BTW, I thought maybe its not a driver but a NIC issue and some of the pins dont work properly. Maybe anybody knows how to check if all NIC pins are working?
вт, 27 окт. 2015 г. в 9:07, Kseniya Blashchuk <ksybl...@gmail.com>: > Tried setting just speed 1000 duplex full - no difference. > After that set speed 1000 duplex full on a switch side - link down O_o. > After changing to 100 everything is working. > Now set ETHTOOL_OPTS="autoneg off speed 100 duplex full" only on my side > (and auto on a switch - standard port config) > No flapping so far on 100Mbps. I think I will use this workaround, still > very strange why it doesn't work properly on 1000, I guess its a kernel > module problem or something like that. If anybody still has any suggestions > about 1Gbps - you are welcome :). > > пн, 26 окт. 2015 г. в 21:47, Rick Stevens <ri...@alldigital.com>: > >> On 10/26/2015 11:24 AM, Kseniya Blashchuk wrote: >> > I tried disabling autoneg, and it helped, but in this case dot1x auth >> > doesn't work for some reason, I didn't have time to troubleshoot why, >> > but there is no mac address on a switch port when dot1x is enabled. >> > But i didn't try setting speed 1000 duplex full on a switch side. I'll >> > try it tomorrow once again. >> >> Not sure what's on the end of your dot1x, but it may be part of the >> autonegotiation process to make that all work. You can leave autoneg >> on to get by that, but still set the speeds and such once its done. That >> may get squonked (new word) by future negotiations. Dunno. >> >> > On Mon, Oct 26, 2015, 9:14 PM Rick Stevens <ri...@alldigital.com >> > <mailto:ri...@alldigital.com>> wrote: >> > >> > On 10/26/2015 09:57 AM, Kseniya Blashchuk wrote: >> > > Hi everyone! >> > > I noticed in dmesg that my ethernet link is flapping all the time >> > > [Oct25 18:55] r8169 0000:02:00.0 enp2s0: link down >> > > [ +3.131667] r8169 0000:02:00.0 enp2s0: link up >> > > [Oct25 18:56] r8169 0000:02:00.0 enp2s0: link down >> > > [ +2.763688] r8169 0000:02:00.0 enp2s0: link up >> > > [Oct25 18:59] r8169 0000:02:00.0 enp2s0: link down >> > > [ +3.060069] r8169 0000:02:00.0 enp2s0: link up >> > > [Oct25 19:00] r8169 0000:02:00.0 enp2s0: link down >> > > [ +3.559610] r8169 0000:02:00.0 enp2s0: link up >> > > I changed the cabling, tried to plug into another switch no >> > difference. >> > > Any ideas will be very appreciated as this flapping brings a lot >> of >> > > inconvenience. >> > > My device in lspci: >> > > 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. >> > > RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev >> 10) >> > >> > Uhm, could be a kernel issue or a driver issue. Generally when I see >> > that sort of thing it's an auto speed or auto duplex negotiation >> between >> > the driver and switch that isn't working. You could try forcing the >> > speed and duplex via something like: >> > >> > sudo ethtool -s enp2s0 autoneg off duplex full speed 1000 >> > >> > to set a fixed 1Gbps, full duplex connection and see if that helps >> > stabilize things. If that works you could try to restart auto >> > renegotiation via >> > >> > sudo ethtool -s enp2s0 autoneg on >> > sudo ethtool -r enp2s0 >> > >> > The first comment re-enables autonegotiation, the second forces a >> > renegotiation. >> > >> ---------------------------------------------------------------------- >> > - Rick Stevens, Systems Engineer, AllDigital ri...@alldigital.com >> > <mailto:ri...@alldigital.com> - >> > - AIM/Skype: therps2 ICQ: 226437340 Yahoo: >> origrps2 - >> > - >> - >> > - Squawk! Pieces of Seven! Pieces of Seven! Parity Error! >> - >> > >> ---------------------------------------------------------------------- >> > -- >> > users mailing list >> > users@lists.fedoraproject.org <mailto:users@lists.fedoraproject.org >> > >> > To unsubscribe or change subscription options: >> > https://admin.fedoraproject.org/mailman/listinfo/users >> > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct >> > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines >> > Have a question? Ask away: http://ask.fedoraproject.org >> > >> > >> > >> >> >> -- >> ---------------------------------------------------------------------- >> - Rick Stevens, Systems Engineer, AllDigital ri...@alldigital.com - >> - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - >> - - >> - If you're not part of the solution, you're part of the precipitate - >> ---------------------------------------------------------------------- >> -- >> users mailing list >> users@lists.fedoraproject.org >> To unsubscribe or change subscription options: >> https://admin.fedoraproject.org/mailman/listinfo/users >> Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct >> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines >> Have a question? Ask away: http://ask.fedoraproject.org >> >
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