Date: Tue, 03 Jul 2001 08:56:44 -0700 From: Julian Elischer <julian@elischer.org> To: Bryan Fullerton <bjf@samurai.com> Cc: net@freebsd.org Subject: Re: PPPoE latency Message-ID: <3B41EB3C.EF185F3F@elischer.org> References: <f05101003b766f52ce823@[192.168.1.34]>
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Bryan Fullerton wrote: > > Howdy, > > I've been wondering why the latency is higher in FreeBSD's PPPoE > implementation. From what I've seen, ping times via my gateway box > are significantly higher than what friends are seeing with dedicated > router boxes (ie Linksys) on the same DSL provider. > > Here's what I'm seeing to the other end of my connection, no other > meaningful traffic going on: > > --- 65.92.109.1 ping statistics --- > 100 packets transmitted, 100 packets received, 0% packet loss > round-trip min/avg/max/stddev = 53.982/65.063/102.373/7.478 ms > > Here's a ping on my friend's machine (Mac ping, sorry for lack of precision): > > Packets out/in/bad/%loss = 64/64/0/0.0 > Round Trip Time (ms) min/avg/max = 14/24/59 > > My box should be fine cpu-wise, it's a Celeron/300, and isn't doing > anything else. The card PPPoE is running over is an ISA 10BaseT > D-Link card using the ed(4) driver, if that makes any difference. I > track STABLE with this box, it's currently at: > > FreeBSD katana.apt.samurai.com 4.3-STABLE FreeBSD 4.3-STABLE #13: Sun > Jun 24 01:43:39 EDT 2001 > > Any thoughts? I can live with this, the connection is rock solid and > has been for over a year now, just curious as to why. Apologies if > this has come up before, I searched the list archives and the bug > list. you may be a good test case for us.. we have heard of this negraph latency for a while but have never had a good test case.. if I send you test code can you run it for me? > > Thanks, > > Bryan > -- > Bryan Fullerton http://bryanfullerton.com/ > Core Competence uunet.ca!gts!cspace!bjf > Samurai Consulting > Can you feel the Ohmu call? > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message -- +------------------------------------+ ______ _ __ | __--_|\ Julian Elischer | \ U \/ / hard at work in | / \ julian@elischer.org +------>x USA \ a very strange | ( OZ ) \___ ___ | country ! +- X_.---._/ presently in San Francisco \_/ \\ v To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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