Когда как
когда надолго когда на пару секунд

синхронизирую по функциям встроенным в веб интерфейс
там на выбор всего 2 сервера оба длинковские
камеры в локалке с пробросом 80 портов.
что значит настроить нтп сервер?
наверное имелось ввиду нтп клиент? если да, то там вариантов нет: галка- включит - выключить и доступные серверы (их 2)
все.

Увас в локалке есть комп который может работать круглосуточно?
Если есть то можете в личку мне написать, чтобы не засорять топик.

нет
я понял к чему вы клоните
боюсь, что этот номер не пройдет

я так и не понял как вы синхронизируйтесь.Много пишите а подробностей так я и не увидел..
Возможно это связано с тем, что интернет поднимается позже, чем поднимается камера после восстановления питания и соответственно запрос от камеры на синхронизацию не проходит( кто-то писал уже на эту тему)
Можно синхронизироваться локально не используя D-linkovski ntp ..проверено именно на 942 модели.

да гемор в том что
в этом вся и проблема
что синхронизация не идет
по логам пусто
---
как тут высказывался суппорт дескать в случае неудачной попытки синхро след идет через 10 минут
но этого нет
по логам видно

вот и приходиться:
заходить на веб морду
и после каждого попадоса электричества изменять нтп на следующий по списку
так и дергаюсь то этот то тот
а сама камера ну ни как!

а нтп шники рабочие.
проблема что прошивка не делает ретрейвы НТП сервера.

вот и была просьба дописать в веб морду периодичность опроса, это довольно логично и так сделано в подавляющем кол-ве оборудования

а интернет не падает при отключении электричества?
Про 10 мин вы скорее всего правы...запроса от камеры я тоже не видел и поэтому синхронизирую локально.
Можете заскриншотить Web настройки Ntp раздела.

Конечно падает.
и получается (я писал в 1м топике)
такая картинка
подали электричество
камеры и роутер стартовали
камеры загрузились быстрее чем ротутер
поэтому на момент запроса на нтп
инета пока нет (роутер ещё не успел соединиться с инет-провом)
все
время 01-01-2013

прошу:
http://s2.ipicture.ru/uploads/20131119/0T365da9.jpg

Sorry
Смотрю в книгу и вижу фигу
Да скорее всего запрос от камеры на синхронизпцию идёт только после перезагрузки или же ручками как вы делаете(причём я думаю необязательно даже менять сервера)
Ну здесь три выхода:
1)Капать на мозги разработчикам( что как я понимаю уже пару лет происходит)
2)Ставить ИБП на роутер
3)Синхронизироваться локально, то есть настроить на любом компе NTP сервер (это несложно. если вы в реестр не боитесь лазить) и синхронизироваться по нему, но он должен не выключаться и быть в постоянном доступе.

вот 1е самое предпочтительное

Попробуйте подключить камеру в другом месте (через другой роутер). После повторного тестирования - через 10 мин синхронизация происходит, после успешной синхронизации - раз в полчаса повторяется.

Вот лог из другово места
там полное бесперебойное питание
и несколько резервных каналов интернета
(в смысле пропадение питания и интернета исключено)
вот лог за пару месяцев
прошу показать где происходит повторная синхронизация :
----------------
2013-01-01 16:00:49 admin, 192.168.0.110 is streaming video.
2013-01-01 16:03:29 admin, 192.168.0.110 is streaming video.
2013-01-01 16:05:25 admin, 192.168.0.110 is streaming video.
2013-01-01 16:05:40 admin, 192.168.0.110 is streaming video.
2013-01-01 16:07:41 admin, 192.168.0.110 is streaming video.
2013-01-01 16:10:39 admin, 192.168.0.110 is streaming video.
2013-01-01 16:13:14 admin, 192.168.0.110 is streaming video.
2013-01-01 16:13:37 admin, 192.168.0.110 is streaming video.
2013-01-01 16:15:00 admin, 192.168.0.110 is streaming video.
2013-10-07 13:18:06 System time is set directly with NTP time, some time-based services may be restarted.
2013-10-07 13:18:06 Synchronization with NTP server is OK.
2013-10-07 13:18:17 admin, 192.168.0.110 is streaming video.
2013-10-07 14:21:06 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-07 14:40:15 192.168.0.110 is streaming video.
2013-10-08 09:30:01 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-08 09:56:45 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-08 16:21:12 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-09 13:53:42 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-10 09:26:57 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-10 10:16:33 192.168.0.110 is streaming video.
2013-10-10 16:51:18 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-10 16:51:52 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-11 11:58:59 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-11 11:59:34 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-11 12:04:06 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-11 12:55:50 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-11 16:25:49 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-11 17:23:48 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-14 13:10:18 192.168.0.110 is streaming video.
2013-10-14 16:45:27 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-15 08:30:38 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-15 14:18:09 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-15 16:24:06 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-15 16:28:28 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-15 17:27:10 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 08:28:39 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 09:07:04 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 09:07:57 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:13:55 192.168.0.110 is streaming video.
2013-10-16 11:15:28 192.168.0.110 is streaming video.
2013-10-16 11:25:33 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:26:10 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:26:45 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:27:19 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:28:53 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:30:12 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:31:35 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 11:32:10 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 13:44:54 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 16:12:14 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 16:13:04 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 16:16:28 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-16 19:54:48 admin, 89.208.232.238 is streaming video.
2013-10-16 21:15:13 admin, 89.208.232.238 is streaming video.
2013-10-17 10:12:33 192.168.0.110 is streaming video.
2013-10-18 09:55:47 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-18 10:32:50 192.168.0.110 is streaming video.
2013-10-19 14:57:01 admin, 89.208.232.238 is streaming video.
2013-10-20 17:55:58 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-21 09:29:42 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-21 10:20:51 192.168.0.110 is streaming video.
2013-10-21 10:45:44 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-21 12:49:13 192.168.0.110 is streaming video.
2013-10-21 14:33:42 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-21 14:35:26 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-22 07:59:41 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-22 09:58:20 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-22 10:41:53 192.168.0.110 is streaming video.
2013-10-22 12:06:15 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-22 19:16:16 admin, 89.208.9.121 is streaming video.
2013-10-23 07:38:07 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-23 09:49:39 192.168.0.110 is streaming video.
2013-10-23 10:59:56 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-23 11:28:47 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-23 13:41:01 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-23 15:50:02 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-24 10:02:12 192.168.0.110 is streaming video.
2013-10-24 11:34:37 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-24 11:58:20 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-24 13:05:47 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-25 10:26:23 192.168.0.110 is streaming video.
2013-10-25 13:18:22 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-25 14:26:00 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-26 15:36:12 admin, 95.106.220.246 is streaming video.
2013-10-27 16:48:52 admin, 95.106.220.246 is streaming video.
2013-10-27 20:12:28 admin, 95.106.220.246 is streaming video.
2013-10-28 09:22:58 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-28 10:35:44 admin, 95.106.220.246 is streaming video.
2013-10-28 14:05:22 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-28 16:11:46 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-28 21:29:32 admin, 95.106.220.246 is streaming video.
2013-10-29 09:15:42 admin, 95.106.220.246 is streaming video.
2013-10-29 14:16:54 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-30 15:59:47 admin, 89.208.9.121 is streaming video.
2013-10-31 10:13:23 192.168.0.110 is streaming video.
2013-10-31 12:31:51 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 13:13:09 192.168.0.110 is streaming video.
2013-10-31 13:45:12 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 13:45:50 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 14:06:49 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 14:08:11 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 15:00:58 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 15:04:02 6 Snapshots by Motion Detection to E-mail is OK.
2013-10-31 16:46:25 192.168.0.110 is streaming video.
2013-11-01 09:56:32 192.168.0.110 is streaming video.
2013-11-01 14:28:57 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-02 16:49:17 admin, 89.208.9.121 is streaming video.
2013-11-02 19:39:40 admin, 89.208.9.121 is streaming video.
2013-11-04 10:46:51 admin, 89.208.254.111 is streaming video.
2013-11-05 08:15:01 admin, 89.208.254.111 is streaming video.
2013-11-05 10:07:29 192.168.0.110 is streaming video.
2013-11-06 08:38:42 admin, 89.208.254.111 is streaming video.
2013-11-06 10:08:48 192.168.0.110 is streaming video.
2013-11-06 12:29:53 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-06 16:52:53 admin, 192.168.0.111 is streaming video.
2013-11-06 18:30:24 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-07 10:04:46 192.168.0.110 is streaming video.
2013-11-07 15:28:36 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-08 09:41:50 192.168.0.110 is streaming video.
2013-11-08 15:52:03 192.168.0.110 is streaming video.
2013-11-08 19:35:46 admin, 89.208.5.198 is streaming video.
2013-11-08 19:35:47 admin, 89.208.5.198 is streaming video.
2013-11-09 09:27:41 admin, 89.208.5.198 is streaming video.
2013-11-09 18:11:27 admin, 89.208.5.198 is streaming video.
2013-11-11 07:56:01 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-11 10:03:22 192.168.0.110 is streaming video.
2013-11-11 12:47:59 6 Snapshots by Motion Detection to E-mail is failed.
2013-11-11 14:17:12 6 Snapshots by Motion Detection to E-mail is failed.
2013-11-11 14:57:13 6 Snapshots by Motion Detection to E-mail is failed.
2013-11-11 16:26:53 6 Snapshots by Motion Detection to E-mail is failed.
2013-11-11 17:20:53 6 Snapshots by Motion Detection to E-mail is failed.
2013-11-11 21:40:29 admin, 89.208.13.189 is streaming video.
2013-11-12 11:10:50 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:13:47 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:32:52 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:33:35 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:34:10 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:34:54 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:35:48 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:36:24 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:39:39 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 11:44:59 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 12:51:03 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 12:51:51 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 12:54:13 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:48:24 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:49:17 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:50:24 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:51:02 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:53:48 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:54:24 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-12 13:56:26 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-13 08:27:02 admin, 89.208.13.189 is streaming video.
2013-11-13 09:46:32 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-13 10:14:26 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-13 11:10:30 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-13 12:54:48 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-13 23:05:24 admin, 89.208.13.189 is streaming video.
2013-11-13 23:19:24 admin, 89.208.13.189 is streaming video.
2013-11-14 10:15:43 192.168.0.110 is streaming video.
2013-11-14 13:37:45 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-14 15:54:18 192.168.0.110 is streaming video.
2013-11-14 21:44:59 admin, 89.208.13.189 is streaming video.
2013-11-15 10:01:42 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:03:04 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:03:50 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:04:25 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:05:01 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:05:53 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:06:40 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:07:16 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 10:11:53 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 14:48:55 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-15 16:20:19 192.168.0.110 is streaming video.
2013-11-16 13:18:52 admin, 89.208.13.189 is streaming video.
2013-11-16 18:55:01 admin, 89.208.13.189 is streaming video.
2013-11-17 11:01:55 admin, 89.208.13.189 is streaming video.
2013-11-17 11:14:34 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-17 11:15:31 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-17 11:16:11 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-17 11:17:34 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-17 11:18:09 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-17 11:18:44 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-17 11:19:54 admin, 89.208.13.189 is streaming video.
2013-11-17 14:39:56 admin, 88.84.193.158 is streaming video.
2013-11-18 07:36:23 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-18 07:36:58 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-18 08:43:25 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-18 10:21:42 192.168.0.110 is streaming video.
2013-11-18 20:34:17 admin, 89.208.13.189 is streaming video.
2013-11-18 23:13:57 admin, 89.208.13.189 is streaming video.
2013-11-19 09:59:57 192.168.0.110 is streaming video.
2013-11-19 14:26:31 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-19 14:27:37 6 Snapshots by Motion Detection to E-mail is OK.
2013-11-20 00:04:19 admin, 213.248.17.2 is streaming video.
2013-11-20 00:04:31 admin, 213.248.17.2 is streaming video.
2013-11-20 10:18:49 192.168.0.110 is streaming video.
2013-11-20 11:13:25 admin, 192.168.0.110 is streaming video.

есть мысль что может эти глюки из за того что камеры подключены по вайфай?

За лог спасибо, я верю, что синхронизация у Вас не работает. Но только почему она не работает - пока не понятно. Ниже скриншот, как это выглядит на моей камере DCS-942L за несколько часов.

ну может это действительно связано с подключением по вифи?