(IPv6ExtHdrFragment()) * len(rx)
457 self.assertEqual(payload_total, payload_len_expected)
459 def payload(self, len):
462 def test_map_t(self):
466 # Add a domain that maps from pg0 to pg1
468 map_dst = '2001:db8::/32'
469 map_src = '1234:5678:90ab:cdef::/64'
470 ip4_pfx = '192.168.0.0/24'
473 self.vapi.map_add_domain(ip6_prefix=map_dst,
482 # Enable MAP-T on interfaces.
483 self.vapi.map_if_enable_disable(is_enable=1,
484 sw_if_index=self.pg0.sw_if_index,
486 self.vapi.map_if_enable_disable(is_enable=1,
487 sw_if_index=self.pg1.sw_if_index,
490 # Ensure MAP doesn't steal all packets!
491 v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
492 IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
493 UDP(sport=20000, dport=10000) /
495 rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
499 self.validate(p[1], v4_reply)
500 # Ensure MAP doesn't steal all packets
501 v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
502 IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
503 UDP(sport=20000, dport=10000) /
505 rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
509 self.validate(p[1], v6_reply)
511 map_route = VppIpRoute(self,
514 [VppRoutePath(self.pg1.remote_ip6,
515 self.pg1.sw_if_index,
516 proto=DpoProto.DPO_PROTO_IP6)])
517 map_route.add_vpp_config()
520 # Send a v4 packet that will be translated
522 p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
523 p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
524 payload = TCP(sport=0xabcd, dport=0xabcd)
526 p4 = (p_ether / p_ip4 / payload)
527 p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0",
528 dst="2001:db8:1f0::c0a8:1:f") / payload)
529 p6_translated.hlim -= 1
530 rx = self.send_and_expect(self.pg0, p4*1, self.pg1)
532 self.validate(p[1], p6_translated)
534 # Send back an IPv6 packet that will be "untranslated"
535 p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
536 p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f',
537 dst='1234:5678:90ab:cdef:ac:1001:200:0')
538 p6 = (p_ether6 / p_ip6 / payload)
539 p4_translated = (IP(src='192.168.0.1',
540 dst=self.pg0.remote_ip4) / payload)
542 p4_translated.ttl -= 1
543 rx = self.send_and_expect(self.pg1, p6*1, self.pg0)
545 self.validate(p[1], p4_translated)
548 ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=0)
549 p4 = (p_ether / ip4_ttl_expired / payload)
551 icmp4_reply = (IP(id=0, ttl=254, src=self.pg0.local_ip4,
552 dst=self.pg0.remote_ip4) /
553 ICMP(type='time-exceeded',
554 code='ttl-zero-during-transit') /
555 IP(src=self.pg0.remote_ip4,
556 dst='192.168.0.1', ttl=0) / payload)
557 rx = self.send_and_expect(self.pg0, p4*1, self.pg0)
559 self.validate(p[1], icmp4_reply)
562 ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=1)
563 p4 = (p_ether / ip4_ttl_expired / payload)
565 icmp4_reply = (IP(id=0, ttl=254, src=self.pg0.local_ip4,
566 dst=self.pg0.remote_ip4) /
567 ICMP(type='time-exceeded',
568 code='ttl-zero-during-transit') /
569 IP(src=self.pg0.remote_ip4,
570 dst='192.168.0.1', ttl=1) / payload)
571 rx = self.send_and_expect(self.pg0, p4*1, self.pg0)
573 self.validate(p[1], icmp4_reply)
576 ip6_hlim_expired = IPv6(hlim=0, src='2001:db8:1ab::c0a8:1:ab',
577 dst='1234:5678:90ab:cdef:ac:1001:200:0')
578 p6 = (p_ether6 / ip6_hlim_expired / payload)
580 icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6,
581 dst="2001:db8:1ab::c0a8:1:ab") /
582 ICMPv6TimeExceeded(code=0) /
583 IPv6(src="2001:db8:1ab::c0a8:1:ab",
584 dst='1234:5678:90ab:cdef:ac:1001:200:0',
586 rx = self.send_and_expect(self.pg1, p6*1, self.pg1)
588 self.validate(p[1], icmp6_reply)
590 # IPv4 Well-known port
591 p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
592 payload = UDP(sport=200, dport=200)
593 p4 = (p_ether / p_ip4 / payload)
594 self.send_and_assert_no_replies(self.pg0, p4*1)
596 # IPv6 Well-known port
597 payload = UDP(sport=200, dport=200)
598 p6 = (p_ether6 / p_ip6 / payload)
599 self.send_and_assert_no_replies(self.pg1, p6*1)
601 # UDP packet fragmentation
603 payload = UDP(sport=40000, dport=4000) / self.payload(payload_len)
604 p4 = (p_ether / p_ip4 / payload)
605 self.pg_enable_capture()
606 self.pg0.add_stream(p4)
608 rx = self.pg1.get_capture(2)
610 p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0',
611 dst='2001:db8:1e0::c0a8:1:e')
613 self.validate_frag(p, p_ip6_translated)
615 self.validate_frag_payload_len(rx, UDP, payload_len)
617 # UDP packet fragmentation send fragments
618 payload = UDP(sport=40000, dport=4000) / self.payload(payload_len)
619 p4 = (p_ether / p_ip4 / payload)
620 frags = fragment_rfc791(p4, fragsize=1000)
621 self.pg_enable_capture()
622 self.pg0.add_stream(frags)
624 rx = self.pg1.get_capture(2)
627 self.validate_frag(p, p_ip6_translated)
629 self.validate_frag_payload_len(rx, UDP, payload_len)
631 # ICMP packet fragmentation
632 payload = ICMP(id=6529) / self.payload(payload_len)
633 p4 = (p_ether / p_ip4 / payload)
634 self.pg_enable_capture()
635 self.pg0.add_stream(p4)
637 rx = self.pg1.get_capture(2)
639 p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0',
640 dst='2001:db8:160::c0a8:1:6')
642 self.validate_frag(p, p_ip6_translated)
644 self.validate_frag_payload_len(rx, ICMPv6EchoRequest, payload_len)
646 # ICMP packet fragmentation send fragments
647 payload = ICMP(id=6529) / self.payload(payload_len)
648 p4 = (p_ether / p_ip4 / payload)
649 frags = fragment_rfc791(p4, fragsize=1000)
650 self.pg_enable_capture()
651 self.pg0.add_stream(frags)
653 rx = self.pg1.get_capture(2)
656 self.validate_frag(p, p_ip6_translated)
658 self.validate_frag_payload_len(rx, ICMPv6EchoRequest, payload_len)
661 self.vapi.map_param_set_tcp(1300)
664 # Send a v4 TCP SYN packet that will be translated and MSS clamped
666 p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
667 p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
668 payload = TCP(sport=0xabcd, dport=0xabcd, flags="S",
669 options=[('MSS', 1460)])
671 p4 = (p_ether / p_ip4 / payload)
672 p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0",
673 dst="2001:db8:1f0::c0a8:1:f") / payload)
674 p6_translated.hlim -= 1
675 p6_translated[TCP].options = [('MSS', 1300)]
676 rx = self.send_and_expect(self.pg0, p4*1, self.pg1)
678 self.validate(p[1], p6_translated)
680 # Send back an IPv6 packet that will be "untranslated"
681 p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
682 p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f',
683 dst='1234:5678:90ab:cdef:ac:1001:200:0')
684 p6 = (p_ether6 / p_ip6 / payload)
685 p4_translated = (IP(src='192.168.0.1',
686 dst=self.pg0.remote_ip4) / payload)
688 p4_translated.ttl -= 1
689 p4_translated[TCP].options = [('MSS', 1300)]
690 rx = self.send_and_expect(self.pg1, p6*1, self.pg0)
692 self.validate(p[1], p4_translated)
694 # TCP MSS clamping cleanup
695 self.vapi.map_param_set_tcp(0)
697 # Enable icmp6 param to get back ICMPv6 unreachable messages in case
698 # of security check fails
699 self.vapi.map_param_set_icmp6(enable_unreachable=1)
701 # Send back an IPv6 packet that will be droppped due to security
703 p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
704 p_ip6_sec_check_fail = IPv6(src='2001:db8:1fe::c0a8:1:f',
705 dst='1234:5678:90ab:cdef:ac:1001:200:0')
706 payload = TCP(sport=0xabcd, dport=0xabcd)
707 p6 = (p_ether6 / p_ip6_sec_check_fail / payload)
709 self.pg_send(self.pg1, p6*1)
710 self.pg0.get_capture(0, timeout=1)
711 rx = self.pg1.get_capture(1)
713 icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6,
714 dst='2001:db8:1fe::c0a8:1:f') /
715 ICMPv6DestUnreach(code=5) /
716 p_ip6_sec_check_fail / payload)
719 self.validate(p[1], icmp6_reply)
721 # ICMPv6 unreachable messages cleanup
722 self.vapi.map_param_set_icmp6(enable_unreachable=0)
724 def test_map_t_ip6_psid(self):
725 """ MAP-T v6->v4 PSID validation"""
728 # Add a domain that maps from pg0 to pg1
730 map_dst = '2001:db8::/32'
731 map_src = '1234:5678:90ab:cdef::/64'
732 ip4_pfx = '192.168.0.0/24'
733 tag = 'MAP-T Test Domain'
735 self.vapi.map_add_domain(ip6_prefix=map_dst,
744 # Enable MAP-T on interfaces.
745 self.vapi.map_if_enable_disable(is_enable=1,
746 sw_if_index=self.pg0.sw_if_index,
748 self.vapi.map_if_enable_disable(is_enable=1,
749 sw_if_index=self.pg1.sw_if_index,
752 map_route = VppIpRoute(self,
755 [VppRoutePath(self.pg1.remote_ip6,
756 self.pg1.sw_if_index,
757 proto=DpoProto.DPO_PROTO_IP6)])
758 map_route.add_vpp_config()
760 p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
761 p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f',
762 dst='1234:5678:90ab:cdef:ac:1001:200:0')
764 # Send good IPv6 source port, ensure translated IPv4 received
765 payload = TCP(sport=0xabcd, dport=80)
766 p6 = (p_ether6 / p_ip6 / payload)
767 p4_translated = (IP(src='192.168.0.1',
768 dst=self.pg0.remote_ip4) / payload)
770 p4_translated.ttl -= 1
771 rx = self.send_and_expect(self.pg1, p6*1, self.pg0)
773 self.validate(p[1], p4_translated)
775 # Send bad IPv6 source port, ensure translated IPv4 not received
776 payload = TCP(sport=0xdcba, dport=80)
777 p6 = (p_ether6 / p_ip6 / payload)
778 self.send_and_assert_no_replies(self.pg1, p6*1)
780 if __name__ == '__main__':
781 unittest.main(testRunner=VppTestRunner)