diff options
Diffstat (limited to 'test/test_ip_mcast.py')
| -rw-r--r-- | test/test_ip_mcast.py | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/test/test_ip_mcast.py b/test/test_ip_mcast.py index 8ca92df26b2..f3d23a612db 100644 --- a/test/test_ip_mcast.py +++ b/test/test_ip_mcast.py @@ -14,12 +14,13 @@ from scapy.layers.inet6 import IPv6, getmacbyip6 from util import ppp # -# The number of packets sent is set to 90 so that when we replicate more than 3 +# The number of packets sent is set to 91 so that when we replicate more than 3 # times, which we do for some entries, we will generate more than 256 packets # to the next node in the VLIB graph. Thus we are testing the code's -# correctness handling this over-flow +# correctness handling this over-flow. +# It's also an odd number so we hit any single loops. # -N_PKTS_IN_STREAM = 90 +N_PKTS_IN_STREAM = 91 class TestMFIB(VppTestCase): @@ -757,5 +758,44 @@ class TestIPMcast(VppTestCase): self.verify_capture_ip6(self.pg1, tx) self.verify_capture_ip6(self.pg2, tx) + def test_bidir(self): + """ IP Multicast Bi-directional """ + + # + # A (*,G). The set of accepting interfaces matching the forwarding + # + route_232_1_1_1 = VppIpMRoute( + self, + "0.0.0.0", + "232.1.1.1", 32, + MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, + [VppMRoutePath(self.pg0.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT | + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD), + VppMRoutePath(self.pg1.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT | + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD), + VppMRoutePath(self.pg2.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT | + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD), + VppMRoutePath(self.pg3.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT | + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) + route_232_1_1_1.add_vpp_config() + + tx = self.create_stream_ip4(self.pg0, "1.1.1.1", "232.1.1.1") + self.pg0.add_stream(tx) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + # We expect replications on Pg1, 2, 3, but not on pg0 + self.verify_capture_ip4(self.pg1, tx) + self.verify_capture_ip4(self.pg2, tx) + self.verify_capture_ip4(self.pg3, tx) + self.pg0.assert_nothing_captured( + remark="IP multicast packets forwarded on PG0") + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |