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What is the default iparp refresh time in accordance with iparp timeout time?

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TitleWhat is the default iparp refresh time in accordance with iparp timeout time?
Question
How is iparp refresh affected when changing iparp timeout?
Environment
  • Summit All
  • BD All
  • EXOS All
Answer

If ARP refresh is enabled, the switch resends ARP requests for the host at 3/4 of the configured ARP timer value.

For example: If the ARP timeout is set to 20 minutes, the switch attempts to resend an ARP request for the host when the host entry is at 15 minutes. If the host replies, the ARP entry is reset back to 0, and the timer starts again.

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