Re: subrate SFP?

[Nick B <nick () pelagiris org>]

Ah, I needed *another* reason to murder WOL in it's sleep.  Thanks!
Nick


On Sat, Aug 31, 2013 at 3:38 PM, Joel Jaeggli <joelja () bogus com> wrote:

> WOL uses 100Mb/s, the phy draws less that way.
>
> Sent from my iPhone
>
> On Aug 31, 2013, at 10:13, Charles N Wyble <charles-lists () knownelement com>
> wrote:
>
> > 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 () gmail com> wrote:
> > > On Fri, Aug 30, 2013 at 6:42 AM, Jamie Bowden <jamie () photon com> wrote:
> > >
> > > > > From: Saku Ytti [mailto:saku () 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
> >
> > --
> > Sent from my Android device with K-9 Mail. Please excuse my brevity.