Date: Mon, 09 Jul 2001 13:09:24 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Kenneth Wayne Culver <culverk@wam.umd.edu> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: more on latency Message-ID: <3B4A0F74.672D7B27@mindspring.com> References: <Pine.GSO.4.21.0107091320270.11885-100000@rac1.wam.umd.edu>
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Kenneth Wayne Culver wrote: > > I think I found the reason that my FreeBSD box is performing > so poorly as a NATing router. When I do an ipnat -l to see > what "active connections" are there on the router, a list > about 3 pages long (using ipnat -l | more) appears. I think > maybe it's having trouble because for every packet coming in > and out of the router, it's got to look at that list of > active connections for the right one to send to and from. Is > there any way to make connections that aren't being used go > away from the NAT faster? Thanks a lot. Don't run unnecessary daemons. The pcb lookups are a linear traversal, as well, and for a large number of connections, the calllout wheel for timers sucks. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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