3.1 Concepts for communications

NNMi uses SNMP and ICMP primarily in a request-response manner. Responses to ICMP ping requests verify address responsiveness. Responses to SNMP requests for specific MIB objects provide more comprehensive information about a node.

The following concepts apply to NNMi communications configuration:

• Levels of communication configuration

• Network latency and timeouts

• SNMP access control

• SNMP version preferences

• Management address preferences

• Polling protocols

• nnmsnmp*.ovpl commands

Organization of this section

• 3.1.1 Levels of communication configuration

• 3.1.2 Network latency and timeouts

• 3.1.3 SNMP access control

• 3.1.4 SNMP version preferences

• 3.1.5 Management address preferences

• 3.1.6 Polling protocols

• 3.1.7 nnmsnmp*.ovpl commands

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