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nhrp: mGREv6

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Type: test

Change-Id: I7d0496c37e06d3b6eee325a262e5398860282b63
Signed-off-by: Neale Ranns <nranns@cisco.com>
This commit is contained in:
Neale Ranns
2019-12-17 00:14:26 +00:00
committed by Damjan Marion
parent 70ef0faea9
commit e11dce20c9
3 changed files with 88 additions and 4 deletions
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78
test/test_gre.py
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@@ -1050,6 +1050,84 @@ class TestGRE(VppTestCase):
gre_if.admin_down()
gre_if.unconfig_ip4()
def test_mgre6(self):
""" mGRE IPv6 tunnel Tests """
self.pg0.ip6_enable()
for itf in self.pg_interfaces[3:]:
#
# one underlay nh for each overlay/tunnel peer
#
itf.config_ip6()
itf.generate_remote_hosts(4)
itf.configure_ipv6_neighbors()
#
# Create an L3 GRE tunnel.
# - set it admin up
# - assign an IP Addres
# - Add a route via the tunnel
#
gre_if = VppGreInterface(self,
itf.local_ip6,
"::",
mode=(VppEnum.vl_api_gre_tunnel_mode_t.
GRE_API_TUNNEL_MODE_MP))
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip6()
gre_if.generate_remote_hosts(4)
#
# for-each peer
#
for ii in range(1, 4):
route_addr = "4::%d" % ii
#
# route traffic via the peer
#
route_via_tun = VppIpRoute(
self, route_addr, 128,
[VppRoutePath(gre_if._remote_hosts[ii].ip6,
gre_if.sw_if_index)])
route_via_tun.add_vpp_config()
#
# Add a NHRP entry resolves the peer
#
nhrp = VppNhrp(self, gre_if,
gre_if._remote_hosts[ii].ip6,
itf._remote_hosts[ii].ip6)
nhrp.add_vpp_config()
#
# Send a packet stream that is routed into the tunnel
# - packets are GRE encapped
#
tx = self.create_stream_ip6(self.pg0, "5::5", route_addr)
rx = self.send_and_expect(self.pg0, tx, itf)
self.verify_tunneled_6o6(self.pg0, rx, tx,
itf.local_ip6,
gre_if._remote_hosts[ii].ip6)
#
# delete and re-add the NHRP
#
nhrp.remove_vpp_config()
self.send_and_assert_no_replies(self.pg0, tx)
nhrp.add_vpp_config()
rx = self.send_and_expect(self.pg0, tx, itf)
self.verify_tunneled_6o6(self.pg0, rx, tx,
itf.local_ip6,
gre_if._remote_hosts[ii].ip6)
gre_if.admin_down()
gre_if.unconfig_ip4()
itf.unconfig_ip6()
self.pg0.ip6_disable()
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)