RK3566板子接通信模组没法ping通百度

wx_ovoxih · July 19, 2022, 9:52am

Hi:
rk3566外设usb接口接着通信模组，ifconfig看可以枚举出网卡，DNS通过setprop net.eth1.dns命令进行了设置，但是依旧没法通ping通百度，这个设置
DNS具体怎么设置？

Firefly_Javier · July 19, 2022, 10:49am

不对吧，通信模组，那不应该设置eth1网卡吧

wx_ovoxih · July 20, 2022, 1:00am

Firefly_Javier 发表于 2022-7-19 18:49
不对吧，通信模组，那不应该设置eth1网卡吧

是这个网卡，这个可以确定。

luwy · July 20, 2022, 1:44am

ifconfig -a看一下

firefly_zhongw · July 20, 2022, 3:16am

本帖最后由 firefly_zhongw 于 2022-7-20 11:20 编辑

android系统，如果手动关闭eth0，接上USB以太网开启eth1的话，要让eth1能够连外网，需要在板子的/vendor/build.prop里添加如下属性：
ro.net.eth_primary=eth1

或者修改SDK源码，重新编译固件

diff --git a/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk b/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk
index 963dce12154..e05701e3e3a 100644
--- a/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk
+++ b/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk
@@ -45,6 +45,7 @@ PRODUCT_PROPERTY_OVERRIDES += vendor.hwc.device.primary=HDMI-A
 PRODUCT_PROPERTY_OVERRIDES += ro.sf.lcd_density=280
 PRODUCT_PROPERTY_OVERRIDES += ro.wifi.sleep.power.down=true
 PRODUCT_PROPERTY_OVERRIDES += persist.usb.mode=otg
+PRODUCT_PROPERTY_OVERRIDES += ro.net.eth_primary=eth1

 PRODUCT_COPY_FILES += \
        device/rockchip/rk356x/rk3566_roc_pc/gps/u-blox.conf:system/etc/u-blox.conf