On 10/26/16 05:22 PM, Dale Ghent wrote:
The 10Gb spec is autonegotiation only. You can limit the speeds a side will negotiate
with, but there is no "turning it off" completely and nailing a speed as one
could with older, slower ethernet protocols.
Have you verified that the Cisco switch is free and clear of any configuration
which may impede natural autonegotiation? It could also be a cable issue; or even
a card issue - since you have a -AT2 card, try the other socket as well as a
verified working cat6a cabe (or cat6 if < 30 meters) to see if the situation is
different.
Hi.
I see the same behavior on all ports (3 Ethernet server ports connected
to 3 cisco ports) with several cables cat. 6e (which work at 10G when I
connect it server-to-server or cisco-to-cisco).
Cisco Nexus port is just:
interface Ethernet100/1/9
(no configuration)
Well, I've booted Debian USB there, the same issue...
Perhaps, really should try patch from another series.
--
Best regards,
Alexander Pyhalov,
system administrator of Southern Federal University IT department
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