def test_deag(self):
""" MPLS Deagg """
#
# A de-agg route - next-hop lookup in default table
#
route_34_eos = VppMplsRoute(
self, 34, 1, [VppRoutePath("0.0.0.0", 0xffffffff, nh_table_id=0)])
route_34_eos.add_vpp_config()
#
# ping an interface in the default table
# PG0 is in the default table
#
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [34],
ping=1,
ip_itf=self.pg0)
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
self.verify_capture_ip4(self.pg0, rx, tx, ping_resp=1)
#
# A de-agg route - next-hop lookup in non-default table
#
route_35_eos = VppMplsRoute(
self, 35, 1, [VppRoutePath("0.0.0.0", 0xffffffff, nh_table_id=1)])
route_35_eos.add_vpp_config()
#
# ping an interface in the non-default table
# PG0 is in the default table. packet arrive labelled in the
# default table and egress unlabelled in the non-default
#
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [35],
ping=1,
ip_itf=self.pg1)
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
packet_count = self.get_packet_count_for_if_idx(self.pg0.sw_if_index)
rx = self.pg1.get_capture(packet_count)
self.verify_capture_ip4(self.pg1, rx, tx, ping_resp=1)
route_35_eos.remove_vpp_config()
route_34_eos.remove_vpp_config()
def test_swap(self):
""" MPLS label swap tests """
#
# A simple MPLS xconnect - eos label in label out
#
route_32_eos = VppMplsRoute(self, 32, 1, [
VppRoutePath(
self.pg0.remote_ip4, self.pg0.sw_if_index, labels=[33])
])
route_32_eos.add_vpp_config()
#
# a stream that matches the route for 10.0.0.1
# PG0 is in the default table
#
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [32])
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
self.verify_capture_labelled_ip4(self.pg0, rx, tx, [33])
#
# A simple MPLS xconnect - non-eos label in label out
#
route_32_neos = VppMplsRoute(self, 32, 0, [
VppRoutePath(
self.pg0.remote_ip4, self.pg0.sw_if_index, labels=[33])
])
route_32_neos.add_vpp_config()
#
# a stream that matches the route for 10.0.0.1
# PG0 is in the default table
#
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [32, 99])
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
self.verify_capture_labelled(self.pg0, rx, tx, [33, 99])
#
# An MPLS xconnect - EOS label in IP out
#
route_33_eos = VppMplsRoute(self, 33, 1, [
VppRoutePath(self.pg0.remote_ip4, self.pg0.sw_if_index, labels=[])
])
route_33_eos.add_vpp_config()
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [33])
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
self.verify_capture_ip4(self.pg0, rx, tx)
#
# An MPLS xconnect - non-EOS label in IP out - an invalid configuration
# so this traffic should be dropped.
#
route_33_neos = VppMplsRoute(self, 33, 0, [
VppRoutePath(self.pg0.remote_ip4, self.pg0.sw_if_index, labels=[])
])
route_33_neos.add_vpp_config()
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [33, 99])
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
self.pg0.assert_nothing_captured(
remark="MPLS non-EOS packets popped and forwarded")
#
# A recursive EOS x-connect, which resolves through another x-connect
#
route_34_eos = VppMplsRoute(self, 34, 1, [
VppRoutePath(
"0.0.0.0", 0xffffffff, nh_via_label=32, labels=[44, 45])
])
route_34_eos.add_vpp_config()
tx = self.create_stream_labelled_ip4(self.pg0, [34])
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
self.verify_capture_labelled_ip4(self.pg0, rx, tx, [33, 44, 45])
#
# A recursive non-EOS x-connect, which resolves through another
# x-connect
#
route_34_neos = VppMplsRoute(self, 34, 0, [
VppRoutePath(
"0.0.0.0", 0xffffffff, nh_via_label=32, labels=[44, 46])
])
route_34_neos.add_vpp_config()
self.vapi.cli("clear trace")
tx = self.create_stream_labelled_ip4(self.pg0, [34, 99])
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
# it's the 2nd (counting from 0) label in the stack that is swapped
self.verify_capture_labelled(self.pg0, rx, tx, [33, 44, 46, 99], num=2)
#
# an recursive IP route that resolves through the recursive non-eos
# x-connect
#
ip_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, [
VppRoutePath("0.0.0.0", 0xffffffff, nh_via_label=34, labels=[55])
])
ip_10_0_0_1.add_vpp_config()
self.vapi.cli("clear trace")
tx = self.create_stream_ip4(self.pg0, "10.0.0.1")
self.pg0.add_stream(tx)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = self.pg0.get_capture()
self.verify_capture_labelled_ip4(self.pg0, rx, tx, [33, 44, 46, 55])
ip_10_0_0_1.remove_vpp_config()
route_34_neos.remove_vpp_config()
route_34_eos.remove_vpp_config()
route_33_neos.remove_vpp_config()
route_33_eos.remove_vpp_config()
route_32_neos.remove_vpp_config()
route_32_eos.remove_vpp_config()