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.me...@gmail.com
profissional: ddm.farmac...@saude.gov.br
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