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-rw-r--r--test/test_neighbor.py73
1 files changed, 53 insertions, 20 deletions
diff --git a/test/test_neighbor.py b/test/test_neighbor.py
index 1dfae241faf..a97a63fc7a6 100644
--- a/test/test_neighbor.py
+++ b/test/test_neighbor.py
@@ -115,7 +115,7 @@ class ARPTestCase(VppTestCase):
#
# Generate some hosts on the LAN
#
- self.pg1.generate_remote_hosts(5)
+ self.pg1.generate_remote_hosts(6)
#
# Send IP traffic to one of these unresolved hosts.
@@ -251,6 +251,57 @@ class ARPTestCase(VppTestCase):
self.pg1._remote_hosts[3].ip4))
#
+ # A neighbor entry that has no associated FIB-entry
+ #
+ arp_no_fib = VppNeighbor(self,
+ self.pg1.sw_if_index,
+ self.pg1.remote_hosts[4].mac,
+ self.pg1.remote_hosts[4].ip4,
+ is_no_fib_entry=1)
+ arp_no_fib.add_vpp_config()
+
+ #
+ # check we have the neighbor, but no route
+ #
+ self.assertTrue(find_nbr(self,
+ self.pg1.sw_if_index,
+ self.pg1._remote_hosts[4].ip4))
+ self.assertFalse(find_route(self,
+ self.pg1._remote_hosts[4].ip4,
+ 32))
+ #
+ # Unnumbered pg2 to pg1
+ #
+ self.pg2.set_unnumbered(self.pg1.sw_if_index)
+
+ #
+ # now we can form adjacencies out of pg2 from within pg1's subnet
+ #
+ arp_unnum = VppNeighbor(self,
+ self.pg2.sw_if_index,
+ self.pg1.remote_hosts[5].mac,
+ self.pg1.remote_hosts[5].ip4)
+ arp_unnum.add_vpp_config()
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4,
+ dst=self.pg1._remote_hosts[5].ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw())
+
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg2.get_capture(1)
+
+ self.verify_ip(rx[0],
+ self.pg2.local_mac,
+ self.pg1.remote_hosts[5].mac,
+ self.pg0.remote_ip4,
+ self.pg1._remote_hosts[5].ip4)
+
+ #
# ERROR Cases
# 1 - don't respond to ARP request for address not within the
# interface's sub-net
@@ -301,29 +352,11 @@ class ARPTestCase(VppTestCase):
"ARP req for non-local source")
#
- # A neighbor entry that has no associated FIB-entry
- #
- arp_no_fib = VppNeighbor(self,
- self.pg1.sw_if_index,
- self.pg1.remote_hosts[4].mac,
- self.pg1.remote_hosts[4].ip4,
- is_no_fib_entry=1)
- arp_no_fib.add_vpp_config()
-
- #
- # check we have the neighbor, but no route
- #
- self.assertTrue(find_nbr(self,
- self.pg1.sw_if_index,
- self.pg1._remote_hosts[4].ip4))
- self.assertFalse(find_route(self,
- self.pg1._remote_hosts[4].ip4,
- 32))
- #
# cleanup
#
dyn_arp.remove_vpp_config()
static_arp.remove_vpp_config()
+ self.pg2.unset_unnumbered(self.pg1.sw_if_index)
def test_proxy_arp(self):
""" Proxy ARP """