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ARP Entry

Created: Feb 10, 2020 16:34:20Latest reply: Feb 17, 2020 00:41:14 140 7 0 0
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What does Incomplete mean in the value of MAC ADDRESS of an ARP Entry?
Thanks

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MVE Created Feb 10, 2020 17:03:56 Helpful(2) Helpful(2)

If the value of MAC ADDRESS in an ARP entry is Incomplete, this ARP entry is a temporary one. When IP packets trigger ARP
Miss messages, a device generates a temporary ARP entry and sends
ARP Request packets to the destination network segment.
  • Before the temporary ARP entry is aged out:

    • If the device has not received any ARP Reply packet, the device
      discards the IP packets matching the temporary ARP entry and does
      not trigger any ARP Miss message.

    • If the device has received an ARP Reply packet, the device generates
      a correct ARP entry to replace the temporary entry.

  • After the temporary ARP entry ages out, the device deletes this
    entry.

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umaryaqub MVE Created Feb 10, 2020 17:03:56 Helpful(2) Helpful(2)

If the value of MAC ADDRESS in an ARP entry is Incomplete, this ARP entry is a temporary one. When IP packets trigger ARP
Miss messages, a device generates a temporary ARP entry and sends
ARP Request packets to the destination network segment.
  • Before the temporary ARP entry is aged out:

    • If the device has not received any ARP Reply packet, the device
      discards the IP packets matching the temporary ARP entry and does
      not trigger any ARP Miss message.

    • If the device has received an ARP Reply packet, the device generates
      a correct ARP entry to replace the temporary entry.

  • After the temporary ARP entry ages out, the device deletes this
    entry.

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  • x
  • convention:

wissal MVE Created Feb 10, 2020 17:06:56 Helpful(1) Helpful(1)

Hello,
If the value of MAC ADDRESS in an ARP entry is Incomplete, this ARP entry is a temporary one. When IP packets trigger ARP Miss messages, the device generates temporary ARP entries and sends ARP Request packets to the destination network segment.
When a temporary ARP entry is not aged out:
Before receiving an ARP Reply packet, the device discards the IP packets matching the temporary ARP entry, and no ARP Miss message is triggered.
After receiving the ARP Reply packet, the device generates a correct ARP entry to replace the temporary entry.
After the temporary ARP entry ages out, the device deletes this entry..
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gabo.lr MVE Created Feb 10, 2020 17:57:43 Helpful(1) Helpful(1)

@umaryaqub @wissal Thanks for the answers!!
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umaryaqub Created Feb 11, 2020 05:50:59
you are welcome  
Telecommunications%20and%20Electronics%20Engineer%2C%20with%208%20years%20of%20experience%20working%20with%20Huawei%20equipment.
NACA4412 Created Feb 10, 2020 17:58:25 Helpful(0) Helpful(0)

I think it's because is a temporary
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lucian2003
lucian2003 MVE Created Feb 17, 2020 00:41:14 Helpful(1) Helpful(1)

Posted by umaryaqub at 2020-02-10 04:03 If the value of MAC ADDRESS in an ARP entry is Incomplete, this ARP entry is a temporary one. When I ...
Good answer
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umaryaqub Created Feb 17, 2020 07:53:18
Thanks  
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