>> Порт на свитче поменять пробовали?
> Сегодня попробую.
> Странно то, что при всем при этом сеть работает.Что-нибудь вышло? у меня та же история. TPLink на гигабит (re), FreeBSD 8.2 и DES-1228. на интерфейсе подняты 4 vlan и в логи сыплют сообщения типа:
May 31 09:37:16 fbsd kernel: re0: link state changed to UP
May 31 09:37:16 fbsd kernel: vlan4: link state changed to UP
May 31 09:37:16 fbsd kernel: vlan20: link state changed to UP
May 31 09:37:16 fbsd kernel: vlan9: link state changed to UP
May 31 09:37:16 fbsd kernel: vlan29: link state changed to UP
May 31 09:37:16 fbsd kernel: vlan12: link state changed to UP
May 31 09:37:16 fbsd kernel: re0: link state changed to DOWN
May 31 09:37:16 fbsd kernel: vlan4: link state changed to DOWN
May 31 09:37:16 fbsd kernel: vlan20: link state changed to DOWN
May 31 09:37:16 fbsd kernel: vlan9: link state changed to DOWN
May 31 09:37:16 fbsd kernel: vlan29: link state changed to DOWN
May 31 09:37:16 fbsd kernel: vlan12: link state changed to DOWN
May 31 09:37:17 fbsd kernel: re0: link state changed to DOWN
May 31 09:37:17 fbsd kernel: vlan4: link state changed to DOWN
May 31 09:37:17 fbsd kernel: vlan20: link state changed to DOWN
May 31 09:37:17 fbsd kernel: vlan9: link state changed to DOWN
May 31 09:37:17 fbsd kernel: vlan29: link state changed to DOWN
May 31 09:37:17 fbsd kernel: vlan12: link state changed to DOWN
May 31 09:37:19 fbsd kernel: re0: link state changed to DOWN
May 31 09:37:19 fbsd kernel: vlan4: link state changed to DOWN
May 31 09:37:19 fbsd kernel: vlan20: link state changed to DOWN
May 31 09:37:19 fbsd kernel: vlan9: link state changed to DOWN
May 31 09:37:19 fbsd kernel: vlan29: link state changed to DOWN
May 31 09:37:19 fbsd kernel: vlan12: link state changed to DOWN
May 31 09:37:21 fbsd kernel: re0: link state changed to UP
May 31 09:37:21 fbsd kernel: vlan4: link state changed to UP
May 31 09:37:21 fbsd kernel: vlan20: link state changed to UP
May 31 09:37:21 fbsd kernel: vlan9: link state changed to UP
May 31 09:37:21 fbsd kernel: vlan29: link state changed to UP
May 31 09:37:21 fbsd kernel: vlan12: link state changed to UP
May 31 09:37:21 fbsd kernel: re0: link state changed to DOWN
May 31 09:37:21 fbsd kernel: vlan4: link state changed to DOWN
May 31 09:37:21 fbsd kernel: vlan20: link state changed to DOWN
May 31 09:37:21 fbsd kernel: vlan9: link state changed to DOWN
May 31 09:37:21 fbsd kernel: vlan29: link state changed to DOWN
May 31 09:37:21 fbsd kernel: vlan12: link state changed to DOWN
May 31 09:37:22 fbsd kernel: re0: link state changed to DOWN
May 31 09:37:22 fbsd kernel: vlan4: link state changed to DOWN
May 31 09:37:22 fbsd kernel: vlan20: link state changed to DOWN
May 31 09:37:22 fbsd kernel: vlan9: link state changed to DOWN
May 31 09:37:22 fbsd kernel: vlan29: link state changed to DOWN
May 31 09:37:22 fbsd kernel: vlan12: link state changed to DOWN
May 31 09:37:24 fbsd kernel: re0: link state changed to DOWN
May 31 09:37:24 fbsd kernel: vlan4: link state changed to DOWN
May 31 09:37:24 fbsd kernel: vlan20: link state changed to DOWN
May 31 09:37:24 fbsd kernel: vlan9: link state changed to DOWN
May 31 09:37:24 fbsd kernel: vlan29: link state changed to DOWN
May 31 09:37:24 fbsd kernel: vlan12: link state changed to DOWN
причем сеть не работает и помогает только отключение сервера и последующее включение. только тогда интерфейс поднимается. менять пробовал все, и порт и кабель, свич перезагружал, результата нет