[c-nsp] IOS 12.2(33)SRB2 clear arp-table

[Andrey O.Sokolov]

На Fri, 7 Mar 2008 10:40:07 -0500
Jeff Fitzwater <jfitz at Princeton.EDU> записано:

> There are two things that the router does with its arp table...
> 1 It clears each hosts arp entry at some age interval, which can be  
> changed.
> 2 It periodically updates its arp-cache by sending out a unicast arp  
> for each arp entry it has.
> 
> The periodic refresh might be what you are seeing.
> 
> 
> Without more details that's all I know.
> 
> >
> >    I have cisco7606 with sup32, IOS 12.2(33)SRB2, c7600s3223_rp- 
> > ADVIPSERVICESK9-M
> >
> >    Periodically (sometimes time some minutes) spontaneously cleared  
> > arp-table on this device, and I have
> >    big broadcast flow on my network.
> >
> >    What is this?
> >    Could someone help me solve this problem?

    Intervals are very-very different.
    From some minutes to some hours.
    And my device in at case sending out near 300 arp who-has inquiry per some milliseconds.

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