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CONTAP-834927: SwitchConfigMismatch_Alert reported for BES-53248 switches in MetroCluster IP configurations when an RCF port description exceeds 64 characters

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ontap-9
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MetroCluster
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Issue

  • * After a MetroCluster IP RCF is applied to a BES-53248 switch, ONTAP reports "SwitchConfigMismatch_Alert" for the switch, but cluster, HA and MetroCluster IP traffic is not affected.
  • While the RCF is applied, the switch rejects port descriptions longer than 64 characters with the following message: Maximum allowed length of Description string is 64 characters.
  • The affected node-facing ports show a blank interface alias and role in system switch ethernet interface show and in the REST API endpoint /api/network/ethernet/switch/ports. This occurs in the following configurations:
    • Shared cluster and MetroCluster ports of AFF A150, AFF A220 and AFF A250: RCF v2.40 and later in any MetroCluster IP configuration, and RCF v1.40 to v2.30 in 8-node MetroCluster IP configurations.
    • Cluster ports of AFF A300, AFF A400 and FAS8700: RCF v2.40 and later in 8-node MetroCluster IP configurations.
    • Cluster and HA ports of AFF A20, AFF A30, AFF C30, AFF C60 and FAS50: RCF v2.30 and v2.40 in 8-node MetroCluster IP configurations.
  • To confirm this issue applies, use the command { Unknown macro: {system switch ethernet interface show -device <switch> -fields interface-name,if-alias,role,is-isl,oper-state}}

    • The affected node-facing ports are up with a blank interface alias and role, while the ISL ports show a populated interface alias.

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