Date: Wed, 30 Aug 2006 17:05:10 -0400 From: Stephen Clark <Stephen.Clark@seclark.us> To: freebsd-net@freebsd.org Subject: Re: Tee packets Message-ID: <44F5FD86.9010101@seclark.us> In-Reply-To: <44F5E1A9.2010605@quip.cz> References: <44F5A6C3.30705@seclark.us> <44F5E1A9.2010605@quip.cz>
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Miroslav Lachman wrote: >Stephen Clark wrote: > > > >>Hello List, >> >>We have a monitoring app that receives udp packets from units in the >>field. We are in >>the process of increasing the number of units we have reporting and are >>seeing some >>performance issues with our current hardware. I would like be able to >>somehow route a >>copy of each packet to another machine so I can test out different >>hardware configurations >>to see how performance is affected. >> >>Any ideas on the best way to do this? >> >> > >If you are using PF as your firewall, you can use dup-to (man pf.conf) > >"The dup-to option creates a duplicate of the packet and routes it >like route-to. The original packet gets routed as it normally would." > >Miroslav Lachman >_______________________________________________ >freebsd-net@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-net >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > > Thanks for the response - I am not using pf - this on freebsd 4.10. I did solve the problem by using ipfw - tee option and wrote a quickie userspace app to change the destination address. -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)
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