On Fri, Nov 18, 2011 at 4:01 AM, Sam Vaughan <samvaug...@surgeonline.com> wrote: > On 18/11/2011, at 12:59 PM, Sam Vaughan wrote: > >> Hi, >> >> After upgrading from OpenBSD 4.9 to OpenBSD 5.0, the "Intel 82579LM" and > "Intel PRO/1000 MT (82574L)" devices on one of my servers no longer come up. > > <facepalm> > > If I'd bothered to compare those two dmesg outputs more closely I'd have > noticed that OpenBSD 5.0 is simply enumerating the two interfaces in the > opposite order. What was em0 in 4.9 is now em1 in 5.0 and vice versa. Simply > swapping the cable to the other port and _not_ moving the settings in ifconfig > to em1 fixes the problem. Sorry for the noise. > > By the way, is there any reason why I should prefer the 82579LM to the 82574L > or vice versa? > > Thanks, > > Sam > >
there's no reason you should consider either of them for any serious task as both of them are desktop low performance versions. 82576EB is known to be a very good one for routing workloads. http://www.intel.com/content/dam/doc/brochure/ethernet-controllers-phys-broch ure.pdf
