Date: Sat, 20 Aug 2005 19:29:57 +0200 From: Andre Oppermann <andre@freebsd.org> To: Christian Vogt <chvogt@tm.uka.de> Cc: freebsd-net@freebsd.org, TM-RO2 <tm-ro2@tm.uka.de> Subject: Re: Deactivate TCP Hostcache? Message-ID: <43076895.7C238E6E@freebsd.org> References: <4307628A.9050102@tm.uka.de>
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Christian Vogt wrote: > > Hi everybody, > > is there a way to deactivate the TCP hostcache? > > I could modify the kernel, but probably there is a more convenient way > to do this. No, there is no other way. > The reason I want to deactivate the hostcache is because I am doing > experiments and later measurements should not be different than earlier > ones due to cached information. Comment out the tcp_hc_update() call on line 737 in netinet/tcp_subr.c and it won't cache metrics anymore. The discovered path MTU is still stored though. -- Andre
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