test_bfd module¶

class test_bfd.BFDAPITestCase(methodName='runTest')¶

Bases: framework.VppTestCase

Bidirectional Forwarding Detection (BFD) - API

classmethod setUpClass()¶

test_add_bfd()¶: create a BFD session

test_double_add()¶: create the same BFD session twice (negative case)

class test_bfd.BFDTestCase(methodName='runTest')¶

Bases: framework.VppTestCase

Bidirectional Forwarding Detection (BFD)

bfd_session_up()¶

setUp()¶

classmethod setUpClass()¶

tearDown()¶

test_conn_down()¶: verify session goes down after inactivity

test_hold_up()¶: hold BFD session up

test_large_required_min_rx()¶: large remote RequiredMinRxInterval

test_session_up()¶: bring BFD session up

test_slow_timer()¶: verify slow periodic control frames while session down

test_zero_remote_min_rx()¶: no packets when zero BFD RemoteMinRxInterval

verify_event(event, expected_state)¶: Verify correctness of event values.

wait_for_bfd_packet(timeout=1)¶

class test_bfd.BFDTestSession(test, interface, detect_mult=3)¶

Bases: object

create_packet()¶

send_packet()¶

update(**kwargs)¶

verify_packet(packet)¶: Verify correctness of BFD layer.

test_bfd.create_packet(interface, ttl=255, src_port=50000, **kwargs)¶

test_bfd.verify_ip(test, packet, local_ip, remote_ip)¶: Verify correctness of IP layer.

test_bfd.verify_udp(test, packet)¶: Verify correctness of UDP layer.