DSL to highspeed internet problem

[Member semicynic]

I’ve happily been using 64-bit antiX-17.4 for several years with no problems except that recently 1.5 mbps DSL internet over POTS (plain old telephone system) is too slow for my wife to use for the zoom fitness classes that replaced in person group exercise.
When I realized that I could upgrade to fiber optic for slightly less money per month, I did. This required no longer being able to use my 802.11n modem/router (that could go up to 20 Mbps) for DSL over POTS. The upgrade included a new 802.11ax modem/router that has an IPv6 ID not just IPv4 as the old 1 used.
Prveiously I edited /etc/network/interfaces to set up static IP for the local network, and then “sudo ifconfig eth0 192.168.x.y” — no problems.
Using same setup with changes for gateway, DNS-search, DNS servers in /etc/network/interfaces, I could not get onto the internet. As a 1st workaround, I used dhclient -4 eth0 and this was successful but obviously I then lost static IP addresses.
Fumbling around, I tried ceni — no go; but /etc/resolv.conf looked strange. I tried again with dhclient -4 eth0 and looked at /etc/resolv.conf and found drastic differences.
dhclient-created file was several lines longer. CENI–created file only had 2 non-comment lines, dns nameservers and dns-search, but no gateway I saved the dhclient-created file as “resolv.config.keep”.
My new workaround for static IP wired is the following:

sudo ceni
sudo cp resolv.conf.keep /etc/resolv.conf
sudo ifconfig

I think of this as workaround because it doesn’t carry over after logout. ifconfig shows the IPv6 if I do it wondering why I no longer have net. I have to use workaround when I log in again after shutdown, logout, etc.

Does anyone know what I did wrong, how to improve, or does using IPv6 equipment necessitate learning new requirements?
Or maybe ceni doesn’t work well with IPv6?
Or maybe ISP has it set up that way?

Thanks for any help.

[Moderator BobC]

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I’m not going to be much help with your question, but I would suggest first to plug it into the router and boot fresh from your antiX 17.4 flash drive (or cd etc) and see if it connects easily when booted that way. If it does, then you know the problem is in your configuration, not the programs or hardware. I’m sorry, if I ever knew how to correctly do it from scratch, I’ve forgotten, and just use Ceni.

If that doesn’t get you solved, to help, people will want to know what brand and model of router you have and what ISP it is, and what hardware you have, computer wise, so run this from a terminal and post the listing:
inxi -Fxz

[Member semicynic]

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Thank you BobC.

Replying to my own post with solution to static IPv4 problem in case anyone is interested

I thought that problem was with ceni but it appears that I was incorrect. Putting ” gateway, DNS-search, DNS servers”, etc. into config for wicd, I no longer have to use work around. Browser no longer gives message about not connecting to internet but works as expected!
a happy semicynic

[Moderator BobC]

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Yeah, that kind of thing is easier than it once was where we needed static ip’s etc

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