>-----Original Message----- >From: Agnel Varghese [mailto:agn8...@gmail.com] >Sent: Tuesday, February 28, 2017 9:44 PM >To: e1000-devel@lists.sourceforge.net >Subject: [E1000-devel] 82599ES 10-Gigabit connected to 1G port > >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
Hi Agnel, You can see in the output above that your interface does not support 1Gbps: > Supported link modes: 10000baseT/Full > Advertised link modes: 10000baseT/Full Which is why you are not able to connect at that speed. You need a multi-speed SFP+ module that supports 1Gbps. Thanks, Emil ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
