X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6.py;h=7635a01c7ceb0aff187cde0882a9b5e0b223d197;hb=8d58dc40a0a20f0bb3047a7a7ae6d47b6b5879f9;hp=8abd8d6807f3cd634a033803ab6adfd659a49284;hpb=8d8150262b00435c365a43c8f859584901736aff;p=vpp.git

diff --git a/test/test_ip6.py b/test/test_ip6.py
index 8abd8d6807f..7635a01c7ce 100644
--- a/test/test_ip6.py
+++ b/test/test_ip6.py
@@ -504,6 +504,18 @@ class TestIPv6(TestIPv6ND):
                                 dst_ip=self.pg0._remote_hosts[3].ip6_ll,
                                 tgt_ip=self.pg0.local_ip6_ll)
 
+        #
+        # do not respond to a NS for the peer's address
+        #
+        p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
+             IPv6(dst=d,
+                  src=self.pg0._remote_hosts[3].ip6_ll) /
+             ICMPv6ND_NS(tgt=self.pg0._remote_hosts[3].ip6_ll) /
+             ICMPv6NDOptSrcLLAddr(
+                 lladdr=self.pg0.remote_mac))
+
+        self.send_and_assert_no_replies(self.pg0, p)
+
         #
         # we should have learned an ND entry for the peer's link-local
         # but not inserted a route to it in the FIB