X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6.py;h=593f68681faac3fae7c476d1ca80a361526b1664;hb=42e6b097e02b80779213aa5c14a5202ecd5913e5;hp=1432858f38cdd1dbed272116d1cc228b0fa74c89;hpb=15ac81c16fba83033090299413a3a2dbb848a0f9;p=vpp.git

diff --git a/test/test_ip6.py b/test/test_ip6.py
index 1432858f38c..593f68681fa 100644
--- a/test/test_ip6.py
+++ b/test/test_ip6.py
@@ -1469,6 +1469,39 @@ class TestIP6LoadBalance(VppTestCase):
                                             [self.pg1, self.pg2,
                                              self.pg3, self.pg4])
 
+        #
+        # Recursive prefixes
+        #  - testing that 2 stages of load-balancing no choices
+        #
+        port_pkts = []
+
+        for ii in range(257):
+            port_pkts.append((Ether(src=self.pg0.remote_mac,
+                                    dst=self.pg0.local_mac) /
+                              IPv6(dst="6000::1", src="6000:1::1") /
+                              UDP(sport=1234, dport=1234 + ii) /
+                              Raw('\xa5' * 100)))
+
+        route_5000_2 = VppIpRoute(self, "5000::2", 128,
+                                  [VppRoutePath(self.pg3.remote_ip6,
+                                                self.pg3.sw_if_index,
+                                                is_ip6=1)],
+                                  is_ip6=1)
+        route_5000_2.add_vpp_config()
+
+        route_6000_1 = VppIpRoute(self, "6000::1", 128,
+                                  [VppRoutePath("5000::2",
+                                                0xffffffff,
+                                                is_ip6=1)],
+                                  is_ip6=1)
+        route_6000_1.add_vpp_config()
+
+        #
+        # inject the packet on pg0 - expect load-balancing across all 4 paths
+        #
+        self.vapi.cli("clear trace")
+        self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3)
+
 
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)