After the latest round of updates, I am unable to reach systems in my LAN. I can reach the Internet, though. This system can run Windows via Dual Boot and when I boot into Windows, I am able to ping the other systems. I am not sure where to begin with this troubleshooting. Thoughts? Thank you for your help with this.
$ ping pi3b
PING pi3b (192.168.247.100) 56(84) bytes of data.
From foo.lan (192.168.247.155) icmp_seq=1 Destination Host Unreachable
ping: sendmsg: No route to host
From foo.lan (192.168.247.155) icmp_seq=2 Destination Host Unreachable
From foo.lan (192.168.247.155) icmp_seq=3 Destination Host Unreachable
^C
--- pi3b ping statistics ---
6 packets transmitted, 0 received, +3 errors, 100% packet loss, time 5077ms
pipe 3
Greetings. I think this issue is largely subsided for me now. I think some change from the TW update confused both my Wi-Fi mesh AP and its upstream firewall+router appliance. Layered reboots have restored about 90% of the connections (and rising). I am not sure what changed and why it mattered. I’m going to close this issue and if I cannot get to 100%, then I’ll open up a new forum post focused on the specific use case I can’t get to work.
In case others hit this issue, it is worth noting that the IP addresses were all correct (it received the correct information from the router).
The output from ip a looked correct.
I am not sure how to check the routing table (so if there’s any guidance there for the future, then please let me know).
I am not sure if there were changes to the TW firewall (I’m not an expert with firewall-cmd), so all I knew to do there was check for what was open and use that (e.g., firewall-cmd --list-services producing dhcpv6-client ssh and then I use SSH to connect elsewhere (which exhibited the same issues as the ping above).