Emil,
This is the output:
ethtool eth3
Settings for eth3:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: No
Advertised link modes: 10000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: 10000Mb/s
Duplex: Full
Port: Direct Attach Copper
PHYAD: 0
Transceiver: external
Auto-negotiation: off
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
On Thu, Sep 15, 2016 at 9:41 PM, Tantilov, Emil S
<emil.s.tanti...@intel.com> wrote:
>>-----Original Message-----
>>From: Kevin Wilson [mailto:wkev...@gmail.com]
>>Sent: Thursday, September 15, 2016 11:18 AM
>>To: e1000-devel@lists.sourceforge.net
>>Subject: [E1000-devel] Setting speed of ixgbe to be 1000
>>
>>Hello,
>>I have an IXGBE connected by a direct attach cable to a 3com 1GB switch
>>port.
>>I try to set the speed to be 1000 in the following ways, and fail in
>>all of them.
>>
>>Any ideas how can I achieve this ?
>>
>>ethtool -s eth3 speed 1000 duplex full autoneg off
>>Cannot set new settings: Invalid argument
>> not setting speed
>> not setting duplex
>> not setting autoneg
>>
>>Also ethtool -s eth3 speed 1000 gave an error;
>>
>> ethtool -s eth3 speed 1000
>>Cannot set new settings: Invalid argument
>> not setting speed
>>
>>
>>ethtool -s eth3 advertise 0x020
>>Cannot set new settings: Invalid argument
>
> Can you provide the output of `ethtool eth3`?
>
> The driver will not allow setting speed that is not supported by the
> interface.
>
> Thanks,
> Emil
>
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