Will netmap-ipfw fwd?

[Luigi Rizzo]

Should work.
Please try the latest version from code.google.com/p/netmap-ipfw/

Cheers
Luigi

On Tuesday, September 30, 2014, Eduardo Meyer <dudu.meyer at gmail.com> wrote:

> I have a problem, where I need to fwd a high rate of pps, and I dont have
> enough CPU. It's around 900Kpps, so I would like to know if ipfw userland
> version with netmap support will do fwd?
>
> Here are my current rules:
>
> 00100 fwd 10.1.2.1 tag tcp from table(100) to any dst-port 80,1024-65535 in
> { via lagg0 or via vlan1010 }
>
> 00200 prob 0.500000 fwd 10.1.2.2 tcp from any 80,1024-65535 to table(100)
> in { via igb6 or via igb7 }
> 00300 fwd 10.1.2.3 tcp from any 80,1024-65535 to table(100) in { via igb6
> or via igb7 }
>
> With those rules, my CPU interrupt rate raises from 30% to 80%.
>
> If netmap/ipfw has the ability to fwd should I expect a better interrupt
> rate and lower load?
>
> Sorry to ask before actually trying but this is a production environment
> and I don't have enough room to test, I would like to read opinions before
> finding out a nightly window to do the changes and tests.
>
> Thank you.
>
> --
> ===========
> Eduardo Meyer
> pessoal: dudu.meyer at gmail.com <javascript:;>
> profissional: ddm.farmaciap at saude.gov.br <javascript:;>
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 Prof. Luigi RIZZO, rizzo at iet.unipi.it  . Dip. di Ing. dell'Informazione
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