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    • AutoSupport connection refused
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/AutoSupport_connection_refused
      Applies to ONTAP 9 AutoSupport Issue AutoSupport message status shows "transmission-failed" In notifyd.log output, you see: message: connect to 216.240.21.18 port 443 failed: Connection refused
    • Cluster monitoring doesn't work in OCUM after applying firewall rule in ONTAP
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/Cluster_monitoring_doesn_t_work_in_OCUM_after_applying_firewall_rule_in_ONTAP
      2020-07-27 12:13:05,080 ERROR [admin] [job-327] [refresh(cluster=clustername)|forceAcquisition] [com.netapp.dfm.job.JobEngine] Error executing job 4f93c562a2fc8c90:5f9303c:173774a6c44:-4d3a task 4f93c...2020-07-27 12:13:05,080 ERROR [admin] [job-327] [refresh(cluster=clustername)|forceAcquisition] [com.netapp.dfm.job.JobEngine] Error executing job 4f93c562a2fc8c90:5f9303c:173774a6c44:-4d3a task 4f93c562a2fc8c90:5f9303c:173774a6c44:-4d3c: Errors reported on acquisition with start time 12:13:04.798: [[Device name IP or FQDN]: Failed to connect to the cluster.]
    • What firewall ports need to be open for SNMP communication between ONTAP and Cluster Switch
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/What_firewall_ports_need_to_be_open_for_SNMP_communication_between_ONTAP_and_Cluster_Switch
      Applies to ONTAP 9 Cluster network switches NetApp Cluster network switches from Broadcom Cluster network switches from Cisco Cluster network switches from NVIDIA Answer Ports 161 and 162 must be allo...Applies to ONTAP 9 Cluster network switches NetApp Cluster network switches from Broadcom Cluster network switches from Cisco Cluster network switches from NVIDIA Answer Ports 161 and 162 must be allowed for SNMP communication (both directions) SNMP is required if you want to monitor the Cluster switches from ONTAP Additionally, for PING and SSH to work the respective ports also should be open on the firewall
    • CIFS shares inaccessible, "no route to host", and secd.dns.srv.lookup.failed
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/CIFS_shares_inaccessible_no_route_to_host_and_secd_dns_srv_lookup_failed
      [netapp01-01: secd: secd.dns.srv.lookup.failed:error]: DNS server failed to look up service(_ldap._tcp.dc._msdcs.netapp.com) for vserver (netapp-cifs01) with error (Connection refused). [     6] Faile...[netapp01-01: secd: secd.dns.srv.lookup.failed:error]: DNS server failed to look up service(_ldap._tcp.dc._msdcs.netapp.com) for vserver (netapp-cifs01) with error (Connection refused). [     6] Failed to connect to 10.10.10.10 for DNS via Source Address 10.10.10.165: No route to host [     6] Failed to connect to 10.10.10.20 for DNS via Source Address 10.10.10.165: No route to host [     6] Failed to connect to 10.10.10.30 for DNS via Source Address 10.10.10.165: No route to host
    • Download of firmware image fails in ONTAP, however download succeeds with node at LOADER
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Download_of_firmware_image_fails_in_ONTAP_however_download_succeeds_with_node_at_LOADER
      Downloading a new ONTAP image or firmware file fails once a node boots up ONTAP, however it works as expected when downloading from the HTTP server at the LOADER prompt (prior to booting ONTAP on the ...Downloading a new ONTAP image or firmware file fails once a node boots up ONTAP, however it works as expected when downloading from the HTTP server at the LOADER prompt (prior to booting ONTAP on the node) NetApp Data ONTAP 9.5P12 <<<---ONTAP is booting here This procedure will replace existing Data ONTAP software with new software. What is the URL for the package? Verify that the network is properly configured, that the gateway is set
    • E-Series AutoSupport delivery fails due to firewall block
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_AutoSupport_delivery_fails_due_to_firewall_block
      7/8/22 06:33:32 UTC -> Priority:CRITICAL, ASUP Message Type:Daily Schedule, ASUP Task Type:Delivery, Status:FAILED, Storage Array:MIFSSS, SAID:6D039EA000958E5B000000006296960B, Chassis Serial Number:9...7/8/22 06:33:32 UTC -> Priority:CRITICAL, ASUP Message Type:Daily Schedule, ASUP Task Type:Delivery, Status:FAILED, Storage Array:MIFSSS, SAID:6D039EA000958E5B000000006296960B, Chassis Serial Number:952203000927, Thread ID:217,744, Delivery Method:HTTPS, Sequence Number:108, Delivery URI:support.netapp.com/put/AsupPut/, AutoSupport Decompressed Size:N/A, Total Collection Time:N/A, Message:AutoSupport message dispatch failed as the server is not reachable.
    • Unable to restrict SSH access to specific IP using firewall policy
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Unable_to_restrict_SSH_access__to_specific_IP_using_firewall_policy
      Applies to ONTAP 9.6 and later Issue After upgrading ONTAP to version 9.7 SSH entry is missing when trying to create/modify firewall policy . How to apply a certain policy that will provide specific a...Applies to ONTAP 9.6 and later Issue After upgrading ONTAP to version 9.7 SSH entry is missing when trying to create/modify firewall policy . How to apply a certain policy that will provide specific access to SSH by an IP Address?