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Cluster port link down after takeover

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ontap-9
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core
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Applies to

  • FAS2650
  • AFF A200
  • ONTAP 9

Issue

Cluster ports e0a and e0b link down after partner node is taken over:

  • sysconfig -a shows link-down status in cluster ports

slot 0: 10 Gigabit Ethernet Controller IX5-SFP+
    e0a MAC Address:    00:a0:98:d5:XX:XX (auto-unknown-fd-down)
    ...
    e0b MAC Address:    00:a0:98:d5:XX:XX (auto-unknown-fd-down)

  • network interface show shows operational status down in cluster ports

            Logical    Status     Network            Current       Current Is
Vserver     Interface  Admin/Oper Address/Mask       Node          Port    Home
----------- ---------- ---------- ------------------ ------------- ------- ----
Cluster
            aff200_clus1
                         up/down  169.254.200.103/16 aff200-2      e0a     true
            aff200_clus2
                         up/down  169.254.202.104/16 aff200-2      e0a     false

 

  • network port show shows link down in cluster ports

                                                  Speed(Mbps) Health
Port      IPspace      Broadcast Domain Link MTU  Admin/Oper  Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0M       Default      Default          up   1500  auto/1000  healthy
e0a       Cluster      Cluster          down 9000  auto/-     -
e0b       Cluster      Cluster          down 9000  auto/-     -
e0c       Default      Default          up   1500  auto/10000 healthy

 

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