<div dir="ltr">But no luck. For some reason after a wile autoneg turns on, I do not understand why. Then it turns off thanx to the script, but the link flaps. :(</div><br><div class="gmail_quote"><div dir="ltr">ср, 28 окт. 2015 г. в 11:30, Kseniya Blashchuk <<a href="mailto:ksyblast@gmail.com">ksyblast@gmail.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">No, adding DEVICE line didnt help, still using a script in disptcher.d<br><br><div class="gmail_quote"><div dir="ltr">ср, 28 окт. 2015 г. в 11:05, Kseniya Blashchuk <<a href="mailto:ksyblast@gmail.com" target="_blank">ksyblast@gmail.com</a>>:<br></div></div></div><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thank you, Rick. <div>1) Of course the first thing i did was replacing the cabling, plugging into another port and even into another switch.</div><div>2) I put a script changing autoneg in /etc/NetworkManager/dispatcher.d/. But I'll try what you adviced and have a look. </div><br><div class="gmail_quote"><div dir="ltr">вт, 27 окт. 2015 г. в 20:08, Rick Stevens <<a href="mailto:ricks@alldigital.com" target="_blank">ricks@alldigital.com</a>>:<br></div></div></div><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 10/27/2015 05:08 AM, Kseniya Blashchuk wrote:<br>
> Now something strange happens - auto negotiation automatically turns on<br>
> after a while. Cannot distinguish what changes this value. I<br>
> added ETHTOOL_OPTS="autoneg off speed 100 duplex full" to the<br>
> ifcfg-Wired_connection_1 config. But seems it doesn't work.<br>
> Am I doing something wrong?<br>
<br>
I haven't had to chase this in a long time, but I see two possible<br>
issues:<br>
<br>
1) Replace your network cable. Gigabit does put more "strain" on the<br>
cable and if it's flaky (the cable itself or, more likely, the<br>
connectors), you could have issues--especially if it's solid at 100Mbps<br>
but not at 1000Mbps. I've had that issue many times in the past.<br>
<br>
2) I had always put the options in the modprobe.d/whatever.conf file so<br>
it was tied to the driver regardless of which network device the kernel<br>
decided to call it (what an absolutely idiotic concept to rename the<br>
devices at boot).<br>
<br>
I've never put ETHTOOL_OPTS in a network-scripts/ifcfg-XXX file. Having<br>
said that, I took a quick look at the scripts and it appears that<br>
invoking ethtool is dependent on the presence of a "DEVICE=" line in<br>
that file (well, really on the value of "${REALDEVICE}"). If you don't<br>
have that line, then ethtool isn't called with the "-s" flag to set<br>
parameters as it doesn't know which physical device to apply them to.<br>
<br>
Try buggering the ifcfg-Wired_connection_1 file and insert a<br>
<br>
DEVICE=enp2s0<br>
<br>
line and try it again. This is just a guess, mind you.<br>
<br>
> вт, 27 окт. 2015 г. в 10:34, Joe Zeff <<a href="mailto:joe@zeff.us" target="_blank">joe@zeff.us</a> <mailto:<a href="mailto:joe@zeff.us" target="_blank">joe@zeff.us</a>>>:<br>
><br>
> On 10/27/2015 12:27 AM, Kseniya Blashchuk wrote:<br>
> > BTW, I thought maybe its not a driver but a NIC issue and some of the<br>
> > pins dont work properly. Maybe anybody knows how to check if all NIC<br>
> > pins are working?<br>
><br>
> I have a friend who does all of my hardware work once it gets past the<br>
> card swapping phase. (That I can do myself.) Some of his wire-wrap<br>
> work is heading out of the Solar System, and he doesn't even try to<br>
> troubleshoot things like that; he just replaces the card if possible.<br>
> However, as the card works fine at 100 Mbps but not at 1000, I doubt<br>
> that it's hardware.<br>
> --<br>
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<br>
--<br>
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</blockquote></div></div></div></blockquote></div></div></div></blockquote></div>