First, the last question - yes, someone decided it was better to not have eth0 any more, so now they are those weird enp4s1 names.
It’s ok once you get used to it, I guess, but it’s a small pain getting used to. (There are things you can do to make it go back to eth0, but that may cause more issues than just living with it). My first thought was - does he have a 100MBs port in there somewhere. E.g. someone installed a 10/100 switch or hub between your computer and your Comcast DSL (I assume) line - and that includes the modem. (I had mine increased over 100 a while back, but only got 100 until I got a new modem that wasn’t 10/100! … oops) There are ways in Linux to force the speed lower, but that’s unlikely to be your issue. Did someone come in to the house and add a hub so they can capture all your traffic? (Yes, that’s somewhat on the paranoid side, but it WOULD explain the sudden 100MBs limit) From: PLUG-discuss [mailto:plug-discuss-boun...@lists.phxlinux.org] On Behalf Of Jim Sent: Wednesday, September 05, 2018 1:13 PM To: plug-discuss@lists.phxlinux.org Subject: networking question Back in June comcast raised my connection speed to 150Mbps. Two weeks ago it went back down to 100. I called to complain and was told I was supposed to be getting 100Mbps. I finally got someone to admit that my connection speed should be 150, but I'm still getting 100. I didn't make any changes to the network, but something could have gotten changed. Is there anything i can look in network settings to determine if something could be tweaked for a faster connection? I have an Arris SB6141 modem and an ASUS RT-ACRH13 gigabit router. The modem (SB6141) supports speeds up to 343Mbps down. KDE's network manager shows the MTU setting is set to Automatic and the box is checked to allow auto negotiation. I did install Kubuntu 18 after the increase to 150Mbps. The speed did not drop until a month or so after Kubuntu 18 was installed. Since the installation, the ethernet connection is no longer called eth0. Now it's called enp4s1. Is that some new way of naming network devices? I don't really care what it calls the parts as long as they work. I can still use netwatch, but I have to give it the enp4s1 string as it expects eth0 unless told differently.
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