from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded
from scapy.contrib.mpls import MPLS
+NUM_PKTS = 67
+
def verify_filter(capture, sent):
if not len(capture) == len(sent):
class TestMPLS(VppTestCase):
""" MPLS Test Case """
+ @classmethod
+ def setUpClass(cls):
+ super(TestMPLS, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMPLS, cls).tearDownClass()
+
def setUp(self):
super(TestMPLS, self).setUp()
class TestMPLSDisabled(VppTestCase):
""" MPLS disabled """
+ @classmethod
+ def setUpClass(cls):
+ super(TestMPLSDisabled, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMPLSDisabled, cls).tearDownClass()
+
def setUp(self):
super(TestMPLSDisabled, self).setUp()
class TestMPLSPIC(VppTestCase):
- """ MPLS PIC edge convergence """
+ """ MPLS Prefix-Independent Convergence (PIC) edge convergence """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMPLSPIC, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMPLSPIC, cls).tearDownClass()
def setUp(self):
super(TestMPLSPIC, self).setUp()
self.pg0.config_ip4()
self.pg0.resolve_arp()
self.pg0.enable_mpls()
+
self.pg1.admin_up()
self.pg1.config_ip4()
self.pg1.resolve_arp()
self.pg2.set_table_ip6(1)
self.pg2.config_ip6()
self.pg2.resolve_ndp()
+
self.pg3.admin_up()
self.pg3.set_table_ip4(1)
self.pg3.config_ip4()
super(TestMPLSPIC, self).tearDown()
def test_mpls_ibgp_pic(self):
- """ MPLS iBGP PIC edge convergence
+ """ MPLS iBGP Prefix-Independent Convergence (PIC) edge convergence
1) setup many iBGP VPN routes via a pair of iBGP peers.
2) Check EMCP forwarding to these peers
#
vpn_routes = []
pkts = []
- for ii in range(64):
+ for ii in range(NUM_PKTS):
dst = "192.168.1.%d" % ii
vpn_routes.append(VppIpRoute(self, dst, 32,
[VppRoutePath("10.0.0.45",
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg0._get_capture(1)
- rx1 = self.pg1._get_capture(1)
+ rx0 = self.pg0._get_capture(NUM_PKTS)
+ rx1 = self.pg1._get_capture(NUM_PKTS)
# not testing the LB hashing algorithm so we're not concerned
# with the split ratio, just as long as neither is 0
self.assertNotEqual(0, len(rx0))
self.assertNotEqual(0, len(rx1))
+ self.assertEqual(len(pkts), len(rx0) + len(rx1),
+ "Expected all (%s) packets across both ECMP paths. "
+ "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1)))
#
# use a test CLI command to stop the FIB walk process, this
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg0.get_capture(len(pkts))
+ rx0 = self.pg0.get_capture(NUM_PKTS)
+ self.assertEqual(len(pkts), len(rx0),
+ "Expected all (%s) packets across single path. "
+ "rx0: %s." % (len(pkts), len(rx0)))
#
# enable the FIB walk process to converge the FIB
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg0.get_capture(64)
+ rx0 = self.pg0.get_capture(NUM_PKTS)
+ self.assertEqual(len(pkts), len(rx0),
+ "Expected all (%s) packets across single path. "
+ "rx0: %s." % (len(pkts), len(rx0)))
#
# Add the IGP route back and we return to load-balancing
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg0._get_capture(1)
- rx1 = self.pg1._get_capture(1)
+ rx0 = self.pg0._get_capture(NUM_PKTS)
+ rx1 = self.pg1._get_capture(NUM_PKTS)
self.assertNotEqual(0, len(rx0))
self.assertNotEqual(0, len(rx1))
+ self.assertEqual(len(pkts), len(rx0) + len(rx1),
+ "Expected all (%s) packets across both ECMP paths. "
+ "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1)))
def test_mpls_ebgp_pic(self):
- """ MPLS eBGP PIC edge convergence
+ """ MPLS eBGP Prefix-Independent Convergence (PIC) edge convergence
- 1) setup many eBGP VPN routes via a pair of eBGP peers
+ 1) setup many eBGP VPN routes via a pair of eBGP peers.
2) Check EMCP forwarding to these peers
3) withdraw one eBGP path - expect LB across remaining eBGP
"""
vpn_routes = []
vpn_bindings = []
pkts = []
- for ii in range(64):
+ for ii in range(NUM_PKTS):
dst = "192.168.1.%d" % ii
local_label = 1600 + ii
vpn_routes.append(VppIpRoute(self, dst, 32,
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100))
+ #
+ # Send the packet stream (one pkt to each VPN route)
+ # - expect a 50-50 split of the traffic
+ #
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg2._get_capture(1)
- rx1 = self.pg3._get_capture(1)
+ rx0 = self.pg2._get_capture(NUM_PKTS)
+ rx1 = self.pg3._get_capture(NUM_PKTS)
+
+ # not testing the LB hashing algorithm so we're not concerned
+ # with the split ratio, just as long as neither is 0
self.assertNotEqual(0, len(rx0))
self.assertNotEqual(0, len(rx1))
+ self.assertEqual(len(pkts), len(rx0) + len(rx1),
+ "Expected all (%s) packets across both ECMP paths. "
+ "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1)))
#
# use a test CLI command to stop the FIB walk process, this
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg3.get_capture(len(pkts))
+ rx0 = self.pg3.get_capture(NUM_PKTS)
+ self.assertEqual(len(pkts), len(rx0),
+ "Expected all (%s) packets across single path. "
+ "rx0: %s." % (len(pkts), len(rx0)))
#
# enable the FIB walk process to converge the FIB
#
self.vapi.ppcli("test fib-walk-process enable")
+
+ #
+ # packets should still be forwarded through the remaining peer
+ #
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg3.get_capture(len(pkts))
+ rx0 = self.pg3.get_capture(NUM_PKTS)
+ self.assertEqual(len(pkts), len(rx0),
+ "Expected all (%s) packets across single path. "
+ "rx0: %s." % (len(pkts), len(rx0)))
#
- # put the connecteds back
+ # put the connected routes back
#
self.pg2.config_ip4()
+ self.pg2.resolve_arp()
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg2._get_capture(1)
- rx1 = self.pg3._get_capture(1)
+ rx0 = self.pg2._get_capture(NUM_PKTS)
+ rx1 = self.pg3._get_capture(NUM_PKTS)
self.assertNotEqual(0, len(rx0))
self.assertNotEqual(0, len(rx1))
+ self.assertEqual(len(pkts), len(rx0) + len(rx1),
+ "Expected all (%s) packets across both ECMP paths. "
+ "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1)))
def test_mpls_v6_ebgp_pic(self):
- """ MPLSv6 eBGP PIC edge convergence
+ """ MPLSv6 eBGP Prefix-Independent Convergence (PIC) edge convergence
1) setup many eBGP VPNv6 routes via a pair of eBGP peers
2) Check EMCP forwarding to these peers
vpn_routes = []
vpn_bindings = []
pkts = []
- for ii in range(64):
+ for ii in range(NUM_PKTS):
dst = "3000::%d" % ii
local_label = 1600 + ii
vpn_routes.append(VppIpRoute(
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg2._get_capture(1)
- rx1 = self.pg3._get_capture(1)
+ rx0 = self.pg2._get_capture(NUM_PKTS)
+ rx1 = self.pg3._get_capture(NUM_PKTS)
self.assertNotEqual(0, len(rx0))
self.assertNotEqual(0, len(rx1))
+ self.assertEqual(len(pkts), len(rx0) + len(rx1),
+ "Expected all (%s) packets across both ECMP paths. "
+ "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1)))
#
# use a test CLI command to stop the FIB walk process, this
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg3.get_capture(len(pkts))
+ rx0 = self.pg3.get_capture(NUM_PKTS)
+ self.assertEqual(len(pkts), len(rx0),
+ "Expected all (%s) packets across single path. "
+ "rx0: %s." % (len(pkts), len(rx0)))
#
# enable the FIB walk process to converge the FIB
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg3.get_capture(len(pkts))
+ rx0 = self.pg3.get_capture(NUM_PKTS)
+ self.assertEqual(len(pkts), len(rx0),
+ "Expected all (%s) packets across single path. "
+ "rx0: %s." % (len(pkts), len(rx0)))
#
- # put the connecteds back
+ # put the connected routes back
#
self.pg2.admin_up()
self.pg2.config_ip6()
+ self.pg2.resolve_ndp()
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg2._get_capture(1)
- rx1 = self.pg3._get_capture(1)
+ rx0 = self.pg2._get_capture(NUM_PKTS)
+ rx1 = self.pg3._get_capture(NUM_PKTS)
self.assertNotEqual(0, len(rx0))
self.assertNotEqual(0, len(rx1))
+ self.assertEqual(len(pkts), len(rx0) + len(rx1),
+ "Expected all (%s) packets across both ECMP paths. "
+ "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1)))
class TestMPLSL2(VppTestCase):
""" MPLS-L2 """
+ @classmethod
+ def setUpClass(cls):
+ super(TestMPLSL2, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMPLSL2, cls).tearDownClass()
+
def setUp(self):
super(TestMPLSL2, self).setUp()
UDP(sport=1234, dport=1234) /
Raw('\xa5' * 100))
- tx0 = pcore * 65
+ tx0 = pcore * NUM_PKTS
rx0 = self.send_and_expect(self.pg0, tx0, self.pg1)
payload = pcore[MPLS].payload
#
# Inject a packet from the customer/L2 side
#
- tx1 = pcore[MPLS].payload * 65
+ tx1 = pcore[MPLS].payload * NUM_PKTS
rx1 = self.send_and_expect(self.pg1, tx1, self.pg0)
self.verify_capture_tunneled_ethernet(rx1, tx1, [VppMplsLabel(42)])
#
# now a stream in each direction
#
- self.pg1.add_stream(p_cust * 65)
+ self.pg1.add_stream(p_cust * NUM_PKTS)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rx0 = self.pg0.get_capture(65)
+ rx0 = self.pg0.get_capture(NUM_PKTS)
- self.verify_capture_tunneled_ethernet(rx0, p_cust*65,
+ self.verify_capture_tunneled_ethernet(rx0, p_cust*NUM_PKTS,
[VppMplsLabel(42)])
#
self.vapi.sw_interface_set_l2_bridge(
rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff