FreeBSD 11.1 ixl(4) interface does not negotiate at 100 Mbit/s

[Slawa Olhovchenkov]

On Mon, Mar 19, 2018 at 03:53:03PM +0100, Patrick M. Hausen wrote:

> Hi all,
> 
> any ideas why a current RELENG_11_1 system with ixl(4)
> onboard interfaces might not negotiate with a switch that
> has only fast ethernet?
> 
> status: no carrier					on the host
> line protocol is down (notconnect)		on the switch
> 
> dmesg:
> https://imgur.com/9ri9is8

"Intel® Ethernet Controller X710/XXV710/XL710 Feature Support Matrix"
don't show support 100Mb link for any sw release for X710/XL710.

"Intel® Ethernet Connection X722 Feature Support Matrix" don't have
string "100"