Laptop as a bridge for Rock64's internet connection
I'll specify the details.

There is a WiFi network with the access point at and the laptop at

Assume the laptop has to act as a router. Following the aforementioned instructions I've created network the the Ethernet interface of the laptop has ip All the commands:

sudo ifconfig eth0 up
sudo ifconfig eth0
echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward
sudo iptables -t nat -A POSTROUTING -o wlan0 -s -j MASQUERADE

Locally, now you can ping both laptop's ips: and The current config is:
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
   link/ether ETH0-MAC brd ff:ff:ff:ff:ff:ff
   inet brd scope global eth0
      valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
   link/ether WLAN0-MAC brd ff:ff:ff:ff:ff:ff
   inet brd scope global wlan0
      valid_lft forever preferred_lft forever

Then I've set the rock64's Ethernet interface using `nmtui`: ip is, gateway is From now I can ping local ip but not the gateway. Checking the laptop's arp table I can't see the MAC of the rock64. Hence, I guess, no packets even sent via the cable.

So, the question is... what to do next?
Linux rock64 4.4.190-1233-rockchip-ayufan-gd3f1be0ed310 #1 SMP Wed Aug 28 08:59:34 UTC 2019 aarch64 GNU/Linux

Messages In This Thread
RE: Laptop as a bridge for Rock64's internet connection - by dmitrymyadzelets - 03-27-2018, 01:23 PM

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