Date: Wed, 6 Jul 2011 14:54:21 -0700 From: YongHyeon PYUN <pyunyh@gmail.com> To: David Christensen <davidch@broadcom.com> Cc: Charles Sprickman <spork@bway.net>, David Christensen <davidch@freebsd.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: bce packet loss Message-ID: <20110706215421.GC5559@michelle.cdnetworks.com> In-Reply-To: <5D267A3F22FD854F8F48B3D2B523819385C32D912B@IRVEXCHCCR01.corp.ad.broadcom.com> References: <alpine.OSX.2.00.1107042113000.2407@freemac> <20110706201509.GA5559@michelle.cdnetworks.com> <5D267A3F22FD854F8F48B3D2B523819385C32D9115@IRVEXCHCCR01.corp.ad.broadcom.com> <20110706214016.GB5559@michelle.cdnetworks.com> <5D267A3F22FD854F8F48B3D2B523819385C32D912B@IRVEXCHCCR01.corp.ad.broadcom.com>
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On Wed, Jul 06, 2011 at 02:47:24PM -0700, David Christensen wrote: > > > > Data sheet says IfHCInBadOctets indicates number of octets received > > > > on the interface, including framing characters for packets that > > > > were dropped in the MAC for any reason. > > > > > > The IfHcInBadOctets counter says the controller received X bytes > > > that were bad on the wire (collisions, FCS errors, etc.). A value > > > > I thought that too. But other counters such as FCS, FAE, Collisions, > > Jabbers were all zero. > > > > Also includes frames dropped due to an incorrect destination MAC > address (i.e. perfect MAC filter mismatch). This means the NIC Thanks, that explains it. :-) > received a unicast frame for a MAC address that doesn't match the > NIC's MAC address. Very common on a hub and occurs occasionally > on switches as well. > > Dave > >
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