Package Manager : Download Failed, wget returned 4

[hnyman]

@DarkVader

bridged setup where A LAN cable from the ISP Router is connected to a LAN port on the Archer C-60
...
All ping commands return a bad address
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wget returned 4.
* opkg_download: Check your network settings and connectivity.

The typical error is that you have not yet set the gateway and dns parameters in the OpenWrt router to point to the ISP router (192.168.0.1)

(the client PCs connected do get the info via DHCP, but the OpenWrt router itself has the fixed IP 192.168.0.2 and needs those params set manually.)

Described in the "Dumb AP" advice:

• https://openwrt.org/docs/guide-user/network/wifi/dumbap
• Not accessible after disabling DHCP - #5 by hnyman