[ECOS] free BDS stack arp table size

Andrew Lunn andrew@lunn.ch
Fri Apr 21 14:41:00 GMT 2006

On Fri, Apr 21, 2006 at 09:57:07AM -0400, Steve West wrote:
> How many connections will the free BSD stack handle? Will the arp table be 
> able to handle 1000 - 2000 connections? Or will the table need to increase? 
> Is this adjustable?

The FreeBSD stack should scale pritty well. It is FreeBSD after
all. There are no tables, it is all linked lists of allocated
memory. What you probably need to do is increase the size of the

You say arp table. So you are talking to 1000-2000 different hosts on
the same ethernet? Remember that any hosts behind a gateway share one
arp entry for the gateway itself.

Do you have 1000-2000 sockets, one of each connection? If so you will
need to increase the number of file descripts and socket handled int
he FILEIO package. 


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