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List:       cisco-nsp
Subject:    RE: [c-nsp] "IP ARP throttled out the ARP request"
From:       "Oliver Boehmer \(oboehmer\)" <oboehmer () cisco ! com>
Date:       2005-12-29 8:56:46
Message-ID: 70B7A1CCBFA5C649BD562B6D9F7ED7840167B3E4 () xmb-ams-333 ! emea ! cisco ! com
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Vincent De Keyzer <> wrote on Thursday, December 29, 2005 9:52 AM:

>>> When I try to ping an address I see in the CDP neighbour (it's the
>>> same VLAN), it shows in the ARP debug : "IP ARP throttled out the
>>> ARP request". 
>>> 
>>> Does anybody know what it means?
>> 
>> after sending a request, IOS will wait two seconds and print the
>> above message in the debug before it sends another ARP request for a
>> given destination.
> 
> So basically, it means that it did not receive any answer to the ARP
> request (and will hence send a new one)?

yes, exactly. You will see an "Incomplete" entry in your ARP cache, i.e.
the router has not been able to resolve this entry.

	oli

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