[OpenWrt-Devel] AR9344 Openwrt - LAN and WAN interface link issue

Jo-Philipp Wich jow at openwrt.org
Wed Oct 28 06:51:50 EDT 2015

Hi Afkar,

> The same thing if we connect only WAN cable and check "cat
> /sys/class/net/eth0.1/carrier" and "cat /sys/class/net/eth0.2/carrier"
> both returns "1" . But it should not be like this.

This is expected since both eth0.1 and eth0.2 are actually SoC
connection to the external switch ICs CPU port, those PCB traces are
always connected.

In order to get the link state for single ports on the external switch,
use the swconfig command.

~ Jow
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