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Filtering Duplicate SNMP Requests

By default, filtering duplicate get, getNext, and getBulk SNMP requests is disabled on JUNOS devices. If a network management station (NMS) retransmits a Get, GetNext, or GetBulk SNMP request too frequently to the router, it might interfere with the processing of previous requests and slow down the response time of the agent. Filtering these duplicate requests improves the response time of the SNMP agent. The JUNOS software uses the following information to determine if an SNMP request is a duplicate:

Source IP address of the SNMP request
Source UDP port of the SNMP request
Request ID of the SNMP request

To filter duplicate SNMP requests, include the filter-duplicates statement at the [edit snmp] hierarchy level:



[edit snmp]

filter-duplicates;

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