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SwitchCommunityString_Alert CSHM alert due to blocked SNMP traffic

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Category:
fabric-interconnect-and-management-switches
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HW
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Applies to

Cluster Network Switches

Issue

  • System Health alerts for SwitchCommunityString:
::> system health alert show -instance                                                                                  
Node: node_name                                                                                                         
Monitor: ethernet-switch                                                                                                
Alert ID: SwitchCommunityString_Alert                                                                                   
...                                                                                                                     
Probable Cause: Configuration_error                                                                                     
Description: Ethernet switch "nsglb224" with IP address "10.20.9.233" is not reachable via SNMP. Incorrect SNMP community string might be configured on the Ethernet switch.
Corrective Actions: Check the SNMP community string on the Ethernet switch to verify that the expected community string is configured. Use the "system switch ethernet show -snmp-config" command to view the expected community string.
Possible Effect: Ethernet switch communication problems and accessibility issues.                                       
...                                                                                                                     
  • Network ping between node management ports and switch management ports is fine:
::> network ping -vserver <node_management_LIF_SVM> -lif <node_management_LIF> -destination <switch_management_IP>      
<switch_management_IP> is alive                                                                                         
 

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