2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
21 #include <nat/nat_ipfix_logging.h>
22 #include <nat/nat_det.h>
23 #include <nat/nat64.h>
24 #include <nat/nat_inlines.h>
25 #include <nat/nat44/inlines.h>
26 #include <nat/nat_affinity.h>
27 #include <vnet/fib/fib_table.h>
28 #include <nat/nat_ha.h>
31 #define UNSUPPORTED_IN_DET_OR_ED_MODE_STR \
32 "This command is unsupported in deterministic or endpoint dependent mode"
33 #define UNSUPPORTED_IN_DET_OR_NON_ED_MODE_STR \
34 "This command is unsupported in deterministic or non endpoint dependent mode"
35 #define UNSUPPORTED_IN_DET_MODE_STR \
36 "This command is unsupported in deterministic mode"
37 #define SUPPORTED_ONLY_IN_ED_MODE_STR \
38 "This command is supported only in endpoint dependent mode"
39 #define SUPPORTED_ONLY_IN_DET_MODE_STR \
40 "This command is supported only in deterministic mode"
43 set_workers_command_fn (vlib_main_t * vm,
44 unformat_input_t * input, vlib_cli_command_t * cmd)
46 unformat_input_t _line_input, *line_input = &_line_input;
47 snat_main_t *sm = &snat_main;
50 clib_error_t *error = 0;
52 if (sm->deterministic)
53 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
55 /* Get a line of input. */
56 if (!unformat_user (input, unformat_line_input, line_input))
59 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
61 if (unformat (line_input, "%U", unformat_bitmap_list, &bitmap))
65 error = clib_error_return (0, "unknown input '%U'",
66 format_unformat_error, line_input);
73 error = clib_error_return (0, "List of workers must be specified.");
77 rv = snat_set_workers (bitmap);
79 clib_bitmap_free (bitmap);
83 case VNET_API_ERROR_INVALID_WORKER:
84 error = clib_error_return (0, "Invalid worker(s).");
86 case VNET_API_ERROR_FEATURE_DISABLED:
87 error = clib_error_return (0,
88 "Supported only if 2 or more workes available.");
95 unformat_free (line_input);
100 static clib_error_t *
101 nat_show_workers_commnad_fn (vlib_main_t * vm, unformat_input_t * input,
102 vlib_cli_command_t * cmd)
104 snat_main_t *sm = &snat_main;
107 if (sm->deterministic)
108 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
110 if (sm->num_workers > 1)
112 vlib_cli_output (vm, "%d workers", vec_len (sm->workers));
114 vec_foreach (worker, sm->workers)
116 vlib_worker_thread_t *w =
117 vlib_worker_threads + *worker + sm->first_worker_index;
118 vlib_cli_output (vm, " %s", w->name);
126 static clib_error_t *
127 snat_set_log_level_command_fn (vlib_main_t * vm,
128 unformat_input_t * input,
129 vlib_cli_command_t * cmd)
131 unformat_input_t _line_input, *line_input = &_line_input;
132 snat_main_t *sm = &snat_main;
133 u8 log_level = SNAT_LOG_NONE;
134 clib_error_t *error = 0;
136 /* Get a line of input. */
137 if (!unformat_user (input, unformat_line_input, line_input))
140 if (!unformat (line_input, "%d", &log_level))
142 error = clib_error_return (0, "unknown input '%U'",
143 format_unformat_error, line_input);
146 if (log_level > SNAT_LOG_DEBUG)
148 error = clib_error_return (0, "unknown logging level '%d'", log_level);
151 sm->log_level = log_level;
154 unformat_free (line_input);
159 static clib_error_t *
160 snat_ipfix_logging_enable_disable_command_fn (vlib_main_t * vm,
161 unformat_input_t * input,
162 vlib_cli_command_t * cmd)
164 unformat_input_t _line_input, *line_input = &_line_input;
169 clib_error_t *error = 0;
171 /* Get a line of input. */
172 if (!unformat_user (input, unformat_line_input, line_input))
174 rv = snat_ipfix_logging_enable_disable (enable, domain_id,
177 return clib_error_return (0, "ipfix logging enable failed");
181 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
183 if (unformat (line_input, "domain %d", &domain_id))
185 else if (unformat (line_input, "src-port %d", &src_port))
187 else if (unformat (line_input, "disable"))
191 error = clib_error_return (0, "unknown input '%U'",
192 format_unformat_error, line_input);
197 rv = snat_ipfix_logging_enable_disable (enable, domain_id, (u16) src_port);
201 error = clib_error_return (0, "ipfix logging enable failed");
206 unformat_free (line_input);
211 static clib_error_t *
212 nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input,
213 vlib_cli_command_t * cmd)
215 snat_main_t *sm = &snat_main;
216 snat_main_per_thread_data_t *tsm;
217 nat_affinity_main_t *nam = &nat_affinity_main;
221 if (unformat (input, "detail"))
223 else if (unformat (input, "verbose"))
226 vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_local,
228 vlib_cli_output (vm, "%U",
229 format_bihash_8_8, &sm->static_mapping_by_external,
231 vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->out2in_ed, verbose);
232 vec_foreach_index (i, sm->per_thread_data)
234 tsm = vec_elt_at_index (sm->per_thread_data, i);
235 vlib_cli_output (vm, "-------- thread %d %s --------\n",
236 i, vlib_worker_threads[i].name);
237 if (sm->endpoint_dependent)
239 vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->in2out_ed,
244 vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose);
245 vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose);
247 vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->user_hash, verbose);
250 if (sm->endpoint_dependent)
252 vlib_cli_output (vm, "%U", format_bihash_16_8, &nam->affinity_hash,
258 static clib_error_t *
259 nat44_set_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm,
260 unformat_input_t * input,
261 vlib_cli_command_t * cmd)
263 unformat_input_t _line_input, *line_input = &_line_input;
264 snat_main_t *sm = &snat_main;
265 clib_error_t *error = 0;
266 u32 psid, psid_offset, psid_length, port_start, port_end;
268 if (sm->deterministic)
269 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
271 /* Get a line of input. */
272 if (!unformat_user (input, unformat_line_input, line_input))
275 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
277 if (unformat (line_input, "default"))
278 nat_set_alloc_addr_and_port_default ();
281 (line_input, "map-e psid %d psid-offset %d psid-len %d", &psid,
282 &psid_offset, &psid_length))
283 nat_set_alloc_addr_and_port_mape ((u16) psid, (u16) psid_offset,
287 (line_input, "port-range %d - %d", &port_start, &port_end))
289 if (port_end <= port_start)
292 clib_error_return (0,
293 "The end-port must be greater than start-port");
296 nat_set_alloc_addr_and_port_range ((u16) port_start,
301 error = clib_error_return (0, "unknown input '%U'",
302 format_unformat_error, line_input);
308 unformat_free (line_input);
313 static clib_error_t *
314 nat44_show_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm,
315 unformat_input_t * input,
316 vlib_cli_command_t * cmd)
318 snat_main_t *sm = &snat_main;
320 if (sm->deterministic)
321 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
323 vlib_cli_output (vm, "NAT address and port: %U",
324 format_nat_addr_and_port_alloc_alg,
325 sm->addr_and_port_alloc_alg);
326 switch (sm->addr_and_port_alloc_alg)
328 case NAT_ADDR_AND_PORT_ALLOC_ALG_MAPE:
329 vlib_cli_output (vm, " psid %d psid-offset %d psid-len %d", sm->psid,
330 sm->psid_offset, sm->psid_length);
332 case NAT_ADDR_AND_PORT_ALLOC_ALG_RANGE:
333 vlib_cli_output (vm, " start-port %d end-port %d", sm->start_port,
343 static clib_error_t *
344 nat_set_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input,
345 vlib_cli_command_t * cmd)
347 unformat_input_t _line_input, *line_input = &_line_input;
348 snat_main_t *sm = &snat_main;
349 clib_error_t *error = 0;
352 /* Get a line of input. */
353 if (!unformat_user (input, unformat_line_input, line_input))
356 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
358 if (unformat (line_input, "disable"))
359 sm->mss_clamping = 0;
360 else if (unformat (line_input, "%d", &mss))
361 sm->mss_clamping = (u16) mss;
364 error = clib_error_return (0, "unknown input '%U'",
365 format_unformat_error, line_input);
371 unformat_free (line_input);
376 static clib_error_t *
377 nat_show_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input,
378 vlib_cli_command_t * cmd)
380 snat_main_t *sm = &snat_main;
382 if (sm->mss_clamping)
383 vlib_cli_output (vm, "mss-clamping %d", sm->mss_clamping);
385 vlib_cli_output (vm, "mss-clamping disabled");
390 static clib_error_t *
391 nat_ha_failover_command_fn (vlib_main_t * vm, unformat_input_t * input,
392 vlib_cli_command_t * cmd)
394 unformat_input_t _line_input, *line_input = &_line_input;
396 u32 port, session_refresh_interval = 10;
398 clib_error_t *error = 0;
400 /* Get a line of input. */
401 if (!unformat_user (input, unformat_line_input, line_input))
404 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
406 if (unformat (line_input, "%U:%u", unformat_ip4_address, &addr, &port))
410 (line_input, "refresh-interval %u", &session_refresh_interval))
414 error = clib_error_return (0, "unknown input '%U'",
415 format_unformat_error, line_input);
420 rv = nat_ha_set_failover (&addr, (u16) port, session_refresh_interval);
422 error = clib_error_return (0, "set HA failover failed");
425 unformat_free (line_input);
430 static clib_error_t *
431 nat_ha_listener_command_fn (vlib_main_t * vm, unformat_input_t * input,
432 vlib_cli_command_t * cmd)
434 unformat_input_t _line_input, *line_input = &_line_input;
436 u32 port, path_mtu = 512;
438 clib_error_t *error = 0;
440 /* Get a line of input. */
441 if (!unformat_user (input, unformat_line_input, line_input))
444 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
446 if (unformat (line_input, "%U:%u", unformat_ip4_address, &addr, &port))
448 else if (unformat (line_input, "path-mtu %u", &path_mtu))
452 error = clib_error_return (0, "unknown input '%U'",
453 format_unformat_error, line_input);
458 rv = nat_ha_set_listener (&addr, (u16) port, path_mtu);
460 error = clib_error_return (0, "set HA listener failed");
463 unformat_free (line_input);
468 static clib_error_t *
469 nat_show_ha_command_fn (vlib_main_t * vm, unformat_input_t * input,
470 vlib_cli_command_t * cmd)
474 u32 path_mtu, session_refresh_interval, resync_ack_missed;
477 nat_ha_get_listener (&addr, &port, &path_mtu);
480 vlib_cli_output (vm, "NAT HA disabled\n");
484 vlib_cli_output (vm, "LISTENER:\n");
485 vlib_cli_output (vm, " %U:%u path-mtu %u\n",
486 format_ip4_address, &addr, port, path_mtu);
488 nat_ha_get_failover (&addr, &port, &session_refresh_interval);
489 vlib_cli_output (vm, "FAILOVER:\n");
491 vlib_cli_output (vm, " %U:%u refresh-interval %usec\n",
492 format_ip4_address, &addr, port,
493 session_refresh_interval);
495 vlib_cli_output (vm, " NA\n");
497 nat_ha_get_resync_status (&in_resync, &resync_ack_missed);
498 vlib_cli_output (vm, "RESYNC:\n");
500 vlib_cli_output (vm, " in progress\n");
502 vlib_cli_output (vm, " completed (%d ACK missed)\n", resync_ack_missed);
507 static clib_error_t *
508 nat_ha_flush_command_fn (vlib_main_t * vm, unformat_input_t * input,
509 vlib_cli_command_t * cmd)
515 static clib_error_t *
516 nat_ha_resync_command_fn (vlib_main_t * vm, unformat_input_t * input,
517 vlib_cli_command_t * cmd)
519 clib_error_t *error = 0;
521 if (nat_ha_resync (0, 0, 0))
522 error = clib_error_return (0, "NAT HA resync already running");
527 static clib_error_t *
528 add_address_command_fn (vlib_main_t * vm,
529 unformat_input_t * input, vlib_cli_command_t * cmd)
531 unformat_input_t _line_input, *line_input = &_line_input;
532 snat_main_t *sm = &snat_main;
533 ip4_address_t start_addr, end_addr, this_addr;
534 u32 start_host_order, end_host_order;
539 clib_error_t *error = 0;
542 if (sm->deterministic)
543 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
545 /* Get a line of input. */
546 if (!unformat_user (input, unformat_line_input, line_input))
549 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
551 if (unformat (line_input, "%U - %U",
552 unformat_ip4_address, &start_addr,
553 unformat_ip4_address, &end_addr))
555 else if (unformat (line_input, "tenant-vrf %u", &vrf_id))
557 else if (unformat (line_input, "%U", unformat_ip4_address, &start_addr))
558 end_addr = start_addr;
559 else if (unformat (line_input, "twice-nat"))
561 else if (unformat (line_input, "del"))
565 error = clib_error_return (0, "unknown input '%U'",
566 format_unformat_error, line_input);
571 if (sm->static_mapping_only)
573 error = clib_error_return (0, "static mapping only mode");
577 start_host_order = clib_host_to_net_u32 (start_addr.as_u32);
578 end_host_order = clib_host_to_net_u32 (end_addr.as_u32);
580 if (end_host_order < start_host_order)
582 error = clib_error_return (0, "end address less than start address");
586 count = (end_host_order - start_host_order) + 1;
589 nat_log_info ("%U - %U, %d addresses...",
590 format_ip4_address, &start_addr,
591 format_ip4_address, &end_addr, count);
593 this_addr = start_addr;
595 for (i = 0; i < count; i++)
598 rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat);
600 rv = snat_del_address (sm, this_addr, 0, twice_nat);
604 case VNET_API_ERROR_VALUE_EXIST:
605 error = clib_error_return (0, "NAT address already in use.");
607 case VNET_API_ERROR_NO_SUCH_ENTRY:
608 error = clib_error_return (0, "NAT address not exist.");
610 case VNET_API_ERROR_UNSPECIFIED:
612 clib_error_return (0, "NAT address used in static mapping.");
614 case VNET_API_ERROR_FEATURE_DISABLED:
616 clib_error_return (0,
617 "twice NAT available only for endpoint-dependent mode.");
624 nat44_add_del_address_dpo (this_addr, is_add);
626 increment_v4_address (&this_addr);
630 unformat_free (line_input);
635 static clib_error_t *
636 nat44_show_summary_command_fn (vlib_main_t * vm, unformat_input_t * input,
637 vlib_cli_command_t * cmd)
639 snat_main_per_thread_data_t *tsm;
640 snat_main_t *sm = &snat_main;
643 if (sm->deterministic || !sm->endpoint_dependent)
644 return clib_error_return (0, UNSUPPORTED_IN_DET_OR_NON_ED_MODE_STR);
646 vlib_cli_output (vm, "max translations per thread: %u",
647 sm->max_translations_per_thread);
648 vlib_cli_output (vm, "max translations per user: %u",
649 sm->max_translations_per_user);
653 u64 now = vlib_time_now (vm);
654 u64 sess_timeout_time;
656 u32 udp_sessions = 0;
657 u32 tcp_sessions = 0;
658 u32 icmp_sessions = 0;
662 u32 transitory_wait_closed = 0;
663 u32 transitory_closed = 0;
666 if (sm->num_workers > 1)
669 vec_foreach (tsm, sm->per_thread_data)
671 pool_foreach (s, tsm->sessions,
673 sess_timeout_time = s->last_heard +
674 (f64) nat44_session_get_timeout (sm, s);
675 if (now >= sess_timeout_time)
678 switch (s->nat_proto)
680 case NAT_PROTOCOL_ICMP:
683 case NAT_PROTOCOL_TCP:
687 if (s->tcp_closed_timestamp)
689 if (now >= s->tcp_closed_timestamp)
695 ++transitory_wait_closed;
703 case NAT_PROTOCOL_UDP:
709 count += pool_elts (tsm->sessions);
715 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
717 pool_foreach (s, tsm->sessions,
719 sess_timeout_time = s->last_heard +
720 (f64) nat44_session_get_timeout (sm, s);
721 if (now >= sess_timeout_time)
724 switch (s->nat_proto)
726 case NAT_PROTOCOL_ICMP:
729 case NAT_PROTOCOL_TCP:
733 if (s->tcp_closed_timestamp)
735 if (now >= s->tcp_closed_timestamp)
741 ++transitory_wait_closed;
749 case NAT_PROTOCOL_UDP:
756 count = pool_elts (tsm->sessions);
757 if (sm->endpoint_dependent)
759 dlist_elt_t *oldest_elt;
763 clib_dlist_remove_head (tsm->lru_pool, tsm->n##_lru_head_index); \
764 if (~0 != oldest_index) \
766 oldest_elt = pool_elt_at_index (tsm->lru_pool, oldest_index); \
767 s = pool_elt_at_index (tsm->sessions, oldest_elt->value); \
768 sess_timeout_time = \
769 s->last_heard + (f64)nat44_session_get_timeout (sm, s); \
770 vlib_cli_output (vm, d " LRU min session timeout %llu (now %llu)", \
771 sess_timeout_time, now); \
772 clib_dlist_addhead (tsm->lru_pool, tsm->n##_lru_head_index, \
775 _(tcp_estab, "established tcp");
776 _(tcp_trans, "transitory tcp");
778 _(unk_proto, "unknown protocol");
784 vlib_cli_output (vm, "total timed out sessions: %u", timed_out);
785 vlib_cli_output (vm, "total sessions: %u", count);
786 vlib_cli_output (vm, "total tcp sessions: %u", tcp_sessions);
787 vlib_cli_output (vm, "total tcp established sessions: %u", established);
788 vlib_cli_output (vm, "total tcp transitory sessions: %u", transitory);
789 vlib_cli_output (vm, "total tcp transitory (WAIT-CLOSED) sessions: %u",
790 transitory_wait_closed);
791 vlib_cli_output (vm, "total tcp transitory (CLOSED) sessions: %u",
793 vlib_cli_output (vm, "total udp sessions: %u", udp_sessions);
794 vlib_cli_output (vm, "total icmp sessions: %u", icmp_sessions);
798 static clib_error_t *
799 nat44_show_addresses_command_fn (vlib_main_t * vm, unformat_input_t * input,
800 vlib_cli_command_t * cmd)
802 snat_main_t *sm = &snat_main;
805 if (sm->deterministic)
806 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
808 vlib_cli_output (vm, "NAT44 pool addresses:");
810 vec_foreach (ap, sm->addresses)
812 vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr);
813 if (ap->fib_index != ~0)
814 vlib_cli_output (vm, " tenant VRF: %u",
815 fib_table_get(ap->fib_index, FIB_PROTOCOL_IP4)->ft_table_id);
817 vlib_cli_output (vm, " tenant VRF independent");
818 #define _(N, i, n, s) \
819 vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s);
823 vlib_cli_output (vm, "NAT44 twice-nat pool addresses:");
824 vec_foreach (ap, sm->twice_nat_addresses)
826 vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr);
827 if (ap->fib_index != ~0)
828 vlib_cli_output (vm, " tenant VRF: %u",
829 fib_table_get(ap->fib_index, FIB_PROTOCOL_IP4)->ft_table_id);
831 vlib_cli_output (vm, " tenant VRF independent");
832 #define _(N, i, n, s) \
833 vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s);
841 static clib_error_t *
842 snat_feature_command_fn (vlib_main_t * vm,
843 unformat_input_t * input, vlib_cli_command_t * cmd)
845 unformat_input_t _line_input, *line_input = &_line_input;
846 vnet_main_t *vnm = vnet_get_main ();
847 clib_error_t *error = 0;
849 u32 *inside_sw_if_indices = 0;
850 u32 *outside_sw_if_indices = 0;
851 u8 is_output_feature = 0;
857 /* Get a line of input. */
858 if (!unformat_user (input, unformat_line_input, line_input))
861 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
863 if (unformat (line_input, "in %U", unformat_vnet_sw_interface,
865 vec_add1 (inside_sw_if_indices, sw_if_index);
866 else if (unformat (line_input, "out %U", unformat_vnet_sw_interface,
868 vec_add1 (outside_sw_if_indices, sw_if_index);
869 else if (unformat (line_input, "output-feature"))
870 is_output_feature = 1;
871 else if (unformat (line_input, "del"))
875 error = clib_error_return (0, "unknown input '%U'",
876 format_unformat_error, line_input);
881 if (vec_len (inside_sw_if_indices))
883 for (i = 0; i < vec_len (inside_sw_if_indices); i++)
885 sw_if_index = inside_sw_if_indices[i];
886 if (is_output_feature)
888 if (snat_interface_add_del_output_feature
889 (sw_if_index, 1, is_del))
891 error = clib_error_return (0, "%s %U failed",
892 is_del ? "del" : "add",
893 format_vnet_sw_if_index_name,
900 if (snat_interface_add_del (sw_if_index, 1, is_del))
902 error = clib_error_return (0, "%s %U failed",
903 is_del ? "del" : "add",
904 format_vnet_sw_if_index_name,
912 if (vec_len (outside_sw_if_indices))
914 for (i = 0; i < vec_len (outside_sw_if_indices); i++)
916 sw_if_index = outside_sw_if_indices[i];
917 if (is_output_feature)
919 if (snat_interface_add_del_output_feature
920 (sw_if_index, 0, is_del))
922 error = clib_error_return (0, "%s %U failed",
923 is_del ? "del" : "add",
924 format_vnet_sw_if_index_name,
931 if (snat_interface_add_del (sw_if_index, 0, is_del))
933 error = clib_error_return (0, "%s %U failed",
934 is_del ? "del" : "add",
935 format_vnet_sw_if_index_name,
944 unformat_free (line_input);
945 vec_free (inside_sw_if_indices);
946 vec_free (outside_sw_if_indices);
951 static clib_error_t *
952 nat44_show_interfaces_command_fn (vlib_main_t * vm, unformat_input_t * input,
953 vlib_cli_command_t * cmd)
955 snat_main_t *sm = &snat_main;
957 vnet_main_t *vnm = vnet_get_main ();
959 vlib_cli_output (vm, "NAT44 interfaces:");
961 pool_foreach (i, sm->interfaces,
963 vlib_cli_output (vm, " %U %s", format_vnet_sw_if_index_name, vnm,
965 (nat_interface_is_inside(i) &&
966 nat_interface_is_outside(i)) ? "in out" :
967 (nat_interface_is_inside(i) ? "in" : "out"));
970 pool_foreach (i, sm->output_feature_interfaces,
972 vlib_cli_output (vm, " %U output-feature %s",
973 format_vnet_sw_if_index_name, vnm,
975 (nat_interface_is_inside(i) &&
976 nat_interface_is_outside(i)) ? "in out" :
977 (nat_interface_is_inside(i) ? "in" : "out"));
984 static clib_error_t *
985 add_static_mapping_command_fn (vlib_main_t * vm,
986 unformat_input_t * input,
987 vlib_cli_command_t * cmd)
989 unformat_input_t _line_input, *line_input = &_line_input;
990 snat_main_t *sm = &snat_main;
991 clib_error_t *error = 0;
992 ip4_address_t l_addr, e_addr;
993 u32 l_port = 0, e_port = 0, vrf_id = ~0;
996 u32 sw_if_index = ~0;
997 vnet_main_t *vnm = vnet_get_main ();
999 nat_protocol_t proto = NAT_PROTOCOL_OTHER;
1001 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
1004 if (sm->deterministic)
1005 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1007 /* Get a line of input. */
1008 if (!unformat_user (input, unformat_line_input, line_input))
1011 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1013 if (unformat (line_input, "local %U %u", unformat_ip4_address, &l_addr,
1017 if (unformat (line_input, "local %U", unformat_ip4_address, &l_addr))
1019 else if (unformat (line_input, "external %U %u", unformat_ip4_address,
1022 else if (unformat (line_input, "external %U", unformat_ip4_address,
1025 else if (unformat (line_input, "external %U %u",
1026 unformat_vnet_sw_interface, vnm, &sw_if_index,
1030 else if (unformat (line_input, "external %U",
1031 unformat_vnet_sw_interface, vnm, &sw_if_index))
1033 else if (unformat (line_input, "vrf %u", &vrf_id))
1035 else if (unformat (line_input, "%U", unformat_nat_protocol, &proto))
1037 else if (unformat (line_input, "twice-nat"))
1038 twice_nat = TWICE_NAT;
1039 else if (unformat (line_input, "self-twice-nat"))
1040 twice_nat = TWICE_NAT_SELF;
1041 else if (unformat (line_input, "out2in-only"))
1043 else if (unformat (line_input, "del"))
1047 error = clib_error_return (0, "unknown input: '%U'",
1048 format_unformat_error, line_input);
1053 if (twice_nat && addr_only)
1055 error = clib_error_return (0, "twice NAT only for 1:1 NAPT");
1064 clib_error_return (0,
1065 "address only mapping doesn't support protocol");
1069 else if (!proto_set)
1071 error = clib_error_return (0, "protocol is required");
1075 rv = snat_add_static_mapping (l_addr, e_addr, clib_host_to_net_u16 (l_port),
1076 clib_host_to_net_u16 (e_port),
1077 vrf_id, addr_only, sw_if_index, proto, is_add,
1078 twice_nat, out2in_only, 0, 0);
1082 case VNET_API_ERROR_INVALID_VALUE:
1083 error = clib_error_return (0, "External port already in use.");
1085 case VNET_API_ERROR_NO_SUCH_ENTRY:
1087 error = clib_error_return (0, "External address must be allocated.");
1089 error = clib_error_return (0, "Mapping not exist.");
1091 case VNET_API_ERROR_NO_SUCH_FIB:
1092 error = clib_error_return (0, "No such VRF id.");
1094 case VNET_API_ERROR_VALUE_EXIST:
1095 error = clib_error_return (0, "Mapping already exist.");
1097 case VNET_API_ERROR_FEATURE_DISABLED:
1099 clib_error_return (0,
1100 "twice-nat/out2in-only available only for endpoint-dependent mode.");
1107 unformat_free (line_input);
1112 static clib_error_t *
1113 add_identity_mapping_command_fn (vlib_main_t * vm,
1114 unformat_input_t * input,
1115 vlib_cli_command_t * cmd)
1117 unformat_input_t _line_input, *line_input = &_line_input;
1118 snat_main_t *sm = &snat_main;
1119 clib_error_t *error = 0;
1121 u32 port = 0, vrf_id = ~0;
1124 u32 sw_if_index = ~0;
1125 vnet_main_t *vnm = vnet_get_main ();
1127 nat_protocol_t proto;
1129 if (sm->deterministic)
1130 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1134 /* Get a line of input. */
1135 if (!unformat_user (input, unformat_line_input, line_input))
1138 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1140 if (unformat (line_input, "%U", unformat_ip4_address, &addr))
1142 else if (unformat (line_input, "external %U",
1143 unformat_vnet_sw_interface, vnm, &sw_if_index))
1145 else if (unformat (line_input, "vrf %u", &vrf_id))
1147 else if (unformat (line_input, "%U %u", unformat_nat_protocol, &proto,
1150 else if (unformat (line_input, "del"))
1154 error = clib_error_return (0, "unknown input: '%U'",
1155 format_unformat_error, line_input);
1161 snat_add_static_mapping (addr, addr, clib_host_to_net_u16 (port),
1162 clib_host_to_net_u16 (port), vrf_id, addr_only,
1163 sw_if_index, proto, is_add, 0, 0, 0, 1);
1167 case VNET_API_ERROR_INVALID_VALUE:
1168 error = clib_error_return (0, "External port already in use.");
1170 case VNET_API_ERROR_NO_SUCH_ENTRY:
1172 error = clib_error_return (0, "External address must be allocated.");
1174 error = clib_error_return (0, "Mapping not exist.");
1176 case VNET_API_ERROR_NO_SUCH_FIB:
1177 error = clib_error_return (0, "No such VRF id.");
1179 case VNET_API_ERROR_VALUE_EXIST:
1180 error = clib_error_return (0, "Mapping already exist.");
1187 unformat_free (line_input);
1192 static clib_error_t *
1193 add_lb_static_mapping_command_fn (vlib_main_t * vm,
1194 unformat_input_t * input,
1195 vlib_cli_command_t * cmd)
1197 unformat_input_t _line_input, *line_input = &_line_input;
1198 snat_main_t *sm = &snat_main;
1199 clib_error_t *error = 0;
1200 ip4_address_t l_addr, e_addr;
1201 u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0, affinity = 0;
1204 nat_protocol_t proto;
1206 nat44_lb_addr_port_t *locals = 0, local;
1207 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
1210 if (sm->deterministic)
1211 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1213 /* Get a line of input. */
1214 if (!unformat_user (input, unformat_line_input, line_input))
1217 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1219 if (unformat (line_input, "local %U:%u probability %u",
1220 unformat_ip4_address, &l_addr, &l_port, &probability))
1222 clib_memset (&local, 0, sizeof (local));
1223 local.addr = l_addr;
1224 local.port = (u16) l_port;
1225 local.probability = (u8) probability;
1226 vec_add1 (locals, local);
1228 else if (unformat (line_input, "local %U:%u vrf %u probability %u",
1229 unformat_ip4_address, &l_addr, &l_port, &vrf_id,
1232 clib_memset (&local, 0, sizeof (local));
1233 local.addr = l_addr;
1234 local.port = (u16) l_port;
1235 local.probability = (u8) probability;
1236 local.vrf_id = vrf_id;
1237 vec_add1 (locals, local);
1239 else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
1242 else if (unformat (line_input, "protocol %U", unformat_nat_protocol,
1245 else if (unformat (line_input, "twice-nat"))
1246 twice_nat = TWICE_NAT;
1247 else if (unformat (line_input, "self-twice-nat"))
1248 twice_nat = TWICE_NAT_SELF;
1249 else if (unformat (line_input, "out2in-only"))
1251 else if (unformat (line_input, "del"))
1253 else if (unformat (line_input, "affinity %u", &affinity))
1257 error = clib_error_return (0, "unknown input: '%U'",
1258 format_unformat_error, line_input);
1263 if (vec_len (locals) < 2)
1265 error = clib_error_return (0, "at least two local must be set");
1271 error = clib_error_return (0, "missing protocol");
1275 rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, locals,
1276 is_add, twice_nat, out2in_only, 0,
1281 case VNET_API_ERROR_INVALID_VALUE:
1282 error = clib_error_return (0, "External port already in use.");
1284 case VNET_API_ERROR_NO_SUCH_ENTRY:
1286 error = clib_error_return (0, "External address must be allocated.");
1288 error = clib_error_return (0, "Mapping not exist.");
1290 case VNET_API_ERROR_VALUE_EXIST:
1291 error = clib_error_return (0, "Mapping already exist.");
1293 case VNET_API_ERROR_FEATURE_DISABLED:
1295 clib_error_return (0, "Available only for endpoint-dependent mode.");
1302 unformat_free (line_input);
1308 static clib_error_t *
1309 add_lb_backend_command_fn (vlib_main_t * vm,
1310 unformat_input_t * input, vlib_cli_command_t * cmd)
1312 unformat_input_t _line_input, *line_input = &_line_input;
1313 snat_main_t *sm = &snat_main;
1314 clib_error_t *error = 0;
1315 ip4_address_t l_addr, e_addr;
1316 u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0;
1319 nat_protocol_t proto;
1322 if (sm->deterministic)
1323 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1325 /* Get a line of input. */
1326 if (!unformat_user (input, unformat_line_input, line_input))
1329 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1331 if (unformat (line_input, "local %U:%u probability %u",
1332 unformat_ip4_address, &l_addr, &l_port, &probability))
1334 else if (unformat (line_input, "local %U:%u vrf %u probability %u",
1335 unformat_ip4_address, &l_addr, &l_port, &vrf_id,
1338 else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
1341 else if (unformat (line_input, "protocol %U", unformat_nat_protocol,
1344 else if (unformat (line_input, "del"))
1348 error = clib_error_return (0, "unknown input: '%U'",
1349 format_unformat_error, line_input);
1354 if (!l_port || !e_port)
1356 error = clib_error_return (0, "local or external must be set");
1362 error = clib_error_return (0, "missing protocol");
1367 nat44_lb_static_mapping_add_del_local (e_addr, (u16) e_port, l_addr,
1368 l_port, proto, vrf_id, probability,
1373 case VNET_API_ERROR_INVALID_VALUE:
1374 error = clib_error_return (0, "External is not load-balancing static "
1377 case VNET_API_ERROR_NO_SUCH_ENTRY:
1378 error = clib_error_return (0, "Mapping or back-end not exist.");
1380 case VNET_API_ERROR_VALUE_EXIST:
1381 error = clib_error_return (0, "Back-end already exist.");
1383 case VNET_API_ERROR_FEATURE_DISABLED:
1385 clib_error_return (0, "Available only for endpoint-dependent mode.");
1387 case VNET_API_ERROR_UNSPECIFIED:
1388 error = clib_error_return (0, "At least two back-ends must remain");
1395 unformat_free (line_input);
1400 static clib_error_t *
1401 nat44_show_static_mappings_command_fn (vlib_main_t * vm,
1402 unformat_input_t * input,
1403 vlib_cli_command_t * cmd)
1405 snat_main_t *sm = &snat_main;
1406 snat_static_mapping_t *m;
1407 snat_static_map_resolve_t *rp;
1409 if (sm->deterministic)
1410 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1412 vlib_cli_output (vm, "NAT44 static mappings:");
1414 pool_foreach (m, sm->static_mappings,
1416 vlib_cli_output (vm, " %U", format_snat_static_mapping, m);
1418 vec_foreach (rp, sm->to_resolve)
1419 vlib_cli_output (vm, " %U", format_snat_static_map_to_resolve, rp);
1425 static clib_error_t *
1426 snat_add_interface_address_command_fn (vlib_main_t * vm,
1427 unformat_input_t * input,
1428 vlib_cli_command_t * cmd)
1430 snat_main_t *sm = &snat_main;
1431 unformat_input_t _line_input, *line_input = &_line_input;
1435 clib_error_t *error = 0;
1438 if (sm->deterministic)
1439 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1441 /* Get a line of input. */
1442 if (!unformat_user (input, unformat_line_input, line_input))
1445 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1447 if (unformat (line_input, "%U", unformat_vnet_sw_interface,
1448 sm->vnet_main, &sw_if_index))
1450 else if (unformat (line_input, "twice-nat"))
1452 else if (unformat (line_input, "del"))
1456 error = clib_error_return (0, "unknown input '%U'",
1457 format_unformat_error, line_input);
1462 rv = snat_add_interface_address (sm, sw_if_index, is_del, twice_nat);
1470 error = clib_error_return (0, "snat_add_interface_address returned %d",
1476 unformat_free (line_input);
1481 static clib_error_t *
1482 nat44_show_interface_address_command_fn (vlib_main_t * vm,
1483 unformat_input_t * input,
1484 vlib_cli_command_t * cmd)
1486 snat_main_t *sm = &snat_main;
1487 vnet_main_t *vnm = vnet_get_main ();
1490 if (sm->deterministic)
1491 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1494 vlib_cli_output (vm, "NAT44 pool address interfaces:");
1495 vec_foreach (sw_if_index, sm->auto_add_sw_if_indices)
1497 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm,
1500 vlib_cli_output (vm, "NAT44 twice-nat pool address interfaces:");
1501 vec_foreach (sw_if_index, sm->auto_add_sw_if_indices_twice_nat)
1503 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm,
1511 static clib_error_t *
1512 nat44_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input,
1513 vlib_cli_command_t * cmd)
1515 unformat_input_t _line_input, *line_input = &_line_input;
1516 clib_error_t *error = 0;
1518 snat_main_per_thread_data_t *tsm;
1519 snat_main_t *sm = &snat_main;
1524 if (sm->deterministic)
1525 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1527 if (!unformat_user (input, unformat_line_input, line_input))
1530 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1532 if (unformat (line_input, "detail"))
1536 error = clib_error_return (0, "unknown input '%U'",
1537 format_unformat_error, line_input);
1541 unformat_free (line_input);
1544 if (!sm->endpoint_dependent)
1545 vlib_cli_output (vm, "NAT44 sessions:");
1547 vlib_cli_output (vm, "NAT44 ED sessions:");
1550 vec_foreach_index (i, sm->per_thread_data)
1552 tsm = vec_elt_at_index (sm->per_thread_data, i);
1554 vlib_cli_output (vm, "-------- thread %d %s: %d sessions --------\n",
1555 i, vlib_worker_threads[i].name,
1556 pool_elts (tsm->sessions));
1558 if (!sm->endpoint_dependent)
1561 pool_foreach (u, tsm->users,
1563 vlib_cli_output (vm, " %U", format_snat_user, tsm, u, detail);
1569 pool_foreach (s, tsm->sessions,
1571 vlib_cli_output (vm, " %U\n", format_snat_session, tsm, s);
1579 static clib_error_t *
1580 nat44_set_session_limit_command_fn (vlib_main_t * vm,
1581 unformat_input_t * input,
1582 vlib_cli_command_t * cmd)
1584 snat_main_t *sm = &snat_main;
1585 unformat_input_t _line_input, *line_input = &_line_input;
1586 clib_error_t *error = 0;
1588 u32 session_limit = 0, vrf_id = 0;
1590 if (sm->deterministic)
1591 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1593 /* Get a line of input. */
1594 if (!unformat_user (input, unformat_line_input, line_input))
1597 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1599 if (unformat (line_input, "%u", &session_limit))
1601 else if (unformat (line_input, "vrf %u", &vrf_id))
1605 error = clib_error_return (0, "unknown input '%U'",
1606 format_unformat_error, line_input);
1612 error = clib_error_return (0, "missing value of session limit");
1613 else if (nat44_set_session_limit (session_limit, vrf_id))
1614 error = clib_error_return (0, "nat44_set_session_limit failed");
1617 unformat_free (line_input);
1622 static clib_error_t *
1623 nat44_del_user_command_fn (vlib_main_t * vm,
1624 unformat_input_t * input, vlib_cli_command_t * cmd)
1626 snat_main_t *sm = &snat_main;
1627 unformat_input_t _line_input, *line_input = &_line_input;
1628 clib_error_t *error = 0;
1633 if (sm->deterministic || sm->endpoint_dependent)
1634 return clib_error_return (0, UNSUPPORTED_IN_DET_OR_ED_MODE_STR);
1636 /* Get a line of input. */
1637 if (!unformat_user (input, unformat_line_input, line_input))
1640 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1642 if (unformat (line_input, "%U", unformat_ip4_address, &addr))
1644 else if (unformat (line_input, "fib %u", &fib_index))
1648 error = clib_error_return (0, "unknown input '%U'",
1649 format_unformat_error, line_input);
1654 rv = nat44_user_del (&addr, fib_index);
1658 error = clib_error_return (0, "nat44_user_del returned %d", rv);
1662 unformat_free (line_input);
1667 static clib_error_t *
1668 nat44_clear_sessions_command_fn (vlib_main_t * vm,
1669 unformat_input_t * input,
1670 vlib_cli_command_t * cmd)
1672 snat_main_t *sm = &snat_main;
1673 clib_error_t *error = 0;
1675 if (sm->deterministic)
1676 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1678 nat44_sessions_clear ();
1682 static clib_error_t *
1683 nat44_del_session_command_fn (vlib_main_t * vm,
1684 unformat_input_t * input,
1685 vlib_cli_command_t * cmd)
1687 snat_main_t *sm = &snat_main;
1688 unformat_input_t _line_input, *line_input = &_line_input;
1689 int is_in = 0, is_ed = 0;
1690 clib_error_t *error = 0;
1691 ip4_address_t addr, eh_addr;
1692 u32 port = 0, eh_port = 0, vrf_id = sm->outside_vrf_id;
1693 nat_protocol_t proto;
1696 if (sm->deterministic)
1697 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1699 /* Get a line of input. */
1700 if (!unformat_user (input, unformat_line_input, line_input))
1703 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1706 (line_input, "%U:%u %U", unformat_ip4_address, &addr, &port,
1707 unformat_nat_protocol, &proto))
1709 else if (unformat (line_input, "in"))
1712 vrf_id = sm->inside_vrf_id;
1714 else if (unformat (line_input, "out"))
1717 vrf_id = sm->outside_vrf_id;
1719 else if (unformat (line_input, "vrf %u", &vrf_id))
1723 (line_input, "external-host %U:%u", unformat_ip4_address,
1724 &eh_addr, &eh_port))
1728 error = clib_error_return (0, "unknown input '%U'",
1729 format_unformat_error, line_input);
1736 nat44_del_ed_session (sm, &addr, clib_host_to_net_u16 (port), &eh_addr,
1737 clib_host_to_net_u16 (eh_port),
1738 nat_proto_to_ip_proto (proto), vrf_id, is_in);
1741 nat44_del_session (sm, &addr, clib_host_to_net_u16 (port), proto,
1750 error = clib_error_return (0, "nat44_del_session returned %d", rv);
1755 unformat_free (line_input);
1760 static clib_error_t *
1761 snat_forwarding_set_command_fn (vlib_main_t * vm,
1762 unformat_input_t * input,
1763 vlib_cli_command_t * cmd)
1765 snat_main_t *sm = &snat_main;
1766 unformat_input_t _line_input, *line_input = &_line_input;
1767 u8 forwarding_enable;
1768 u8 forwarding_enable_set = 0;
1769 clib_error_t *error = 0;
1771 if (sm->deterministic)
1772 return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
1774 /* Get a line of input. */
1775 if (!unformat_user (input, unformat_line_input, line_input))
1776 return clib_error_return (0, "'enable' or 'disable' expected");
1778 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1780 if (!forwarding_enable_set && unformat (line_input, "enable"))
1782 forwarding_enable = 1;
1783 forwarding_enable_set = 1;
1785 else if (!forwarding_enable_set && unformat (line_input, "disable"))
1787 forwarding_enable = 0;
1788 forwarding_enable_set = 1;
1792 error = clib_error_return (0, "unknown input '%U'",
1793 format_unformat_error, line_input);
1798 if (!forwarding_enable_set)
1800 error = clib_error_return (0, "'enable' or 'disable' expected");
1804 sm->forwarding_enabled = forwarding_enable;
1807 unformat_free (line_input);
1812 static clib_error_t *
1813 snat_det_map_command_fn (vlib_main_t * vm,
1814 unformat_input_t * input, vlib_cli_command_t * cmd)
1816 snat_main_t *sm = &snat_main;
1817 unformat_input_t _line_input, *line_input = &_line_input;
1818 ip4_address_t in_addr, out_addr;
1819 u32 in_plen, out_plen;
1821 clib_error_t *error = 0;
1823 if (!sm->deterministic)
1824 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
1826 /* Get a line of input. */
1827 if (!unformat_user (input, unformat_line_input, line_input))
1830 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1833 (line_input, "in %U/%u", unformat_ip4_address, &in_addr, &in_plen))
1837 (line_input, "out %U/%u", unformat_ip4_address, &out_addr,
1840 else if (unformat (line_input, "del"))
1844 error = clib_error_return (0, "unknown input '%U'",
1845 format_unformat_error, line_input);
1850 rv = snat_det_add_map (sm, &in_addr, (u8) in_plen, &out_addr, (u8) out_plen,
1855 error = clib_error_return (0, "snat_det_add_map return %d", rv);
1860 unformat_free (line_input);
1865 static clib_error_t *
1866 nat44_det_show_mappings_command_fn (vlib_main_t * vm,
1867 unformat_input_t * input,
1868 vlib_cli_command_t * cmd)
1870 snat_main_t *sm = &snat_main;
1873 if (!sm->deterministic)
1874 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
1876 vlib_cli_output (vm, "NAT44 deterministic mappings:");
1878 pool_foreach (dm, sm->det_maps,
1880 vlib_cli_output (vm, " in %U/%d out %U/%d\n",
1881 format_ip4_address, &dm->in_addr, dm->in_plen,
1882 format_ip4_address, &dm->out_addr, dm->out_plen);
1883 vlib_cli_output (vm, " outside address sharing ratio: %d\n",
1885 vlib_cli_output (vm, " number of ports per inside host: %d\n",
1886 dm->ports_per_host);
1887 vlib_cli_output (vm, " sessions number: %d\n", dm->ses_num);
1894 static clib_error_t *
1895 snat_det_forward_command_fn (vlib_main_t * vm,
1896 unformat_input_t * input,
1897 vlib_cli_command_t * cmd)
1899 snat_main_t *sm = &snat_main;
1900 unformat_input_t _line_input, *line_input = &_line_input;
1901 ip4_address_t in_addr, out_addr;
1904 clib_error_t *error = 0;
1906 if (!sm->deterministic)
1907 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
1909 /* Get a line of input. */
1910 if (!unformat_user (input, unformat_line_input, line_input))
1913 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1915 if (unformat (line_input, "%U", unformat_ip4_address, &in_addr))
1919 error = clib_error_return (0, "unknown input '%U'",
1920 format_unformat_error, line_input);
1925 dm = snat_det_map_by_user (sm, &in_addr);
1927 vlib_cli_output (vm, "no match");
1930 snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
1931 vlib_cli_output (vm, "%U:<%d-%d>", format_ip4_address, &out_addr,
1932 lo_port, lo_port + dm->ports_per_host - 1);
1936 unformat_free (line_input);
1941 static clib_error_t *
1942 snat_det_reverse_command_fn (vlib_main_t * vm,
1943 unformat_input_t * input,
1944 vlib_cli_command_t * cmd)
1946 snat_main_t *sm = &snat_main;
1947 unformat_input_t _line_input, *line_input = &_line_input;
1948 ip4_address_t in_addr, out_addr;
1951 clib_error_t *error = 0;
1953 if (!sm->deterministic)
1954 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
1956 /* Get a line of input. */
1957 if (!unformat_user (input, unformat_line_input, line_input))
1960 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1963 (line_input, "%U:%d", unformat_ip4_address, &out_addr, &out_port))
1967 error = clib_error_return (0, "unknown input '%U'",
1968 format_unformat_error, line_input);
1973 if (out_port < 1024 || out_port > 65535)
1975 error = clib_error_return (0, "wrong port, must be <1024-65535>");
1979 dm = snat_det_map_by_out (sm, &out_addr);
1981 vlib_cli_output (vm, "no match");
1984 snat_det_reverse (dm, &out_addr, (u16) out_port, &in_addr);
1985 vlib_cli_output (vm, "%U", format_ip4_address, &in_addr);
1989 unformat_free (line_input);
1994 static clib_error_t *
1995 set_timeout_command_fn (vlib_main_t * vm,
1996 unformat_input_t * input, vlib_cli_command_t * cmd)
1998 snat_main_t *sm = &snat_main;
1999 unformat_input_t _line_input, *line_input = &_line_input;
2000 clib_error_t *error = 0;
2002 /* Get a line of input. */
2003 if (!unformat_user (input, unformat_line_input, line_input))
2006 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
2008 if (unformat (line_input, "udp %u", &sm->udp_timeout))
2010 if (nat64_set_udp_timeout (sm->udp_timeout))
2012 error = clib_error_return (0, "Invalid UDP timeout value");
2016 else if (unformat (line_input, "tcp-established %u",
2017 &sm->tcp_established_timeout))
2019 if (nat64_set_tcp_timeouts
2020 (sm->tcp_transitory_timeout, sm->tcp_established_timeout))
2023 clib_error_return (0,
2024 "Invalid TCP established timeouts value");
2028 else if (unformat (line_input, "tcp-transitory %u",
2029 &sm->tcp_transitory_timeout))
2031 if (nat64_set_tcp_timeouts
2032 (sm->tcp_transitory_timeout, sm->tcp_established_timeout))
2035 clib_error_return (0,
2036 "Invalid TCP transitory timeouts value");
2040 else if (unformat (line_input, "icmp %u", &sm->icmp_timeout))
2042 if (nat64_set_icmp_timeout (sm->icmp_timeout))
2044 error = clib_error_return (0, "Invalid ICMP timeout value");
2048 else if (unformat (line_input, "reset"))
2050 sm->udp_timeout = SNAT_UDP_TIMEOUT;
2051 sm->tcp_established_timeout = SNAT_TCP_ESTABLISHED_TIMEOUT;
2052 sm->tcp_transitory_timeout = SNAT_TCP_TRANSITORY_TIMEOUT;
2053 sm->icmp_timeout = SNAT_ICMP_TIMEOUT;
2054 nat64_set_udp_timeout (0);
2055 nat64_set_icmp_timeout (0);
2056 nat64_set_tcp_timeouts (0, 0);
2060 error = clib_error_return (0, "unknown input '%U'",
2061 format_unformat_error, line_input);
2066 unformat_free (line_input);
2070 static clib_error_t *
2071 nat_show_timeouts_command_fn (vlib_main_t * vm,
2072 unformat_input_t * input,
2073 vlib_cli_command_t * cmd)
2075 snat_main_t *sm = &snat_main;
2077 vlib_cli_output (vm, "udp timeout: %dsec", sm->udp_timeout);
2078 vlib_cli_output (vm, "tcp-established timeout: %dsec",
2079 sm->tcp_established_timeout);
2080 vlib_cli_output (vm, "tcp-transitory timeout: %dsec",
2081 sm->tcp_transitory_timeout);
2082 vlib_cli_output (vm, "icmp timeout: %dsec", sm->icmp_timeout);
2087 static clib_error_t *
2088 nat44_det_show_sessions_command_fn (vlib_main_t * vm,
2089 unformat_input_t * input,
2090 vlib_cli_command_t * cmd)
2092 snat_main_t *sm = &snat_main;
2094 snat_det_session_t *ses;
2097 if (!sm->deterministic)
2098 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
2100 vlib_cli_output (vm, "NAT44 deterministic sessions:");
2102 pool_foreach (dm, sm->det_maps,
2104 vec_foreach_index (i, dm->sessions)
2106 ses = vec_elt_at_index (dm->sessions, i);
2108 vlib_cli_output (vm, " %U", format_det_map_ses, dm, ses, &i);
2115 static clib_error_t *
2116 snat_det_close_session_out_fn (vlib_main_t * vm,
2117 unformat_input_t * input,
2118 vlib_cli_command_t * cmd)
2120 snat_main_t *sm = &snat_main;
2121 unformat_input_t _line_input, *line_input = &_line_input;
2122 ip4_address_t out_addr, ext_addr, in_addr;
2123 u32 out_port, ext_port;
2125 snat_det_session_t *ses;
2126 snat_det_out_key_t key;
2127 clib_error_t *error = 0;
2129 if (!sm->deterministic)
2130 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
2132 /* Get a line of input. */
2133 if (!unformat_user (input, unformat_line_input, line_input))
2136 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
2138 if (unformat (line_input, "%U:%d %U:%d",
2139 unformat_ip4_address, &out_addr, &out_port,
2140 unformat_ip4_address, &ext_addr, &ext_port))
2144 error = clib_error_return (0, "unknown input '%U'",
2145 format_unformat_error, line_input);
2150 unformat_free (line_input);
2152 dm = snat_det_map_by_out (sm, &out_addr);
2154 vlib_cli_output (vm, "no match");
2157 snat_det_reverse (dm, &ext_addr, (u16) out_port, &in_addr);
2158 key.ext_host_addr = out_addr;
2159 key.ext_host_port = ntohs ((u16) ext_port);
2160 key.out_port = ntohs ((u16) out_port);
2161 ses = snat_det_get_ses_by_out (dm, &out_addr, key.as_u64);
2163 vlib_cli_output (vm, "no match");
2165 snat_det_ses_close (dm, ses);
2169 unformat_free (line_input);
2174 static clib_error_t *
2175 snat_det_close_session_in_fn (vlib_main_t * vm,
2176 unformat_input_t * input,
2177 vlib_cli_command_t * cmd)
2179 snat_main_t *sm = &snat_main;
2180 unformat_input_t _line_input, *line_input = &_line_input;
2181 ip4_address_t in_addr, ext_addr;
2182 u32 in_port, ext_port;
2184 snat_det_session_t *ses;
2185 snat_det_out_key_t key;
2186 clib_error_t *error = 0;
2188 if (!sm->deterministic)
2189 return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR);
2191 /* Get a line of input. */
2192 if (!unformat_user (input, unformat_line_input, line_input))
2195 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
2197 if (unformat (line_input, "%U:%d %U:%d",
2198 unformat_ip4_address, &in_addr, &in_port,
2199 unformat_ip4_address, &ext_addr, &ext_port))
2203 error = clib_error_return (0, "unknown input '%U'",
2204 format_unformat_error, line_input);
2209 unformat_free (line_input);
2211 dm = snat_det_map_by_user (sm, &in_addr);
2213 vlib_cli_output (vm, "no match");
2216 key.ext_host_addr = ext_addr;
2217 key.ext_host_port = ntohs ((u16) ext_port);
2219 snat_det_find_ses_by_in (dm, &in_addr, ntohs ((u16) in_port), key);
2221 vlib_cli_output (vm, "no match");
2223 snat_det_ses_close (dm, ses);
2227 unformat_free (line_input);
2235 * @cliexstart{set snat workers}
2236 * Set NAT workers if 2 or more workers available, use:
2237 * vpp# set snat workers 0-2,5
2240 VLIB_CLI_COMMAND (set_workers_command, static) = {
2241 .path = "set nat workers",
2242 .function = set_workers_command_fn,
2243 .short_help = "set nat workers <workers-list>",
2248 * @cliexstart{show nat workers}
2250 * vpp# show nat workers:
2256 VLIB_CLI_COMMAND (nat_show_workers_command, static) = {
2257 .path = "show nat workers",
2258 .short_help = "show nat workers",
2259 .function = nat_show_workers_commnad_fn,
2264 * @cliexstart{set nat timeout}
2265 * Set values of timeouts for NAT sessions (in seconds), use:
2266 * vpp# set nat timeout udp 120 tcp-established 7500 tcp-transitory 250 icmp 90
2267 * To reset default values use:
2268 * vpp# set nat44 deterministic timeout reset
2271 VLIB_CLI_COMMAND (set_timeout_command, static) = {
2272 .path = "set nat timeout",
2273 .function = set_timeout_command_fn,
2275 "set nat timeout [udp <sec> | tcp-established <sec> "
2276 "tcp-transitory <sec> | icmp <sec> | reset]",
2281 * @cliexstart{show nat timeouts}
2282 * Show values of timeouts for NAT sessions.
2283 * vpp# show nat timeouts
2284 * udp timeout: 300sec
2285 * tcp-established timeout: 7440sec
2286 * tcp-transitory timeout: 240sec
2287 * icmp timeout: 60sec
2290 VLIB_CLI_COMMAND (nat_show_timeouts_command, static) = {
2291 .path = "show nat timeouts",
2292 .short_help = "show nat timeouts",
2293 .function = nat_show_timeouts_command_fn,
2298 * @cliexstart{nat set logging level}
2299 * To set NAT logging level use:
2300 * Set nat logging level
2303 VLIB_CLI_COMMAND (snat_set_log_level_command, static) = {
2304 .path = "nat set logging level",
2305 .function = snat_set_log_level_command_fn,
2306 .short_help = "nat set logging level <level>",
2311 * @cliexstart{snat ipfix logging}
2312 * To enable NAT IPFIX logging use:
2313 * vpp# nat ipfix logging
2314 * To set IPFIX exporter use:
2315 * vpp# set ipfix exporter collector 10.10.10.3 src 10.10.10.1
2318 VLIB_CLI_COMMAND (snat_ipfix_logging_enable_disable_command, static) = {
2319 .path = "nat ipfix logging",
2320 .function = snat_ipfix_logging_enable_disable_command_fn,
2321 .short_help = "nat ipfix logging [domain <domain-id>] [src-port <port>] [disable]",
2326 * @cliexstart{nat addr-port-assignment-alg}
2327 * Set address and port assignment algorithm
2328 * For the MAP-E CE limit port choice based on PSID use:
2329 * vpp# nat addr-port-assignment-alg map-e psid 10 psid-offset 6 psid-len 6
2330 * For port range use:
2331 * vpp# nat addr-port-assignment-alg port-range <start-port> - <end-port>
2332 * To set standard (default) address and port assignment algorithm use:
2333 * vpp# nat addr-port-assignment-alg default
2336 VLIB_CLI_COMMAND (nat44_set_alloc_addr_and_port_alg_command, static) = {
2337 .path = "nat addr-port-assignment-alg",
2338 .short_help = "nat addr-port-assignment-alg <alg-name> [<alg-params>]",
2339 .function = nat44_set_alloc_addr_and_port_alg_command_fn,
2344 * @cliexstart{show nat addr-port-assignment-alg}
2345 * Show address and port assignment algorithm
2348 VLIB_CLI_COMMAND (nat44_show_alloc_addr_and_port_alg_command, static) = {
2349 .path = "show nat addr-port-assignment-alg",
2350 .short_help = "show nat addr-port-assignment-alg",
2351 .function = nat44_show_alloc_addr_and_port_alg_command_fn,
2356 * @cliexstart{nat mss-clamping}
2357 * Set TCP MSS rewriting configuration
2358 * To enable TCP MSS rewriting use:
2359 * vpp# nat mss-clamping 1452
2360 * To disbale TCP MSS rewriting use:
2361 * vpp# nat mss-clamping disable
2364 VLIB_CLI_COMMAND (nat_set_mss_clamping_command, static) = {
2365 .path = "nat mss-clamping",
2366 .short_help = "nat mss-clamping <mss-value>|disable",
2367 .function = nat_set_mss_clamping_command_fn,
2372 * @cliexstart{show nat mss-clamping}
2373 * Show TCP MSS rewriting configuration
2376 VLIB_CLI_COMMAND (nat_show_mss_clamping_command, static) = {
2377 .path = "show nat mss-clamping",
2378 .short_help = "show nat mss-clamping",
2379 .function = nat_show_mss_clamping_command_fn,
2384 * @cliexstart{nat ha failover}
2385 * Set HA failover (remote settings)
2388 VLIB_CLI_COMMAND (nat_ha_failover_command, static) = {
2389 .path = "nat ha failover",
2390 .short_help = "nat ha failover <ip4-address>:<port> [refresh-interval <sec>]",
2391 .function = nat_ha_failover_command_fn,
2396 * @cliexstart{nat ha listener}
2397 * Set HA listener (local settings)
2400 VLIB_CLI_COMMAND (nat_ha_listener_command, static) = {
2401 .path = "nat ha listener",
2402 .short_help = "nat ha listener <ip4-address>:<port> [path-mtu <path-mtu>]",
2403 .function = nat_ha_listener_command_fn,
2408 * @cliexstart{show nat ha}
2409 * Show HA configuration/status
2412 VLIB_CLI_COMMAND (nat_show_ha_command, static) = {
2413 .path = "show nat ha",
2414 .short_help = "show nat ha",
2415 .function = nat_show_ha_command_fn,
2420 * @cliexstart{nat ha flush}
2421 * Flush the current HA data (for testing)
2424 VLIB_CLI_COMMAND (nat_ha_flush_command, static) = {
2425 .path = "nat ha flush",
2426 .short_help = "nat ha flush",
2427 .function = nat_ha_flush_command_fn,
2432 * @cliexstart{nat ha resync}
2433 * Resync HA (resend existing sessions to new failover)
2436 VLIB_CLI_COMMAND (nat_ha_resync_command, static) = {
2437 .path = "nat ha resync",
2438 .short_help = "nat ha resync",
2439 .function = nat_ha_resync_command_fn,
2444 * @cliexstart{show nat44 hash tables}
2445 * Show NAT44 hash tables
2448 VLIB_CLI_COMMAND (nat44_show_hash, static) = {
2449 .path = "show nat44 hash tables",
2450 .short_help = "show nat44 hash tables [detail|verbose]",
2451 .function = nat44_show_hash_commnad_fn,
2456 * @cliexstart{nat44 add address}
2457 * Add/delete NAT44 pool address.
2458 * To add NAT44 pool address use:
2459 * vpp# nat44 add address 172.16.1.3
2460 * vpp# nat44 add address 172.16.2.2 - 172.16.2.24
2461 * To add NAT44 pool address for specific tenant (identified by VRF id) use:
2462 * vpp# nat44 add address 172.16.1.3 tenant-vrf 10
2465 VLIB_CLI_COMMAND (add_address_command, static) = {
2466 .path = "nat44 add address",
2467 .short_help = "nat44 add address <ip4-range-start> [- <ip4-range-end>] "
2468 "[tenant-vrf <vrf-id>] [twice-nat] [del]",
2469 .function = add_address_command_fn,
2474 * @cliexstart{show nat44 summary}
2475 * Show NAT44 summary
2476 * vpp# show nat44 summary
2479 VLIB_CLI_COMMAND (nat44_show_summary_command, static) = {
2480 .path = "show nat44 summary",
2481 .short_help = "show nat44 summary",
2482 .function = nat44_show_summary_command_fn,
2487 * @cliexstart{show nat44 addresses}
2488 * Show NAT44 pool addresses.
2489 * vpp# show nat44 addresses
2490 * NAT44 pool addresses:
2492 * tenant VRF independent
2501 * NAT44 twice-nat pool addresses:
2503 * tenant VRF independent
2509 VLIB_CLI_COMMAND (nat44_show_addresses_command, static) = {
2510 .path = "show nat44 addresses",
2511 .short_help = "show nat44 addresses",
2512 .function = nat44_show_addresses_command_fn,
2517 * @cliexstart{set interface nat44}
2518 * Enable/disable NAT44 feature on the interface.
2519 * To enable NAT44 feature with local network interface use:
2520 * vpp# set interface nat44 in GigabitEthernet0/8/0
2521 * To enable NAT44 feature with external network interface use:
2522 * vpp# set interface nat44 out GigabitEthernet0/a/0
2525 VLIB_CLI_COMMAND (set_interface_snat_command, static) = {
2526 .path = "set interface nat44",
2527 .function = snat_feature_command_fn,
2528 .short_help = "set interface nat44 in <intfc> out <intfc> [output-feature] "
2534 * @cliexstart{show nat44 interfaces}
2535 * Show interfaces with NAT44 feature.
2536 * vpp# show nat44 interfaces
2538 * GigabitEthernet0/8/0 in
2539 * GigabitEthernet0/a/0 out
2542 VLIB_CLI_COMMAND (nat44_show_interfaces_command, static) = {
2543 .path = "show nat44 interfaces",
2544 .short_help = "show nat44 interfaces",
2545 .function = nat44_show_interfaces_command_fn,
2550 * @cliexstart{nat44 add static mapping}
2551 * Static mapping allows hosts on the external network to initiate connection
2552 * to to the local network host.
2553 * To create static mapping between local host address 10.0.0.3 port 6303 and
2554 * external address 4.4.4.4 port 3606 for TCP protocol use:
2555 * vpp# nat44 add static mapping tcp local 10.0.0.3 6303 external 4.4.4.4 3606
2556 * If not runnig "static mapping only" NAT plugin mode use before:
2557 * vpp# nat44 add address 4.4.4.4
2558 * To create address only static mapping between local and external address use:
2559 * vpp# nat44 add static mapping local 10.0.0.3 external 4.4.4.4
2560 * To create ICMP static mapping between local and external with ICMP echo
2561 * identifier 10 use:
2562 * vpp# nat44 add static mapping icmp local 10.0.0.3 10 external 4.4.4.4 10
2565 VLIB_CLI_COMMAND (add_static_mapping_command, static) = {
2566 .path = "nat44 add static mapping",
2567 .function = add_static_mapping_command_fn,
2569 "nat44 add static mapping tcp|udp|icmp local <addr> [<port|icmp-echo-id>] "
2570 "external <addr> [<port|icmp-echo-id>] [vrf <table-id>] [twice-nat|self-twice-nat] "
2571 "[out2in-only] [del]",
2576 * @cliexstart{nat44 add identity mapping}
2577 * Identity mapping translate an IP address to itself.
2578 * To create identity mapping for address 10.0.0.3 port 6303 for TCP protocol
2580 * vpp# nat44 add identity mapping 10.0.0.3 tcp 6303
2581 * To create identity mapping for address 10.0.0.3 use:
2582 * vpp# nat44 add identity mapping 10.0.0.3
2583 * To create identity mapping for DHCP addressed interface use:
2584 * vpp# nat44 add identity mapping external GigabitEthernet0/a/0 tcp 3606
2587 VLIB_CLI_COMMAND (add_identity_mapping_command, static) = {
2588 .path = "nat44 add identity mapping",
2589 .function = add_identity_mapping_command_fn,
2590 .short_help = "nat44 add identity mapping <ip4-addr>|external <interface> "
2591 "[<protocol> <port>] [vrf <table-id>] [del]",
2596 * @cliexstart{nat44 add load-balancing static mapping}
2597 * Service load balancing using NAT44
2598 * To add static mapping with load balancing for service with external IP
2599 * address 1.2.3.4 and TCP port 80 and mapped to 2 local servers
2600 * 10.100.10.10:8080 and 10.100.10.20:8080 with probability 80% resp. 20% use:
2601 * vpp# nat44 add load-balancing static mapping protocol tcp external 1.2.3.4:80 local 10.100.10.10:8080 probability 80 local 10.100.10.20:8080 probability 20
2604 VLIB_CLI_COMMAND (add_lb_static_mapping_command, static) = {
2605 .path = "nat44 add load-balancing static mapping",
2606 .function = add_lb_static_mapping_command_fn,
2608 "nat44 add load-balancing static mapping protocol tcp|udp "
2609 "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
2610 "probability <n> [twice-nat|self-twice-nat] [out2in-only] "
2611 "[affinity <timeout-seconds>] [del]",
2616 * @cliexstart{nat44 add load-balancing static mapping}
2617 * Modify service load balancing using NAT44
2618 * To add new back-end server 10.100.10.30:8080 for service load balancing
2619 * static mapping with external IP address 1.2.3.4 and TCP port 80 use:
2620 * vpp# nat44 add load-balancing back-end protocol tcp external 1.2.3.4:80 local 10.100.10.30:8080 probability 25
2623 VLIB_CLI_COMMAND (add_lb_backend_command, static) = {
2624 .path = "nat44 add load-balancing back-end",
2625 .function = add_lb_backend_command_fn,
2627 "nat44 add load-balancing back-end protocol tcp|udp "
2628 "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
2629 "probability <n> [del]",
2634 * @cliexstart{show nat44 static mappings}
2635 * Show NAT44 static mappings.
2636 * vpp# show nat44 static mappings
2637 * NAT44 static mappings:
2638 * local 10.0.0.3 external 4.4.4.4 vrf 0
2639 * tcp local 192.168.0.4:6303 external 4.4.4.3:3606 vrf 0
2640 * tcp vrf 0 external 1.2.3.4:80 out2in-only
2641 * local 10.100.10.10:8080 probability 80
2642 * local 10.100.10.20:8080 probability 20
2643 * tcp local 10.100.3.8:8080 external 169.10.10.1:80 vrf 0 twice-nat
2644 * tcp local 10.0.0.10:3603 external GigabitEthernet0/a/0:6306 vrf 10
2647 VLIB_CLI_COMMAND (nat44_show_static_mappings_command, static) = {
2648 .path = "show nat44 static mappings",
2649 .short_help = "show nat44 static mappings",
2650 .function = nat44_show_static_mappings_command_fn,
2655 * @cliexstart{nat44 add interface address}
2656 * Use NAT44 pool address from specific interfce
2657 * To add NAT44 pool address from specific interface use:
2658 * vpp# nat44 add interface address GigabitEthernet0/8/0
2661 VLIB_CLI_COMMAND (snat_add_interface_address_command, static) = {
2662 .path = "nat44 add interface address",
2663 .short_help = "nat44 add interface address <interface> [twice-nat] [del]",
2664 .function = snat_add_interface_address_command_fn,
2669 * @cliexstart{show nat44 interface address}
2670 * Show NAT44 pool address interfaces
2671 * vpp# show nat44 interface address
2672 * NAT44 pool address interfaces:
2673 * GigabitEthernet0/a/0
2674 * NAT44 twice-nat pool address interfaces:
2675 * GigabitEthernet0/8/0
2678 VLIB_CLI_COMMAND (nat44_show_interface_address_command, static) = {
2679 .path = "show nat44 interface address",
2680 .short_help = "show nat44 interface address",
2681 .function = nat44_show_interface_address_command_fn,
2686 * @cliexstart{show nat44 sessions}
2687 * Show NAT44 sessions.
2690 VLIB_CLI_COMMAND (nat44_show_sessions_command, static) = {
2691 .path = "show nat44 sessions",
2692 .short_help = "show nat44 sessions [detail|metrics]",
2693 .function = nat44_show_sessions_command_fn,
2698 * @cliexstart{set nat44 session limit}
2699 * Set NAT44 session limit.
2702 VLIB_CLI_COMMAND (nat44_set_session_limit_command, static) = {
2703 .path = "set nat44 session limit",
2704 .short_help = "set nat44 session limit <limit> [vrf <table-id>]",
2705 .function = nat44_set_session_limit_command_fn,
2710 * @cliexstart{nat44 del user}
2711 * To delete all NAT44 user sessions:
2712 * vpp# nat44 del user 10.0.0.3
2715 VLIB_CLI_COMMAND (nat44_del_user_command, static) = {
2716 .path = "nat44 del user",
2717 .short_help = "nat44 del user <addr> [fib <index>]",
2718 .function = nat44_del_user_command_fn,
2723 * @cliexstart{clear nat44 sessions}
2724 * To clear all NAT44 sessions
2725 * vpp# clear nat44 sessions
2728 VLIB_CLI_COMMAND (nat44_clear_sessions_command, static) = {
2729 .path = "clear nat44 sessions",
2730 .short_help = "clear nat44 sessions",
2731 .function = nat44_clear_sessions_command_fn,
2736 * @cliexstart{nat44 del session}
2737 * To administratively delete NAT44 session by inside address and port use:
2738 * vpp# nat44 del session in 10.0.0.3:6303 tcp
2739 * To administratively delete NAT44 session by outside address and port use:
2740 * vpp# nat44 del session out 1.0.0.3:6033 udp
2743 VLIB_CLI_COMMAND (nat44_del_session_command, static) = {
2744 .path = "nat44 del session",
2745 .short_help = "nat44 del session in|out <addr>:<port> tcp|udp|icmp [vrf <id>] [external-host <addr>:<port>]",
2746 .function = nat44_del_session_command_fn,
2751 * @cliexstart{nat44 forwarding}
2752 * Enable or disable forwarding
2753 * Forward packets which don't match existing translation
2754 * or static mapping instead of dropping them.
2755 * To enable forwarding, use:
2756 * vpp# nat44 forwarding enable
2757 * To disable forwarding, use:
2758 * vpp# nat44 forwarding disable
2761 VLIB_CLI_COMMAND (snat_forwarding_set_command, static) = {
2762 .path = "nat44 forwarding",
2763 .short_help = "nat44 forwarding enable|disable",
2764 .function = snat_forwarding_set_command_fn,
2769 * @cliexstart{nat44 deterministic add}
2770 * Create bijective mapping of inside address to outside address and port range
2771 * pairs, with the purpose of enabling deterministic NAT to reduce logging in
2773 * To create deterministic mapping between inside network 10.0.0.0/18 and
2774 * outside network 1.1.1.0/30 use:
2775 * # vpp# nat44 deterministic add in 10.0.0.0/18 out 1.1.1.0/30
2778 VLIB_CLI_COMMAND (snat_det_map_command, static) = {
2779 .path = "nat44 deterministic add",
2780 .short_help = "nat44 deterministic add in <addr>/<plen> out <addr>/<plen> [del]",
2781 .function = snat_det_map_command_fn,
2786 * @cliexpstart{show nat44 deterministic mappings}
2787 * Show NAT44 deterministic mappings
2788 * vpp# show nat44 deterministic mappings
2789 * NAT44 deterministic mappings:
2790 * in 10.0.0.0/24 out 1.1.1.1/32
2791 * outside address sharing ratio: 256
2792 * number of ports per inside host: 252
2793 * sessions number: 0
2796 VLIB_CLI_COMMAND (nat44_det_show_mappings_command, static) = {
2797 .path = "show nat44 deterministic mappings",
2798 .short_help = "show nat44 deterministic mappings",
2799 .function = nat44_det_show_mappings_command_fn,
2804 * @cliexstart{nat44 deterministic forward}
2805 * Return outside address and port range from inside address for deterministic
2807 * To obtain outside address and port of inside host use:
2808 * vpp# nat44 deterministic forward 10.0.0.2
2809 * 1.1.1.0:<1054-1068>
2812 VLIB_CLI_COMMAND (snat_det_forward_command, static) = {
2813 .path = "nat44 deterministic forward",
2814 .short_help = "nat44 deterministic forward <addr>",
2815 .function = snat_det_forward_command_fn,
2820 * @cliexstart{nat44 deterministic reverse}
2821 * Return inside address from outside address and port for deterministic NAT.
2822 * To obtain inside host address from outside address and port use:
2823 * #vpp nat44 deterministic reverse 1.1.1.1:1276
2827 VLIB_CLI_COMMAND (snat_det_reverse_command, static) = {
2828 .path = "nat44 deterministic reverse",
2829 .short_help = "nat44 deterministic reverse <addr>:<port>",
2830 .function = snat_det_reverse_command_fn,
2835 * @cliexstart{show nat44 deterministic sessions}
2836 * Show NAT44 deterministic sessions.
2837 * vpp# show nat44 deterministic sessions
2838 * NAT44 deterministic sessions:
2839 * in 10.0.0.3:3005 out 1.1.1.2:1146 external host 172.16.1.2:3006 state: udp-active expire: 306
2840 * in 10.0.0.3:3000 out 1.1.1.2:1141 external host 172.16.1.2:3001 state: udp-active expire: 306
2841 * in 10.0.0.4:3005 out 1.1.1.2:1177 external host 172.16.1.2:3006 state: udp-active expire: 306
2844 VLIB_CLI_COMMAND (nat44_det_show_sessions_command, static) = {
2845 .path = "show nat44 deterministic sessions",
2846 .short_help = "show nat44 deterministic sessions",
2847 .function = nat44_det_show_sessions_command_fn,
2852 * @cliexstart{nat44 deterministic close session out}
2853 * Close session using outside ip address and port
2854 * and external ip address and port, use:
2855 * vpp# nat44 deterministic close session out 1.1.1.1:1276 2.2.2.2:2387
2858 VLIB_CLI_COMMAND (snat_det_close_sesion_out_command, static) = {
2859 .path = "nat44 deterministic close session out",
2860 .short_help = "nat44 deterministic close session out "
2861 "<out_addr>:<out_port> <ext_addr>:<ext_port>",
2862 .function = snat_det_close_session_out_fn,
2867 * @cliexstart{nat44 deterministic close session in}
2868 * Close session using inside ip address and port
2869 * and external ip address and port, use:
2870 * vpp# nat44 deterministic close session in 3.3.3.3:3487 2.2.2.2:2387
2873 VLIB_CLI_COMMAND (snat_det_close_session_in_command, static) = {
2874 .path = "nat44 deterministic close session in",
2875 .short_help = "nat44 deterministic close session in "
2876 "<in_addr>:<in_port> <ext_addr>:<ext_port>",
2877 .function = snat_det_close_session_in_fn,
2883 * fd.io coding-style-patch-verification: ON
2886 * eval: (c-set-style "gnu")