From: Pascal Hambourg on
Rahul a �crit :
>
>> Of course : just check directly the contents of the ARP cache.
>
> Thanks Pascal! I did dump it with the arp command.

You can do it with the command "ip neigh" too, or by reading directly in
/proc/net/arp.

> But how do I correlate
> this with if or not I need to increase the size of the cache? I find the
> lenght of the output variable depending on which machine I execute this
> command on.

Compare the output length with the cache size.