[E1000-devel] 82599ES 10-Gigabit connected to 1G port

[Agnel V. <ag...@gm...>]

I have a 10G 82599ES intel card on Ubuntu 14.04.5 LTS , details below :

description: Ethernet interface

product: 82599ES 10-Gigabit SFI/SFP+ Network Connection

vendor: Intel Corporation

physical id: 0

bus info: pci@0000:86:00.0

logical name: eth8

version: 01

serial: 90:e2:ba:c8:52:1c

width: 64 bits

clock: 33MHz

capabilities: pm msi msix pciexpress bus_master cap_list rom ethernet
physical fibre

configuration: autonegotiation=off broadcast=yes driver=ixgbe
driverversion=3.15.1-k firmware=0x61b50001 latency=0 link=no multicast=yes

resources: irq:64 memory:fb180000-fb1fffff ioport:e020(size=32)
memory:fb204000-fb207fff memory:fb580000-fb5fffff memory:fb900000-fb9fffff
memory:fb80000



Other side is 1G port , i see link is not getting detected when cable is
connected

root@blrvbng03:~# ethtool eth9

Settings for eth9:

        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: Unknown!

        Duplex: Unknown! (255)

        Port: Other

        PHYAD: 0

        Transceiver: external

        Auto-negotiation: off

        Supports Wake-on: d

        Wake-on: d

        Current message level: 0x00000007 (7)

                               drv probe link

        Link detected: no

root@blrvbng03:~#



Try setting the speed to 1000 and auto negotiation also, but failing



root@blrvbng03:~# ethtool -s eth9 autoneg on

Cannot set new settings: Invalid argument

  not setting autoneg

root@blrvbng03:~#

root@blrvbng03:~# ethtool -s eth9 advertise 0x020

Cannot set new settings: Invalid argument

root@blrvbng03:~#

How i can resolve this issue ?

Thanks,

Agnel.