A Splitter

[Brooks Davis]

On Mon, Aug 16, 2004 at 12:04:53PM +0530, Sudheer Vutukuru wrote:
> Hi  all,
> 
> i want to configure a freebsd machine to act like splitter
> 
> what i mean by splitter is we want to split the traffic based on a
> hash function in to two/three streams. our setup is like this we will
> keep 3 gigabit ethernet cards in one machine and we will be getting
> traffic on one line we need to split the traffic and send them in two
> lines.
> 
> for this can i write a module in freebsd that should do this, the
> important point is i need to handle gigabit traffic. is there another
> way to do this.

It should be fairly easy to write a netgraph module to do this.  I
suspect it will be very hard to forward a fully gigabit link worth of
packets in this manner unless they are all fairly large and you have
very good hardware, but you certaintly should be able to produce
signifcant results.  You're best bet is probably 5-CURRENT on a high
performance SMP system with 3 PCI-X busses.  An Opteron system will
probably have the best performance.

-- Brooks

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