(Please always Cc netdev for networking related bugs.)
On Mon, Jan 22, 2018 at 2:02 AM, Turbo Fredriksson <tu...@bayour.com> wrote: > I just got a new broadband delivered at home. It is "Hyperoptic 1Gbps fiber" > which comes as a ethernet connector at home. I wasn’t around > when they connected up everything, so I’m not sure *where* the fiber starts, > but either way, I have an ethernet jack in one of my rooms. > > They also provided me with a ZTE router. I have need for my own services > (firewalling, NATing, IPSEC and what not), so don’t want to use > the provided router.. > > However, I’m having serious trouble keeping the interface up! Works for a few > minutes and then just “stops working”. Don’t know why, there’s > nothing in the logs or from dmesg.. > > Taking the interface down and then up again usually solves it. For a few > minutes. > > Also, when running the interface (a Intel 82576 Gigabit dual port, using the > igb driver - tried e1000 and e1000e but they don’t find any interfaces), > in 1Gbps mode, the interface starts flapping up and down and I can’t get a > connection at all. So my interface definition runs a script to use > ethtool to set the speed to 100Mbps, full duplex, no auto negotiation. Which > “kinda” works (for a while, hence my problems). > > Because the provided router works just fine, I’m sure it’s something on my > Linux box (Debian GNU/Linux Jessie) that does it.. I’ve tried running > it without any iptables, in both static and DHCP mode but same problem.. > > I’m not a complete beginner with Linux nor networks, but this is to “close to > the hardware” for me. I’m at a loss to what else to try.. > > This isn’t a new machine, it have served me very well for five years give or > take and I’ve never had any problems with it (not to say that it still > can’t be hardware problems, but I find that somewhat unlikely at the moment). > > > Could anyone please advice to what I can try to try to pinpoint the problem > (and/or possibly fix it)?
