300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and Services

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QuestionQ13

Layer 3 Technologies

An engineer receives a ticket regarding a router that has reloaded. Monitoring-system graphs show different traffic patterns between logical and physical interfaces after the router reboots. Which action resolves the issue?

Explanation

SNMP ifIndex persistence retains IF-MIB interface index values across reloads, maintaining consistent interface identification and preventing monitoring graphs from associating traffic with changed interface OIDs. Global configuration applies this persistence to all applicable interfaces.

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