Добрый день, коллеги.
Есть примерно вот такая схема:
Сегодня в результате неаккуратных действий в стойке на две с половиной секунды отключалось одно из волокон одного линка (передача на стороне DGS-3420, приём на стороне Cisco 6506-E), и сразу же в лог на циске полетели полетели сообщения о MAC flaps:
Код:
Sep 29 11:51:47.007 Moscow: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/2/6, changed state to down
Sep 29 11:51:49.459 Moscow: %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/2/6, changed state to up
Sep 29 11:51:47.315 Moscow: %LINEPROTO-SW1_SP-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/2/6, changed state to down
Sep 29 11:51:49.809 Moscow: %LINEPROTO-SW1_SP-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/2/6, changed state to up
Sep 29 11:52:03.224 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 0013.80f0.b520 in vlan 20 is flapping between port Po8 and port Po48
Sep 29 11:52:12.941 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 3180 is flapping between port Po8 and port Po6
Sep 29 11:52:13.009 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3189 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.021 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 3160 is flapping between port Po8 and port Po6
Sep 29 11:52:13.021 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 3180 is flapping between port Po8 and port Po6
Sep 29 11:52:13.021 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3016 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.021 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.021 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3092 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.021 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 122 is flapping between port Po8 and port Po6
Sep 29 11:52:13.037 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 3102 is flapping between port Po8 and port Po6
Sep 29 11:52:13.081 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 00ff.95d6.bbcf in vlan 20 is flapping between port Po8 and port Po192
Sep 29 11:52:13.089 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 3014 is flapping between port Po8 and port Po6
Sep 29 11:52:13.093 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3120 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.093 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3120 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.093 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3092 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.093 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3092 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.093 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3092 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.093 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.097 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.097 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3120 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.097 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.097 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.097 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 6412.25d2.e6c0 in vlan 3160 is flapping between port Po8 and port Po6
Sep 29 11:52:13.101 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.101 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3128 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.101 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3019 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.114 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3045 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.166 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3107 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.166 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3098 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.166 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3092 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.182 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3135 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.198 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3019 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.254 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3147 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.262 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3104 is flapping between port Po8 and port Po1B
Sep 29 11:52:13.270 Moscow: %MAC_MOVE-SW1_SP-4-NOTIF: Host 10f3.11b3.e4c0 in vlan 3004 is flapping between port Po8 and port Po1B
Po8 на Cisco как раз и смотрит в сторону стека DGS-ов.
По уму надо бы настроить Unidirectional link detection на интерфейсах, входящих в LACP, но вот только на Cisco UDLD, а на DGS-ах DULD, и скорее всего они не заработают вместе.
Может у кого-то уже была такая задача, подскажите, как её решить?
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