Date: Fri, 31 Aug 2007 14:43:37 -0700 From: Chuck Swiger <cswiger@mac.com> To: deeptech71@gmail.com Cc: freebsd-questions@freebsd.org Subject: Re: dummynet lag Message-ID: <22F471F5-CDA5-4FB8-98DB-C700BF4D8099@mac.com> In-Reply-To: <46D818E3.2090406@gmail.com> References: <46D818E3.2090406@gmail.com>
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On Aug 31, 2007, at 6:34 AM, deeptech71@gmail.com wrote: > Is it normal to have +10msec ping times when pinging through > dummynet (ipfw pipes)? If yes, why? If not, WTF? If your HZ is 100, then, yes, it's common for the packets to be delayed by 10+ msec. Set HZ to 1000 or higher and you'll have the latency drop to circa 1 ms. -- -Chuck
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