On Mon, Oct 10, 2016 at 9:33 PM, John R Pierce <pierce@xxxxxxxxxxxx> wrote:
>
> I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 ports are plugged in with 10' runs of brand new cat 5e cable to a Cisco Nexxus 9000 switch (provided by the data center).
>
> These servers keep coming up at 100baseT rather than gigE. I've swapped ports and cables with a different server, that server gets gigE but these supermicro's are stuck at 100baseT regardless of the port or cableused.
>
> 'ethtool eth0' says its gigE, but 'mii-tool -v eth0' says its 100baseT and doesn't even list gigE as an option, and the cisco switches see it as 100baseT too.
mii-tool doesn't support gigE. Maybe, they're not negotiating:
"ethtool -s eth0 autoneg on", you can renegotiate with "ethtool -r
eth0"
--
Marcelo
"¿No será acaso que esta vida moderna está teniendo más de moderna que de
vida?" (Mafalda)
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