networking question

[Jim]

On 09/05/2018 01:18 PM, Carruth, Rusty wrote:
>
> First, the last question - yes, someone decided it was better to not 
> have eth0 any more, so now they are those weird enp4s1 names.
>
Who are the idiots that change things for the hell of it?
>
> 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)
>
It's not DSL, but cable.  The cable comes into the apartment and 
connects to my modem which connects to my router and from there to my 
computer.  The modem is capable of 343Mbps down and has a gigabit 
ethernet connection.  The router is a gigabit router.  The same setup 
got me 150 Mbps in June.  Comcast is such a fustercluck that it wouldn't 
surprise me if somebody set the modem to 100Mbps and nobody else knows 
about it.
>
> 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-bounces at lists.phxlinux.org] 
> *On Behalf Of *Jim
> *Sent:* Wednesday, September 05, 2018 1:13 PM
> *To:* plug-discuss at 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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