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    • How to perform a cluster port loopback test for 2-node switchless clusters
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_perform_a_cluster_port_loopback_test_for_2-node_switchless_clusters
      This procedure is used to determine which motherboard is at fault for a 2-node switchless cluster that uses the on-board e0a/e0b ports when one or both of the cluster ports are flapping. Note that for...This procedure is used to determine which motherboard is at fault for a 2-node switchless cluster that uses the on-board e0a/e0b ports when one or both of the cluster ports are flapping. Note that for nodes that do not use e0a/e0b for their cluster ports, the following procedure will need to be modified accordingly to refer to the correct in-use cluster ports on the respective nodes and available test ports as shown in the provided table.
    • Are there any qualified NICs that can be used with NetApp HCI nodes?
      https://kb.netapp.com/Legacy/NetApp_HCI/OS/Are_there_any_qualified_NICs_that_can_be_used_with_NetApp_HCI_nodes
      Applies to NetApp HCI Answer The NetApp HCI NICs are not interchangeable with other types of NICs. Additional Information additionalInformation_text
    • nicadmin convert command in ONTAP maintenance mode produces error "Conversion of port_name is not supported"
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Nicadmin_convert_command_in_ONTAP_maintenance_mode_produces_error_Conversion_of_port_name_is_not_supported
      Applies to FAS Models AFF Models ONTAP 9 Issue While attempting to convert an Ethernet port using the "nicadmin" maintenance mode command, the following error is received: *> nicadmin convert -m 40G e...Applies to FAS Models AFF Models ONTAP 9 Issue While attempting to convert an Ethernet port using the "nicadmin" maintenance mode command, the following error is received: *> nicadmin convert -m 40G e0e Conversion of e0e is not supported
    • How to convert Deploy vmnic from E1000 to VMXNET3
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/How_to_convert_Deploy_vmnic_from_E1000_to_VMXNET3
      Applies to Deploy Appliance VMware ESXi 7 NIC Upgrade from E1000 to VMXNET3 Description This procedure explains how to convert Deploy vmnic from E1000 to VMXNET3 as ESXi 7 is not supporting E1000.
    • NetSchedHClkPortQuiesce impact on ONTAP Select
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/NetSchedHClkPortQuiesce_impact_on_ONTAP_Select
      [Select01-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2012-05.local:mailbox.target.select000001 (type: mailbox, address: xxx.xx.xx...[Select01-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2012-05.local:mailbox.target.select000001 (type: mailbox, address: xxx.xx.xx.xx). [Select01-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting (destroy sim) for the target iqn.2012-05.local:mailbox.target.select000001 (type: mailbox, address: xxx.xx.xx.xx).
    • NIC still sees CRC errors after SFP replacement
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/NIC_still_sees_CRC_errors_after_SFP_replacement
      slot 0: 10G/25G Ethernet Controller CX5-Mezz e0g MAC Address: d0:39:ea:xx:xx:xx(auto-10g_sr-fd-up) SFP Vendor: FINISAR CORP. SFP Part Number: FTLX8574D3BCL SFP Serial Number: xxx e0h MAC Address: d0:3...slot 0: 10G/25G Ethernet Controller CX5-Mezz e0g MAC Address: d0:39:ea:xx:xx:xx(auto-10g_sr-fd-up) SFP Vendor: FINISAR CORP. SFP Part Number: FTLX8574D3BCL SFP Serial Number: xxx e0h MAC Address: d0:39:ea:xx:xx:xx (auto-10g_sr-fd-up) SFP Vendor: FINISAR CORP. SFP Part Number: FTLX8574D3BCL SFP Serial Number: xxx Device Type: CX5 PSID(NAP0000000007) Firmware Version: 16.26.4012 ifstat shows increasing CRC errors on affected port even after SFP replacement
    • NIC firmware version mismatch alert on Element software
      https://kb.netapp.com/Legacy/NetApp_HCI/OS/NIC_firmware_version_mismatch_alert_on_Element_software
      Applies to NetApp HCI NetApp Element software Issue Examples from NetApp SolidFire Active IQ: NETWORK_FIRMWARE_VERSION_ETH1 should be == 14.21.1000 (SM_2111000001034) but is 14.17.2020 (SM_21110000010...Applies to NetApp HCI NetApp Element software Issue Examples from NetApp SolidFire Active IQ: NETWORK_FIRMWARE_VERSION_ETH1 should be == 14.21.1000 (SM_2111000001034) but is 14.17.2020 (SM_2111000001034) NETWORK_FIRMWARE_VERSION_ETH1 should be >= 14.25.1020 (SM_2111000001034) but is 14.21.1000 (SM_2111000001034) The firmware version messages vary depending on the version of Element that is currently installed.
    • CX5 25G network ports might not come online after reboot
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/CX5_25G_network_ports_might_not_come_online_after_reboot
      Applies to 10G/25G Ethernet Controller CX5 in 25G mode Adapters: X1122A, X1153, X91122A, X91152A Onboard mezzanine: X1161A Cisco Nexus 93180YC-FX ACI mode Issue 25GbE ports might randomly fail to link...Applies to 10G/25G Ethernet Controller CX5 in 25G mode Adapters: X1122A, X1153, X91122A, X91152A Onboard mezzanine: X1161A Cisco Nexus 93180YC-FX ACI mode Issue 25GbE ports might randomly fail to link up after a system reboot.
    • How to configure Network Interface Controller (NIC) on an Element Management Node (mNode) or Storage Node
      https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/How_to_configure_Network_Interface_Controller_NIC_on_an_Element_Management_Node_mNode_or_Storage_Node
      Applies to NetApp Element OS 11.3 or later NetApp Element Management Node (mNode) 11.3 or later Description Procedure to configure additional interface onto mNode version 11.3 or later