88_serega
25-11-2013, 15:22
Добрый День!
Столкнулся с проблемой:
Сеть поделена на vlan-ы и поднят брижд (br0). К бриджу привязаны 2 vlan-а (vlan5 и vlan6). В vlan5 сидит офис, в vlan6 сидят сервера. С недавнего времени ночью стал пропадать доступ в интернет (vlan2), шлюз провайдера не пингуется и причем рестарт службы network результатов не даёт. После перезагрузки шлюза доступ в инет появляется. В /var/log/messages постоянно сыпятся следующие ошибки:
Nov 25 15:35:59 ROUTER kernel: [24303.204715] vlan5: received packet with own address as source address
Nov 25 15:35:59 ROUTER kernel: [24303.800219] vlan5: received packet with own address as source address
Nov 25 15:37:00 ROUTER kernel: [24364.694522] vlan5: received packet with own address as source address
Nov 25 15:38:01 ROUTER kernel: [24425.589733] vlan5: received packet with own address as source address
Nov 25 15:39:02 ROUTER kernel: [24486.484548] vlan5: received packet with own address as source address
Nov 25 15:39:07 ROUTER kernel: [24491.474988] vlan5: received packet with own address as source address
Nov 25 15:40:03 ROUTER kernel: [24547.378986] vlan5: received packet with own address as source address
Nov 25 15:41:04 ROUTER kernel: [24608.274709] vlan5: received packet with own address as source address
Nov 25 15:42:05 ROUTER kernel: [24669.168899] vlan5: received packet with own address as source address
Nov 25 15:43:06 ROUTER kernel: [24730.062637] vlan5: received packet with own address as source address
Nov 25 15:44:07 ROUTER kernel: [24790.958361] vlan5: received packet with own address as source address
На сколько я понимаю, эти сообщения свидетельствуют о наличии петли, но сетка не провисает. На коммутаторах запущен stp, в логах коммутаторов всё чисто..
Вот вывод лога шлюза перед исчезновением инета:
Nov 24 16:05:45 ROUTER kernel: [198455.754225] br0: port 3(vlan6) entering disabled state
Nov 24 16:05:45 ROUTER kernel: [198455.754254] br0: port 2(vlan5) entering disabled state
Nov 24 16:05:48 ROUTER kernel: [198459.486184] device vlan5 left promiscuous mode
Nov 24 16:05:48 ROUTER kernel: [198459.486210] br0: port 2(vlan5) entering disabled state
Nov 24 16:05:49 ROUTER kernel: [198460.086418] device vlan6 left promiscuous mode
Nov 24 16:05:49 ROUTER kernel: [198460.086444] device eth0 left promiscuous mode
Nov 24 16:05:49 ROUTER kernel: [198460.086477] br0: port 3(vlan6) entering disabled state
Nov 24 16:05:50 ROUTER kernel: [198460.964051] device eth0 entered promiscuous mode
Nov 24 16:06:04 ROUTER kernel: [198474.849410] br0: Dropping NETIF_F_UFO since no NETIF_F_HW_CSUM feature.
Nov 24 16:06:04 ROUTER kernel: [198474.860134] device eth0 left promiscuous mode
Nov 24 16:06:04 ROUTER kernel: [198475.046432] device vlan5 entered promiscuous mode
Nov 24 16:06:04 ROUTER kernel: [198475.046452] device eth0 entered promiscuous mode
Nov 24 16:06:07 ROUTER kernel: [198477.885852] br0: port 3(vlan6) entering learning state
Nov 24 16:06:07 ROUTER kernel: [198477.885859] br0: port 2(vlan5) entering learning state
Nov 24 16:06:07 ROUTER kernel: [198477.887692] br0: topology change detected, propagating
Nov 24 16:06:07 ROUTER kernel: [198477.887696] br0: port 3(vlan6) entering forwarding state
Nov 24 16:06:07 ROUTER kernel: [198477.887700] br0: topology change detected, propagating
Nov 24 16:06:07 ROUTER kernel: [198477.887702] br0: port 2(vlan5) entering forwarding state
Nov 24 16:06:07 ROUTER kernel: [198477.887706] br0: topology change detected, propagating
Подскажите пожадуйста, как совладать с этой гадостью.
Столкнулся с проблемой:
Сеть поделена на vlan-ы и поднят брижд (br0). К бриджу привязаны 2 vlan-а (vlan5 и vlan6). В vlan5 сидит офис, в vlan6 сидят сервера. С недавнего времени ночью стал пропадать доступ в интернет (vlan2), шлюз провайдера не пингуется и причем рестарт службы network результатов не даёт. После перезагрузки шлюза доступ в инет появляется. В /var/log/messages постоянно сыпятся следующие ошибки:
Nov 25 15:35:59 ROUTER kernel: [24303.204715] vlan5: received packet with own address as source address
Nov 25 15:35:59 ROUTER kernel: [24303.800219] vlan5: received packet with own address as source address
Nov 25 15:37:00 ROUTER kernel: [24364.694522] vlan5: received packet with own address as source address
Nov 25 15:38:01 ROUTER kernel: [24425.589733] vlan5: received packet with own address as source address
Nov 25 15:39:02 ROUTER kernel: [24486.484548] vlan5: received packet with own address as source address
Nov 25 15:39:07 ROUTER kernel: [24491.474988] vlan5: received packet with own address as source address
Nov 25 15:40:03 ROUTER kernel: [24547.378986] vlan5: received packet with own address as source address
Nov 25 15:41:04 ROUTER kernel: [24608.274709] vlan5: received packet with own address as source address
Nov 25 15:42:05 ROUTER kernel: [24669.168899] vlan5: received packet with own address as source address
Nov 25 15:43:06 ROUTER kernel: [24730.062637] vlan5: received packet with own address as source address
Nov 25 15:44:07 ROUTER kernel: [24790.958361] vlan5: received packet with own address as source address
На сколько я понимаю, эти сообщения свидетельствуют о наличии петли, но сетка не провисает. На коммутаторах запущен stp, в логах коммутаторов всё чисто..
Вот вывод лога шлюза перед исчезновением инета:
Nov 24 16:05:45 ROUTER kernel: [198455.754225] br0: port 3(vlan6) entering disabled state
Nov 24 16:05:45 ROUTER kernel: [198455.754254] br0: port 2(vlan5) entering disabled state
Nov 24 16:05:48 ROUTER kernel: [198459.486184] device vlan5 left promiscuous mode
Nov 24 16:05:48 ROUTER kernel: [198459.486210] br0: port 2(vlan5) entering disabled state
Nov 24 16:05:49 ROUTER kernel: [198460.086418] device vlan6 left promiscuous mode
Nov 24 16:05:49 ROUTER kernel: [198460.086444] device eth0 left promiscuous mode
Nov 24 16:05:49 ROUTER kernel: [198460.086477] br0: port 3(vlan6) entering disabled state
Nov 24 16:05:50 ROUTER kernel: [198460.964051] device eth0 entered promiscuous mode
Nov 24 16:06:04 ROUTER kernel: [198474.849410] br0: Dropping NETIF_F_UFO since no NETIF_F_HW_CSUM feature.
Nov 24 16:06:04 ROUTER kernel: [198474.860134] device eth0 left promiscuous mode
Nov 24 16:06:04 ROUTER kernel: [198475.046432] device vlan5 entered promiscuous mode
Nov 24 16:06:04 ROUTER kernel: [198475.046452] device eth0 entered promiscuous mode
Nov 24 16:06:07 ROUTER kernel: [198477.885852] br0: port 3(vlan6) entering learning state
Nov 24 16:06:07 ROUTER kernel: [198477.885859] br0: port 2(vlan5) entering learning state
Nov 24 16:06:07 ROUTER kernel: [198477.887692] br0: topology change detected, propagating
Nov 24 16:06:07 ROUTER kernel: [198477.887696] br0: port 3(vlan6) entering forwarding state
Nov 24 16:06:07 ROUTER kernel: [198477.887700] br0: topology change detected, propagating
Nov 24 16:06:07 ROUTER kernel: [198477.887702] br0: port 2(vlan5) entering forwarding state
Nov 24 16:06:07 ROUTER kernel: [198477.887706] br0: topology change detected, propagating
Подскажите пожадуйста, как совладать с этой гадостью.