[SDBUG] Re: Read CRC errors from NIC using BSD

Bill Studenmund wrstuden at netbsd.org
Thu Jun 23 09:09:37 PDT 2005


On Thu, Jun 23, 2005 at 12:04:24AM -0400, Peter Leftwich wrote:
> On Wed, 22 Jun 2005, Brian wrote:
> >J. Cordaro wrote:
> >>Hey Guys, I was wondering if there was a standard way to poll or
> >>count the number of CRC errors at the PHY level of a NIC card or GLOM?
> >>-Jay
> 
> They don't get "logged" in dmesg?

No. They can happen very quickly on a bad net, and networks are designed 
to deal with lost packets. Also, it could turn into a denial of service, 
as all I have to do is send you bad packets and you spend all your time 
logging that fact.

Take care,

Bill
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