On 1/31/2020 9:57 PM, Dennis Wicks wrote: > Michael Stone wrote on 1/31/20 2:00 PM: >> On Fri, Jan 31, 2020 at 11:27:06AM -0600, Dennis Wicks wrote: >>> john doe wrote on 1/31/20 1:00 AM: >>>> On 1/31/2020 2:48 AM, Dennis Wicks wrote: >>>>> I am running Debian Buster 10, upgrade within the past week. >>>>> >>>>> I tried to change my e-net to use dhcp, which I thought it was but it >>>> >>>> How did you try to change your e-net to use dhcp? >>>> >>>>> wasn't picking up all the info from the DHCP server, specifically >>>>> the IP >>>>> addr. Now it doesn't work at all. How can I run through the setup/init >>>>> process that it went through at install to get back at least a working >>>>> communications port. >>>>> >>>> >>>> I would say, revert the change(s)that you have done. >>>> >>>> -- >>>> John Doe >>>> >>>> >>>> >>> I have tried that to no avail. There are two possibilities: >>> >>> (1) I don't remember exactly what was there before >>> (2) One of the two network management programs that are running >>> changed something that I don't know about. >>> >>> In my Notification Area there are two programs that seem to be >>> controlling the interfaces, and perhaps causing my problems. They are >>> Network Manager Applet and WICD Network Manager. >> >> Do you remember which one you used? Both can be used, but if you try >> to use both at the same time you'll have problems. I'd suggest >> uninstalling one of them, or at the very least make sure that they >> aren't both trying to control the same interface. Neither will modify >> /etc/network/interfaces, so just ignore that. >> >> > Michael, thanks for that tip. I got rid of both network managers and > setup the port in /etc/network/interfaces and that works -- sometimes. > > If I try to use IP address reservation in my dhcp server ifup will not > work. I get this: > - - - - - >> root@ichiban:~# ifup enp3s0 >> Internet Systems Consortium DHCP Client 4.4.1 >> Copyright 2004-2018 Internet Systems Consortium. >> All rights reserved. >> For info, please visit https://www.isc.org/software/dhcp/ >> >> Listening on LPF/enp3s0/10:7b:44:50:39:8b >> Sending on LPF/enp3s0/10:7b:44:50:39:8b >> Sending on Socket/fallback >> DHCPDISCOVER on enp3s0 to 255.255.255.255 port 67 interval 8 >> DHCPDISCOVER on enp3s0 to 255.255.255.255 port 67 interval 7 >> DHCPOFFER of 192.168.1.2 from 192.168.254.254 >> DHCPREQUEST for 192.168.1.2 on enp3s0 to 255.255.255.255 port 67 >> DHCPNAK from 192.168.254.254 >> DHCPDISCOVER on enp3s0 to 255.255.255.255 port 67 interval 6 >> DHCPOFFER of 192.168.1.2 from 192.168.254.254 >> DHCPREQUEST for 192.168.1.2 on enp3s0 to 255.255.255.255 port 67 >> DHCPNAK from 192.168.254.254 > - - - - - <repeat ad infinitum> > If I remove IP address reservation ifup works and I get the following: > - - - - - >> root@ichiban:~# ifup enp3s0 >> Internet Systems Consortium DHCP Client 4.4.1 >> Copyright 2004-2018 Internet Systems Consortium. >> All rights reserved. >> For info, please visit https://www.isc.org/software/dhcp/ >> >> Listening on LPF/enp3s0/10:7b:44:50:39:8b >> Sending on LPF/enp3s0/10:7b:44:50:39:8b >> Sending on Socket/fallback >> DHCPDISCOVER on enp3s0 to 255.255.255.255 port 67 interval 7 >> DHCPOFFER of 192.168.34.220 from 192.168.254.254 >> DHCPREQUEST for 192.168.34.220 on enp3s0 to 255.255.255.255 port 67 >> DHCPACK of 192.168.34.220 from 192.168.254.254 >> bound to 192.168.34.220 -- renewal in 6833 seconds. >> root@ichiban:~# > - - - - - > This machine is running Buster 10 64 bit, I have a machine that is > running Buster 10 32 bit that works fine with Network Manager Applet > 1.8.22. This machine (64 bit) had 1.8.20 and it did not work. Just > looped continuously until I deleted the address reservation from the > dhcp server. When I run ifup it does the same thing so the problem must > be buried deeper somewhere. > > Thanks for all the help and suggestions! > Dennis >
One thing, let the network manager to enable/disable the interface if you want the CLI use CLI for the network manager that you use. That would be 'nmcli' for NetworkManager. -- John Doe
