[CentOS] hosts fail to negotiate 1000Mbps speed

[Akop Pogosian]

Apparently the network connection between these two hosts works with
or without the cross-over adapter (which crosses two pairs of wires)
at 100Mbps. Forcing 1000Mbps with ethtool does not work. However, the
host with the Marvell Technology group ethernet adapter also has an
Intel EtherExpress 1000 adapter. So, I tried  connecting the cable to
it and it worked instantly. There is probably some interoperability
issue between Intel EE1000 and the Marvell adapter hardware and/or
software.


-akop