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Dell Configuration Guide for the S4048–ON System 9.14.2.6

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Configuring ARP Retries

You can configure the number of ARP retries.

The default backoff interval remains at 20 seconds. On the device, the time between ARP resend is configurable. This timer is an exponential backoff timer. Over the specified period, the time between ARP requests increases. This time increase reduces the potential for the system to slow down while waiting for a multitude of ARP responses.

To set and display ARP retries, use the following commands.

  • Set the number of ARP retries.
    CONFIGURATION mode
    arp retries number
    The default is 5.
    The range is from 1 to 20.
  • Set the exponential timer for resending unresolved ARPs.
    CONFIGURATION mode
    arp backoff-time
    The default is 30.
    The range is from 1 to 3600.
  • Display all ARP entries learned via gratuitous ARP.
    EXEC Privilege mode
    show arp retries

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