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Dell SmartFabric OS10 User Guide Release 10.5.3

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SNMP source interface

Using the SNMP source interface feature, you can define the IP address for SNMP packets that are sent to a remote system. You can associate the IP address of the configured source interface for SNMP transmitted packets. Dell Technologies recommends that you can use the loopback interface as the SNMP source interface because it is always available. You can associate all management traffic (if required) to one address. This address does not change regardless of the egress interface that is used for system egress SNMP traffic.

Use the following command to associate all management traffic to one address:
OS10(config)# snmp-server source-interface {loopback interface# | mgmt 1/1/1}
The snmp-server source-interface command identifies the source IP address that will be used to transmit the trap and inform packets between the SNMP source and the specified interface. If an IP address is configured or changed in the specified source interface, then the new IP address is used for the SNMP trap and inform packets. If no IP address is configured on the interface, then the SNMP trap and inform packets use the IP address of the egress interface where it transmits the packets until an IP address is setup on the associated interface.

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