ahood at au1.ibm.com
Mon Feb 18 00:58:24 UTC 2008
David W. Hankins wrote on 16/02/2008 06:10:46 AM:
> On Thu, Feb 14, 2008 at 03:39:50PM -0500, Frank Sweetser wrote:
> > The *simplest* (not necessarily best, especially in all circumstances -
> > the simplest) solution is to flat out avoid requiring DHCP on a small
> > of core servers that must be brought up to provide essential services
> > authentication, DNS, etc).
> Yes, precisely. It is also simplest to flat out avoid requiring
> ethernet autonegotiation on a small number of core servers and all
> inter-switch links that must be brought up to provide essential
(because it's too hard to find a copy of the IEEE spec):
According to the IEEE 802.3z specification, gigabit speeds of any duplexity
must be autonegotiated for copper (TX)-based adapters.
AIX 5.3 and gigabit ethernet causes us no end of grief because local
network policy says all switches must be set to fixed speeds, and the
drivers follow the IEEE spec, so can not be configured 1000/Full.
Andrew J Hood
RIP: Robert Jordan (James Oliver Rigney, Jr.) (Oct 17, 1948 – Sep 16, 2007)
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