21 Sept 2025HTML

2 System connected via ethernet but Internet not working

In case of my laptop have internet and computer doesn't

execute on laptop

sudo sysctl -w net.ipv4.ip_forward=1
sudo iptables -t nat -A POSTROUTING -o wlp22s0 -j MASQUERADE
sudo iptables -A FORWARD -i wlp22s0 -o enp20s0 -m state --state RELATED,ESTABLISHED -j ACCEPT
sudo iptables -A FORWARD -i enp20s0 -o wlp22s0 -j ACCEPT

execute on computer

sudo ip route add default via 192.168.50.1 dev eno1
echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf

Test Internet in computer

ping 8.8.8.8 -c 3
ping google.com -c 3

 

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