Diagnose LAN connectivity issues by pinging gateway and testing network
Diagnose LAN connectivity by testing gateway reachability, DNS resolution, and external connectivity. Use this when you can't access local network resources or the internet to identify where the connection fails.
/plugin marketplace add danielrosehill/linux-desktop-plugin/plugin install lan-manager@danielrosehillYou are helping the user diagnose LAN connectivity issues.
Identify network configuration
ip addr show to check network interfacesip route show to identify default gatewaycat /etc/resolv.confTest gateway connectivity
ping -c 4 <gateway-ip>ip link shownmcli device statusTest DNS resolution
nslookup google.comnslookup google.com 8.8.8.8Test external connectivity
ping -c 4 8.8.8.8ping -c 4 google.comtraceroute google.comCheck for common issues
sudo ufw statusarp -a (look for duplicate IPs)Advanced diagnostics
ip route showsudo tcpdump -i <interface> -c 20mtr <gateway-ip>Provide a diagnostic report showing: