subrate SFP?

[charles-lists at knownelement.com (Charles N Wyble)]

On hp proliant gen8 servers with management and ilo on same port, with the server off the ports show up as 100mbps. 

Jimmy Hess <mysidia at gmail.com> wrote:
>On Fri, Aug 30, 2013 at 6:42 AM, Jamie Bowden <jamie at photon.com> wrote:
>
>> > From: Saku Ytti [mailto:saku at ytti.fi]
>> Considering that Dell and HP at least are shipping brand new hardware
>with
>> IPMI/BMC/iLO/whatever management ports that can only speak 100mbit
>when
>> every other Ethernet interface in the box at least gigabit, having a
>useful
>> way to talk to that port without having to keep separate switching
>hardware
>> around would be nice.  I'm not holding my breath, but you know, along
>with
>> a pony, this would be nice.
>>
>
>Eh?   That may have been the case a few years ago,  but  HP ILO4 and
>iDRAC7  specifically list  10/100/1000 even when using in  dedicated
>port
>mode.
>
>And even in prior versions,  you could have the port linking up at
>1Gbps,
>by operating the management in Shared port mode  (Sharing the
>management
>with the server's Eth0).
>
>I expect  over time: support for linking up at 10/100 will get rarer
>and
>much more expensive.
>
>
>The niche status a 10/100 media converter as an SFP  would have if
>produced
> is likely to mean it would retail at $2000+ per port device.
>
>
>It probably just makes more sense to go find an old obsolete  top of
>rack
>switch,  like a Cat3750  to get the small fraction of legacy copper
>ports
>required for  out of band network and server management, which:  by the
>way,   should be part of a separate switching infrastructure anyways,
>to
>increase the chance it stays operational and useful for
>troubleshooting, in
>the event the production network experiences outage or has other issues
>requiring diagnosis.
>
>
>
>> Jamie
>
>-- 
>-JH

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