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    • Call home for CLUSTER NETWORK DEGRADED: Total Packet Loss
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Call_home_for_CLUSTER_NETWORK_DEGRADED__Total_Packet_Loss
      Callhome.clus.net.degraded: Call home for CLUSTER NETWORK DEGRADED: Total Packet Loss - Ping failures detected between cluster-b_Clus2 ( ip address ) on cluster-b and cluster-a_Clus2 ( ip address ) on...Callhome.clus.net.degraded: Call home for CLUSTER NETWORK DEGRADED: Total Packet Loss - Ping failures detected between cluster-b_Clus2 ( ip address ) on cluster-b and cluster-a_Clus2 ( ip address ) on cluster-a vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Large MTU Packet Loss - Ping failures detected between Node1_clus1 ( 169.254.XXX.XXX ) on Node1 and Node2_clus1 ( 169.254.XXX.XX ) on Node2
    • RCF fails to apply properly resulting in cluster network degraded
      https://kb.netapp.com/on-prem/Switches/Cisco-KBs/RCF_fails_to_apply_properly_resulting_in_cluster_network_degraded
      user=admin:cmd=configure terminal ; interface Ethernet1/1-8, Ethernet1/9/1-4, Ethernet1/10/1-4 ; spanning-tree port type edge trunk (FAILURE) user=admin:cmd=configure terminal ; interface Ethernet1/1-...user=admin:cmd=configure terminal ; interface Ethernet1/1-8, Ethernet1/9/1-4, Ethernet1/10/1-4 ; spanning-tree port type edge trunk (FAILURE) user=admin:cmd=configure terminal ; interface Ethernet1/1-8, Ethernet1/9/1-4, Ethernet1/10/1-4 ; inherit port-profile CLUSTER_HA (FAILURE) user=admin:cmd=configure terminal ; interface Ethernet1/11-22 ; spanning-tree port type edge trunk (FAILURE) user=admin:cmd=configure terminal ; interface Ethernet1/11-22 ; inherit port-profile STORAGE (FAILURE) user=a…
    • CLUSTER NETWORK DEGRADED Autosupport Messages for ISL issues
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/CLUSTER_NETWORK_DEGRADED_Autosupport_Messages_for_ISL_issues
      =-=-=-=-=-=Thu Feb 18 2021, 15:13:31 CET -- interface e0b (13 days, 4 hours, 22 minutes, 23 seconds) -- Error symbol: 83 | Illegal symbol: 53 | Bus overruns: 0 -- interface e0d (13 days, 4 hours, 22 m...=-=-=-=-=-=Thu Feb 18 2021, 15:13:31 CET -- interface e0b (13 days, 4 hours, 22 minutes, 23 seconds) -- Error symbol: 83 | Illegal symbol: 53 | Bus overruns: 0 -- interface e0d (13 days, 4 hours, 22 minutes, 15 seconds) -- Error symbol: 55 | Illegal symbol: 32 | Bus overruns:
    • Call home for CLUSTER NETWORK DEGRADED Frequent Link Flapping
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Call_home_for_CLUSTER_NETWORK_DEGRADED_Frequent_Link_Flapping
      The cluster port link is flapping causing the cluster network to be degraded and the following events are reported in the system: [Node-02: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLU...The cluster port link is flapping causing the cluster network to be degraded and the following events are reported in the system: [Node-02: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Frequent Link Flapping - Cluster port e0a on node Node-02 has experienced multiple link down notifications. The below alert is reported in the event logs when the link between the cluster port and cluster switch goes down:
    • After switch reboot, CLUSTER NETWORK DEGRADED ALERT, SwitchIfIslDownWarn_Alert/ClusterIfIslDownWarn_Alert were seen
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/After_switch_reboot_CLUSTER_NETWORK_DEGRADED_ALERT_seen_SwitchIfIslDownWarn_Alert
      After every cluster switch reboot, AutoSupport generates CLUSTER NETWORK DEGRADED and SwitchIfIslDownWarn_Alert errors. The Switch-Health in system health subsystem show reports degraded.
    • ONTAP Select or CVO giveback vetoed because aggr is being resynced
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/ONTAP_Select_or_CVO_Giveback_vetoed_because_aggr_is_being_resynced
      NetApp ONTAP Select (OTS) Cloud Volumes ONTAP (CVO) Giveback of ONTAP Select VM or Cloud Volumes ONTAP instance cannot complete and is vetoed by RAID module: Node Aggregate Giveback Status Warning: Un...NetApp ONTAP Select (OTS) Cloud Volumes ONTAP (CVO) Giveback of ONTAP Select VM or Cloud Volumes ONTAP instance cannot complete and is vetoed by RAID module: Node Aggregate Giveback Status Warning: Unable to list entries on node select-01. RPC: Couldn't make connection [from mgwd on node "select-02" (VSID: -1) to mgwd at xxx.xx.xxx.xxx] Giveback vetoed: Cannot the giveback without checks, use the Node management LIF cannot be accessed due to node being in takeover
    • CLUSTER NETWORK DEGRADED errors after ONTAP upgrade to 9.7
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/USTER_NETWORK_DEGRADED_errors_after_ONTAP_upgrade_to_9_7
      Applies to CN1610 with Fastpath 1.3.0.2 RCF 1.2 ONTAP upgrade to 9.7 Issue CLUSTER NETWORK DEGRADED message for all nodes seen in EMS.log [node-03: vifmgr: callhome.clus.net.degraded:alert]: Call home...Applies to CN1610 with Fastpath 1.3.0.2 RCF 1.2 ONTAP upgrade to 9.7 Issue CLUSTER NETWORK DEGRADED message for all nodes seen in EMS.log [node-03: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Total Packet Loss - Ping failures detected between node_name-03_clus1 ( 169.254.154.247 ) on node_name-03 and node_name-04_clus2 ( 169.254.154.3 ) on node_name-04 ISL cable links and SFPs seems connected correctly
    • Cluster network degraded alert from Cluster switch
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Cluster_network_degraded_alert_from_Cisco_C3132Q_V
      Mar 18, 2020 07:35:35 CDT HA Group Notification (CLUSTER NETWORK DEGRADED) ALERT [Nodename-01: vifmgr: vifmgr.cluscheck.droppedlarge:alert]: Partial packet loss when pinging from cluster lif Nodename-...Mar 18, 2020 07:35:35 CDT HA Group Notification (CLUSTER NETWORK DEGRADED) ALERT [Nodename-01: vifmgr: vifmgr.cluscheck.droppedlarge:alert]: Partial packet loss when pinging from cluster lif Nodename-01_clus2 (node Nodename-01) to cluster lif Nodename-02_clus2 (node Nodename-02). [Nodename-01: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif Nodename-01_clus1 (node Nodename-01) to cluster lif Nodename-02_clus2 (node Nodename-02).
    • Cluster Network Degraded alerts reported multiple times due to errors on cluster ports
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Cluster_Network_Degraded_alerts_reported_due_to_errors_cluster_ports
      Multiple errors are reported on cluster ports of all the nodes except for one cluster port as seen in RECEIVE section of IFSTAT output. You may see the cluster switch health as degraded in the system ...Multiple errors are reported on cluster ports of all the nodes except for one cluster port as seen in RECEIVE section of IFSTAT output. You may see the cluster switch health as degraded in the system health alert show command output Cluster ports with multiple errors (may see a combination of CRC err, Error symbol, Illegal symbol, etc): The following alert may be generated against the connected switch port of the only node port without receive CRC errors:
    • Cluster Network Degraded alerts in an ONTAP Select HA Environment
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/Cluster_Network_Degraded_alerts_in_an_ONTAP_Select_HA_Environment
      Applies to ONTAP Select VMWare ESXi Issue Cluster network degraded alerts are present in the ONTAP logs. Further, storage failover is disabled and data is being served off only one node.
    • CLUSTER NETWORK DEGRADED  on BES-53248
      https://kb.netapp.com/on-prem/Switches/Broadcom-KBs/CLUSTER_NETWORK_DEGRADED__on_BES-53248
      [vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif node_name01_clus1 (node node_name) to cluster lif node_name-03_clus2 (node node_name-03). [vifmgr: vifm...[vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif node_name01_clus1 (node node_name) to cluster lif node_name-03_clus2 (node node_name-03). [vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif node_name01_clus1 (node node_name) to cluster lif node_name-01_clus2 (node node_name-01).