Hi and thanks for reading this. My home server is a Gigabyte BXi3H 4010, their version of a NUC. and the original 22.04 LTS install was a Kubuntu desktop which I have run for a few years, predominantly in multi user mode; in September I upgraded to 24.04 LTS and, after ironing out a couple of network kinks introduced into the yaml files, it seems to have been running fine until very recently.
When I logged in to the home server to check for updates I couldn’t get a connection. Initial help searches showed that DNS and resolv.conf was a problem for some after the 22.04 > 24.04 upgrade but a) the upgrade was months ago and b) in my case ping (any WAN ip) has 100% loss. No other client on my home network has a ping problem. Here are my diagnosis & problem solving steps so far:
- ping 192.168.5.254 (or any 192.168.5.x LAN IP) – success
- ping 8.8.8.8 - (or any WAN IP) 100% loss
- Firewall ufw is off
- Routing table looks ok for gateway at 192.168.5.254:
(Neither docker nor Wireguard are currently being put to use but are installed.)
-
IP route is consistent with network gateway and home server ip addresses:
-
Both resolve.conf and stub-resolve.conf contain this, which looks ok as my DNS server is a pihole on the home server ethernet interface (192.168.5.252) :
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Check ssh into enp3so and wlp2so
Both work. -
Check internet ping from both network interfaces explicitly (ping -I 192.168.5.2xx 8.8.8.8)
Both show the same problem with 100% loss -
Check gateway ping from both interfaces ( ping -I 192.168.5.2xx 192.168.5.254)
Both good -
Run out of ideas so fired up the network trouble shooting script and came here hoping for help; the wireless-info script output is here - Ubuntu Pastebin
