Date: Tue, 27 Jul 2010 07:01:40 -0700 From: Chuck Swiger <cswiger@mac.com> To: Lev Serebryakov <lev@FreeBSD.org> Cc: freebsd-net@FreeBSD.org Subject: Re: does if_vr export true packet error statistics? Message-ID: <AB9C26A6-21B9-4598-A4BE-84AA0C9E927E@mac.com> In-Reply-To: <5610530046.20100727091422@serebryakov.spb.ru> References: <5610530046.20100727091422@serebryakov.spb.ru>
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Hi, Lev--
On Jul 26, 2010, at 10:14 PM, Lev Serebryakov wrote:
> I have huge losses ("netstat -s -p tcp" shows 4% of packets, but
> 35% of bytes are retransmitted) on my intenret connection, which is PPPoE over
> 100Mbit ehternet link.
This description means larger packets are having problems. Have you adjusted MTU and MRU down to 1492 (or possibly smaller like 1488 or 1480) since PPPoE is in use?
An MTU-aware traceroute or something like http://www.dslreports.com/tweak might be informative.
Regards,
--
-Chuck
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