2.96. test_nat44_ed module

class test_nat44_ed.NAT44EDTestCase(methodName='runTest')

Bases: framework.VppTestCase

property config_flags

classmethod configure_ip4_interface(i, hosts=0, table_id=None)

classmethod create_and_add_ip4_table(i, table_id=0)

create_stream_frag(src_if, dst, sport, dport, data, proto=scapy.data.IP_PROTOS.tcp, echo_reply=False)

create_stream_in(in_if, out_if, dst_ip=None, ttl=64)

create_stream_out(out_if, dst_ip=None, ttl=64, use_inside_ports=False)

create_tcp_stream(in_if, out_if, count)

frag_in_order(proto=scapy.data.IP_PROTOS.tcp, dont_translate=False, ignore_port=False)

frag_in_order_in_plus_out(in_addr, out_addr, in_port, out_port, proto=scapy.data.IP_PROTOS.tcp)

frag_out_of_order(proto=scapy.data.IP_PROTOS.tcp, dont_translate=False, ignore_port=False)

frag_out_of_order_in_plus_out(in_addr, out_addr, in_port, out_port, proto=scapy.data.IP_PROTOS.tcp)

get_err_counter(path)

icmp_id_in = 6305

icmp_id_out = 6305

init_tcp_session(in_if, out_if, in_port, ext_port)

max_sessions = 100

property nat44_config_flags

nat_add_address(address, twice_nat=0, vrf_id=4294967295, is_add=1)

nat_add_inside_interface(i)

classmethod nat_add_interface_address(i)

nat_add_outside_interface(i)

nat_add_static_mapping(local_ip, external_ip='0.0.0.0', local_port=0, external_port=0, vrf_id=0, is_add=1, external_sw_if_index=4294967295, proto=0, tag='', flags=0)

nat_addr = '10.0.0.3'

plugin_disable()

plugin_enable()

static proto2layer(proto)

static random_port()

reass_frags_and_verify(frags, src, dst)

reass_hairpinning(server_addr, server_in_port, server_out_port, host_in_port, proto=scapy.data.IP_PROTOS.tcp, ignore_port=False)

property server_addr

setUp()

Clear trace before running each test

classmethod setUpClass()

Perform class setup before running the testcase Remove shared memory files, start vpp and connect the vpp-api

property syslog_severity

tcp_external_port = 80

tcp_port_in = 6303

tcp_port_out = 6303

tearDown()

Show various debug prints after each test

twice_nat_common(self_twice_nat=False, same_pg=False, lb=False, client_id=None)

udp_port_in = 6304

udp_port_out = 6304

verify_capture_in(capture, in_if)

verify_capture_out(capture, nat_ip=None, same_port=False, dst_ip=None, ignore_port=False)

verify_syslog_sess(data, is_add=True, is_ip6=False)

class test_nat44_ed.TestNAT44ED(methodName='runTest')

Bases: test_nat44_ed.NAT44EDTestCase

NAT44ED Test Case

test_forwarding()

NAT44ED forwarding test

test_frag_out_of_order_do_not_translate()

NAT44ED don’t translate fragments arriving out of order

test_lb_affinity()

NAT44ED local service load balancing affinity

test_multiple_vrf_1()

Multiple VRF - both client & service in VRF1

test_multiple_vrf_2()

Multiple VRF - dynamic NAT from VRF1 to VRF0 (output-feature)

test_multiple_vrf_3()

Multiple VRF - client in VRF1, service in VRF0

test_multiple_vrf_4()

Multiple VRF - client in VRF0, service in VRF1

test_multiple_vrf_5()

Multiple VRF - forwarding - no translation

test_output_feature()

NAT44ED interface output feature (in2out postrouting)

test_output_feature_and_service2()

NAT44ED interface output feature and service host direct access

test_outside_address_distribution()

Outside address distribution based on source address

test_self_twice_nat_lb_positive()

NAT44ED Self Twice NAT local service load balancing (positive test)

test_self_twice_nat_positive()

NAT44ED Self Twice NAT (positive test)

test_static_lb()

NAT44ED local service load balancing

test_static_lb_2()

NAT44ED local service load balancing (asymmetrical rule)

test_static_with_port_out2()

NAT44ED 1:1 NAPT asymmetrical rule

test_twice_nat()

NAT44ED Twice NAT

test_twice_nat_lb()

NAT44ED Twice NAT local service load balancing

test_users_dump()

NAT44ED API test - nat44_user_dump

class test_nat44_ed.TestNAT44EDMW(methodName='runTest')

Bases: test_nat44_ed.TestNAT44ED

NAT44ED MW Test Case

max_sessions = 5000

test_dynamic()

NAT44ED dynamic translation test

test_dynamic_out_of_ports()

NAT44ED dynamic translation test: out of ports

test_dynamic_output_feature_vrf()

NAT44ED dynamic translation test: output-feature, VRF

test_dynamic_vrf()

NAT44ED dynamic translation test: different VRF

test_forwarding()

NAT44ED forwarding test

test_frag_in_order()

NAT44ED translate fragments arriving in order

test_frag_in_order_do_not_translate()

NAT44ED don’t translate fragments arriving in order

test_frag_in_order_in_plus_out()

NAT44ED in+out interface fragments in order

test_frag_out_of_order()

NAT44ED translate fragments arriving out of order

test_frag_out_of_order_do_not_translate()

NAT44ED don’t translate fragments arriving out of order

test_frag_out_of_order_in_plus_out()

NAT44ED in+out interface fragments out of order

test_hairpinning_unknown_proto()

NAT44ED translate packet with unknown protocol - hairpinning

test_lb_affinity()

NAT44ED local service load balancing affinity

test_lru_cleanup()

NAT44ED LRU cleanup algorithm

test_multiple_vrf()

NAT44ED Multiple VRF setup

test_next_src_nat()

NAT44ED On way back forward packet to nat44-in2out node.

test_one_armed_nat44_static()

NAT44ED One armed NAT and 1:1 NAPT asymmetrical rule

test_output_feature()

NAT44ED interface output feature (in2out postrouting)

test_output_feature_and_service()

NAT44ED interface output feature and services

test_output_feature_and_service2()

NAT44ED interface output feature and service host direct access

test_output_feature_and_service3()

NAT44ED interface output feature and DST NAT

test_output_feature_stateful_acl()

NAT44ED output feature works with stateful ACL

test_reass_hairpinning()

NAT44ED fragments hairpinning

test_self_twice_nat_lb_negative()

NAT44ED Self Twice NAT local service load balancing (negative test)

test_self_twice_nat_lb_positive()

NAT44ED Self Twice NAT local service load balancing (positive test)

test_self_twice_nat_negative()

NAT44ED Self Twice NAT (negative test)

test_self_twice_nat_positive()

NAT44ED Self Twice NAT (positive test)

test_session_limit_per_vrf()

NAT44ED per vrf session limit

test_session_rst_timeout()

NAT44ED session RST timeouts

test_show_max_translations()

NAT44ED API test - max translations per thread

test_static_lb()

NAT44ED local service load balancing

test_static_lb_2()

NAT44ED local service load balancing (asymmetrical rule)

test_static_lb_multi_clients()

NAT44ED local service load balancing - multiple clients

test_static_with_port_out2()

NAT44ED 1:1 NAPT asymmetrical rule

test_syslog_sess()

NAT44ED Test syslog session creation and deletion

test_tcp_close()

NAT44ED Close TCP session from inside network - output feature

test_tcp_session_close_in()

NAT44ED Close TCP session from inside network

test_tcp_session_close_out()

NAT44ED Close TCP session from outside network

test_tcp_session_close_simultaneous()

NAT44ED Close TCP session from inside network

test_twice_nat()

NAT44ED Twice NAT

test_twice_nat_interface_addr()

NAT44ED Acquire twice NAT addresses from interface

test_twice_nat_lb()

NAT44ED Twice NAT local service load balancing

test_unknown_proto()

NAT44ED translate packet with unknown protocol

test_users_dump()

NAT44ED API test - nat44_user_dump

vpp_worker_count = 4