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Cluster ports flap while migrating from switchless to switched configuration

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fas-systems
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hw
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Applies to

  • FAS8020
  • CN1610 cluster switch

Issue

cluster::*> network interface revert -vserver node1 -lif clus1
cluster::*> network interface revert -vserver node2 -lif clus1
  • DMESG  section in autosupport show multiple link flapping
[599] e0b: ixgbe_check_mac_link_generic: **LINK UP** link_up = 0x00000001
[599] e0b: ixgbe_check_mac_link_generic: **LINK DOWN** link_up = 0x00000000
  • EMS section in autosupport
[node2:netif.init.failed:ALERT]: Initialization of network interface e0b failed due to unexpected software error ix:23.
  • Takeover -> giveback does not stabilize the link

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